Publications by authors named "Hasan Yüksel"

132 Publications

Maternal psychiatric status and infant wheezing: The role of maternal hormones and cord blood cytokines.

Pediatr Pulmonol 2021 Feb 15. Epub 2021 Feb 15.

Department of Pediatric Allergy and Pulmonology, Celal Bayar University Medical Faculty, Manisa, Turkey.

Rationale: Maternal psychosocial stress might be associated with development of allergic diseases in the offspring.

Objectives: To evaluate the association of maternal depression and anxiety with ever wheezing and recurrent wheezing among infants and to assess the role of maternal hypothalamo-pituatary-adrenal axis changes and fetal immune response in this association.

Methods: This study encompasses two designs; cohort design was developed to evaluate the association of prenatal depression with development of wheezing in infants while nested case-control design was used to assess the role of maternal cortisol and tetranectin and cord blood interleukin 13 and interferon γ.

Results: We enrolled 697 pregnant women. Elementary school graduate mother (odds ratio [OR] = 1.5, p = .06), maternal smoking during pregnancy (OR = 3.4, p = .001), familial history of asthma (OR = 2.7, p < .001) increased the risk of ever wheezing. Elementary school graduate mother (OR = 2.6, p = .002), maternal smoking during pregnancy (OR = 4.8, p < .001) and familial history of asthma (OR = 1.7, p = .01) increased the risk of recurrent wheezing. Maternal previous psychiatric disease, or Edinburgh Postnatal Depression Scale or Spielberger State-Trait Anxiety Inventory scores were not associated with wheezing. Maternal tetranectin levels were significantly higher among never wheezers compared to the ever wheezers (264.3 ± 274.8 vs. 201.6 ± 299.7, p = .04).

Conclusions: In conclusion, the major risk factors for ever wheezing and recurrent wheezing were maternal smoking, level of education and family history of asthma. However, maternal depression and anxiety were not determined as risk factors for wheezing. Maternal tetranectin carries potential as a biomarker for wheezing in the infant.
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http://dx.doi.org/10.1002/ppul.25302DOI Listing
February 2021

Awareness and intervention approaches related to smoking addiction among child and adolescent psychiatrists.

Turk Pediatri Ars 2020 16;55(4):401-408. Epub 2020 Dec 16.

Division of Respiratory Diseases and Allergy, Department of Child and Adolescent Psychiatry, Manisa Celal Bayar University Faculty of Medicine, Manisa, Turkey.

Aim: To determine the attitudes of child and adolescent psychiatrists working in different institutions throughout Turkey towards smoking addiction and intervention steps.

Material And Methods: An information form assessing physicians' 5As approach was established considering the studies included in the literature, and this form was applied to physicians working in the area of child psychiatry by way of e-mail and phone.

Results: Although most physicians (52.5%) asked about smoking status, which is included in the first step in the 5As approach used in smoking cessation, it was observed that they implemented further steps of the 5As with gradually decreasing rates in our study. Only 15% of the physicians performed follow-up in smoking cessation treatment.

Conclusion: Physicians who work with pediatric and adolescent patients in Turkey have low levels of awareness about smoking addiction and they do not feel competent. Considering that tobacco and related addictions are gradually increasing in children and adolescents, physicians must receive training in the area of smoking cessation methods and start practicing these methods. It was thought that organizing smoking cessation training for physicians would contribute positively to the treatment of patients.
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http://dx.doi.org/10.14744/TurkPediatriArs.2020.04657DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7750342PMC
December 2020

Significant Changes in Trans-Epithelial Barrier Proteins of Adenoid Tissue with Atopic Status in Children.

Turk Thorac J 2020 Jul;21(4):242-247

Department of Pediatric Allergy and Pulmonology, Celal Bayar University School of Medicine, Manisa, Turkey.

Objectives: Adenoid tissue is important in local immune response and epithelial barrier dysfunction of this tissue may contribute to allergies. The aim of this study was to evaluate the relationship between the status of cross-epithelial barrier elements in adenoid tissue lymphoepithelium and inhalant allergen sensitization.

Materials And Methods: Children aged 5-15 years, who underwent adenotonsillectomy, participated in this study. All subjects underwent skin prick testing with environmental inhalant allergens. Occludin, ZO1, e-cadherin, β-catenin, desmoglein, desmoplakin, and connexon-43 were stained immunohistochemically in the adenoid tissues obtained and scored by H-score.

Results: We enrolled 76 children, 14 among whom were sensitized to environmental allergens. Among the zonula occludens proteins, median H-scores for occludin, claudin, and ZO-1 were significantly lower in the atopic compared to the nonatopic group respectively (p<0.001). Similarly, median H-scores for e-cadherin and β catenin proteins of the zonula adherens were significantly lower in the atopic group (p<0.001). Both desmoglein and desmoplakin H-scores were significantly lower in the atopic group [60 (50-100) vs 280 (260-300), p<0.001 and 105 (87.5-120) vs 280 (67.25-300), p<0.001 respectively]. Moreover, connexin-43 protein of the gap junction was significantly lower in the atopic group (p<0.001).

Conclusion: Adenoid tissue, which is the initial point of contact of inhalant allergens demonstrates epithelial barrier junctional protein, changes in children with inhalant allergen sensitization without clinical allergic disease symptoms. Therefore, it may be concluded that epithelial barrier function plays an important role in the development of allergen sensitization versus tolerance.
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http://dx.doi.org/10.5152/TurkThoracJ.2019.18207DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7371392PMC
July 2020

Patients eligible for modulator drugs: Data from cystic fibrosis registry of Turkey.

Pediatr Pulmonol 2020 09 26;55(9):2302-2306. Epub 2020 May 26.

Division of Pediatric Pulmonology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.

Background: A better understanding of cystic fibrosis transmembrane conductance regulator biology has led to the development of modulator drugs such as ivacaftor, lumacaftor-ivacaftor, tezacaftor-ivacaftor, and elexacaftor-tezacaftor-ivacaftor. This cross-sectional study evaluated cystic fibrosis (CF) patients eligible for modulator drugs.

Methods: Data for age and genetic mutations from the Cystic Fibrosis Registry of Turkey collected in 2018 were used to find out the number of patients who are eligible for modulator therapy.

Results: Of registered 1488 CF patients, genetic analysis was done for 1351. The numbers and percentages of patients and names of the drugs, that the patients are eligible for, are as follows: 122 (9.03%) for ivacaftor, 156 (11.54%) for lumacaftor-ivacaftor, 163 (11.23%) for tezacaftor-ivacaftor, and 57 (4.21%) for elexacaftor-tezacaftor-ivacaftor. Among 1351 genotyped patients total of 313 (23.16%) patients are eligible for currently licensed modulator therapies (55 patients were shared by ivacaftor and tezacaftor-ivacaftor, 108 patients were shared by lumacaftor-ivacaftor and tezacaftor-ivacaftor, and 22 patients were shared by tezacaftor-ivacaftor and elexacaftor-tezacaftor-ivacaftor groups).

Conclusions: The present study shows that approximately one-fourth of the registered CF patients in Turkey are eligible for modulator drugs. As, frequent mutations that CF patients have in Turkey are different from North American and European CF patients, developing modulator drugs effective for those mutations is necessary. Furthermore, as modulator drugs are very expensive currently, financial support of the government in developing countries like Turkey is noteworthy.
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http://dx.doi.org/10.1002/ppul.24854DOI Listing
September 2020

Clinical features and accompanying findings of Pseudo-Bartter Syndrome in cystic fibrosis.

Pediatr Pulmonol 2020 08 4;55(8):2011-2016. Epub 2020 May 4.

Department of Pediatric Pulmonology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.

Background: Pseudo-Bartter syndrome (PBS) is a rare complication of cystic fibrosis (CF) and there are limited data in the literature about it. We aimed to compare clinical features and accompanying findings of patients with PBS in a large patient population.

Methods: The data were collected from the Cystic Fibrosis Registry of Turkey where 1170 CF patients were recorded in 2017. Clinical features, diagnostic test results, colonization status, complications, and genetic test results were compared in patients with and without PBS.

Results: Totally 1170 patients were recorded into the registry in 2017 and 120 (10%) of them had PBS. The mean age of diagnosis and current age of patients were significantly younger and newborn screening positivity was lower in patients with PBS (P < .001). There were no differences between the groups in terms of colonization status, mean z-scores of weight, height, BMI, and mean FEV percentage. Types of genetic mutations did not differ between the two groups. Accompanying complications were more frequent in patients without PBS.

Conclusion: PBS was detected as the most common complication in the registry. It could be due to warm weather conditions of our country. It is usually seen in younger ages regardless of mutation phenotype and it could be a clue for early diagnosis of CF.
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http://dx.doi.org/10.1002/ppul.24805DOI Listing
August 2020

An assessment of the protective effect of gonadotropin-releasing hormone agonist and antagonist on bleomycin-induced ovarian toxicity in rats.

Gynecol Endocrinol 2021 Jan 14;37(1):46-50. Epub 2020 Apr 14.

Department of Medical Pharmacology, Faculty of Medicine, Adnan Menderes University, Aydın, Turkey.

The aim of this study is to evaluate the effect of GnRH agonist or GnRH antagonist therapy on bleomycin-administered rats by examining ovarian follicle counts and AMH levels. A total of 30 female Wistar albino rats aged 4-6 months were randomly divided into 4 groups. First, an intramuscular injection of bleomycin (30 mg/m) was administered to all except the control group on the 1st, 8th and 15th days. The control group (Group I) was administered 0.1 mL intramuscular saline on those days. The bleomycin group (Group II) was followed up without any further treatment. The bleomycin + GnRH agonist group (Group III) was administered subcutaneous GnRH agonist triptorelin (1 mg/kg) at the same time as the bleomycin injections. The bleomycin + GnRH antagonist group (Group IV) was administered 1 mg/kg cetrorelix acetate subcutaneously, concurrently with the bleomycin. Although AMH levels were lower in the bleomycin group than in all the other groups, there was no statistically significant difference between the groups in terms of AMH levels ( > .05). In the bleomycin + cetrorelix acetate and bleomycin + triptorelin groups, significantly higher primordial, secondary and tertiary follicle counts were determined compared to the bleomycin group ( < .001). In conclusion the harmful effects of bleomycin on ovarian reserve can be reduced by the simultaneous administration of GnRH agonist or GnRH antagonist.
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http://dx.doi.org/10.1080/09513590.2020.1753033DOI Listing
January 2021

Cystic fibrosis in Turkey: First data from the national registry.

Pediatr Pulmonol 2020 02 11;55(2):541-548. Epub 2019 Nov 11.

Division of Pediatric Pulmonology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.

Background: Cystic fibrosis (CF) care has been implemented in Turkey for a long time; however, there had been no patient registry. For this purpose, the Turkish National CF Registry was established. We present the first results of registry using data collected in 2017.

Methods: The data were collected using a data-entry software system, which was accessed from the internet. Demographic and annually recorded data consisted of 15 and 79 variables, respectively.

Results: There were 1170 patients registered from 23 centers; the estimated coverage rate was 30%. The median age at diagnosis was 1.7 years (median current age: 7.3 years); 51 (4.6%) patients were aged over 18 years. Among 293 patients who were under 3 years of age, 240 patients (81.9%) were diagnosed through newborn screening. Meconium ileus was detected in 65 (5.5%) patients. Genotyping was performed in 978 (87.4%) patients and 246 (25.2%) patients' mutations were unidentified. The most common mutation was deltaF508 with an allelic frequency of 28%, followed by N1303K (4.9%). The median FEV1% predicted was 86. Chronic colonization with Pseudomonas aeruginosa was seen in 245 patients. The most common complication was pseudo-Bartter syndrome in 120 patients. The median age of death was 13.5 years in a total of 15 patients.

Conclusions: Low coverage rate, lack of genotyping, unidentified mutations, and missing data of lung functions are some of our greatest challenges. Including data of all centers and reducing missing data will provide more accurate data and help to improve the CF care in Turkey in the future.
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http://dx.doi.org/10.1002/ppul.24561DOI Listing
February 2020

Comparison of de novo urinary incontinence after abdominal and vaginal hysterectomy.

Ann Ital Chir 2019 ;90:328-243

Aim: This study aimed to compare the frequency and risk factors of de novo urinary incontinence (UI) following abdominal and vaginal hysterectomies for benign disease.

Methods: The study included patients without incontinence history who underwent abdominal or vaginal hysterectomy for benign indications. Incontinence statuses were assessed at least one year after hysterectomies. Data for age, body mass index (BMI), parity, mode of delivery, and the types of hysterectomy and postoperative UI were recorded.

Results: The study included a total of 196 patients with mean age of 52.8±11.4 years. Of these, 149 (76%) underwent abdominal hysterectomy (AH) and 47 (24%) had vaginal hysterectomy (VH). The mean follow-up period was 1.97±1.43 years. A total of 41 (20.9%) patients were diagnosed with UI after hysterectomy. De novo UI occurrence following AH and VH was similar(p>0.05). Also, UI types were not significantly found different in either group (p>0.05).

Conclusion: This study showed that de novo UI occured frequently after hysterectomies. In addition, development and types of UI following AH and VH were comparable.

Key Words: Abdominal hysterectomy, Urinary incontinence, Vaginal hysterectomy.
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February 2020

Common Methylenetetrahydrofolate Reductase Polymorphisms (A1298C & C677T) in Ectopic Trophoblasts and Methotrexate Treatment Failure in Tubal Pregnancies.

Ginekol Pol 2018 ;89(10):536-540

Department of Obstetrics and Gynecology, Adnan Menderes University Hospital, Aytepe, 09100 Aydin, Turkey.

Objectives: The success rate of methotrexate (MTX) therapy varies among tubal ectopic pregnancies. Common methylenetetrahydrofolate reductase (MTHFR) polymorphisms (C677T&A1298C) have been suggested to alter MTX effect. This study aimed to assess and compare MTX treatment failure rates with respect to MTHFR polymorphisms in trophoblasts of ectopic tubal pregnancies.

Material And Methods: A retrospective chart review of tubal ectopic pregnancies was conducted and 34 eligible cases were found. Paraffinized blocks of ectopic trophoblastic tissues were retrieved from the archives of pathology department. Common MTHFR polymorphisms were studied on microdissected trophoblastic tissues. Sixteen cases with history of failed MTX therapy (study group) and 18 control cases were compared for their pertinent clinical characteristics and common MTHFR polymorphisms (C677T&A1298) data.

Results: In the study group, there were 8 (50%) C677T single nucleotide polymorphisms (SNP) and 9 (56.7%) A1298C SNP. Polymorphism rates were not found to be different between two groups for neither polymorphism (p > 0.05 for both). Number of compound heterozygotes was 3 (18.7%) in study group and 5 (27.7%) in controls (p = 0.693). In addition, MTHFR polymorphism presence seemed to have no effect on interval serum β-hCG concentration change in MTX-fail group (p=0.693).

Conclusions: Our data implied that common MTHFR polymorphisms of ectopic trophoblastic tissue are not associated with MTX failure in patients with tubal pregnancies. Additionally, serum β-hCG concentration changes caused by MTX treatment and studied MTHFR polymorphisms are likely independent.
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http://dx.doi.org/10.5603/GP.a2018.0091DOI Listing
April 2019

Second trimester maternal serum-amniotic fluid nitric oxide and vascular endothelial growth factor levels in relation to uterine artery Doppler indices in pregnancies with normal outcome.

J Obstet Gynaecol 2018 Nov 8;38(8):1088-1092. Epub 2018 Jun 8.

a Department of Obstetrics and Gynaecology , Adnan Menderes University Hospital , Aydin , Turkey.

The aim of the present study was to explore the possible relations of maternal serum and amniotic fluid nitric oxide (NO) and of vascular endothelial growth factor A (VEGF-A) concentrations with uterine artery Doppler indices (UtADs) in a healthy second trimester obstetric population. In this regard, the levels of NO and VEGF-A were measured in maternal sera and the amniotic fluid samples were in 36 subjects who were in their early second trimester of pregnancy. The mean levels for VEGF-A were 110.3 ± 31.5 pg/ml in maternal serum and 149.6 ± 31.3 pg/ml in amniotic fluid. Mean levels for NO were 5.7 ± 4.7 µmol in maternal serum and 12.9 ± 3.4 µmol in amniotic fluid. UtADs were measured concurrently with the sample collections. The mean value for uterine artery pulsatility index (PI) was 1.3 ± 0.4. The measurements were then analysed for possible correlations, whereby no correlation was found between UtAD and maternal serum levels of either molecule (p = .828 and p = .662 for VEGF-A and NO, respectively). However, a positive correlation was found between the NO levels in the amniotic fluid compartment and UtAD (r = 0.432, p = .009 for PI). Therefore, a correlation of UtAD with amniotic fluid NO can be expected in pregnancies with a normal outcome. Impact Statement What is already known on this subject? Nitric oxide (NO) and vascular endothelial growth factor A (VEGF-A) are important vasoactive molecules that play significant roles in early angiogenesis and placentation. What the results of this study add? There is a positive correlation between the amniotic fluid NO levels and the uterine artery Doppler indices (UtADs) in the second trimester of pregnancies with normal outcomes. What the implications are of these findings for clinical practice and/or future research? A correlation between amniotic fluid NO levels and UtAD may indicate a normal trophoblastic invasion. Disturbance of this balance may be expected in certain adverse pregnancy outcomes. Additional studies are needed to further explore the molecular signs of early abnormal placentation and their clinical reflection.
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http://dx.doi.org/10.1080/01443615.2018.1454409DOI Listing
November 2018

Does having an asthmatic sibling affect the quality of life in children?

Turk J Pediatr 2017 ;59(3):274-280

Division of Pediatric Allergy and Immunogy, Celal Bayar University, Manisa, Turkey.

Yılmaz Ö, Türkeli A, Karaca Ö, Yüksel H. Does having an asthmatic sibling affect the quality of life in children? Turk J Pediatr 2017; 59: 274-280. Chronic illness in a family member leads to deterioration of quality of life in other members of that family. We aimed to investigate the influence of having an asthmatic sibling on a child`s quality of life (QoL). We enrolled 2-12 year aged healthy children with an asthmatic sibling in the study group and healthy children with a healthy sibling in the control group of this cross-sectional study. Sociodemographic characteristics of children and disease severity characteristics of asthmatic siblings were recorded. All parents filled in Turkish generic PedsQLTM short form appropriate for the child`s age group. Study and control groups had 114 children each. Total PedsQLTM scores were not significantly different in any of the age groups (p=0.23, p=0.13, p= 0.11 respectively). Emotional PedsQLTM sub-scores in children with an asthmatic sibling were significantly worse (83.0±16.5 vs 91.6±10.9 in the 2-4 year age group, 72.0±17.8 vs 92.2±11.6 in the 5-7 year age group, 73.7±24.1 vs 88.7±14.8 in the 8-12 year age group respectively, p≤0.002 for all). Similarly, psychosocial sub-score was significantly lower in the 2-4 and 5-7-year-olds but not the 8-12 year old groups (p=0.01, p=0.01, p=0.08 respectively). In conclusion, healthy children with asthmatic siblings have significantly lower emotional QoL and this needs to investigated for other chronic diseases in further research.
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http://dx.doi.org/10.24953/turkjped.2017.03.007DOI Listing
December 2018

Safety of subcutaneous allergen immunotherapy in children: A retrospective review and bird eye to literature.

Turk J Pediatr 2018 ;60(6):684-690

Division of Pediatric Allergy and Pulmonology, Celal Bayar University Faculty of Medicine, Manisa, Turkey.

Toprak-Kanık E, Yılmaz Ö, Yangın-Ergon E, Türkeli A, Yüksel H. Safety of subcutaneous allergen immunotherapy in children: A retrospective review and bird eye to literature. Turk J Pediatr 2018; 60: 684-690. Subcutaneous allergen immunotherapy (SCIT) has been shown to improve clinical course in children with asthma and allergic rhinitis (AR). Systemic and local side-effects may be seen during its administration. The purpose of this study was to evaluate risk factors associated with systemic and local side-effects in children receiving SCIT. We performed a retrospective chart review in the children who received allergen subcutaneous immunotherapy for asthma and/or allergen rhinitis. Demographic data, diagnosis, skin prick test results, presence of additional allergic diseases, the seasonal variation of adverse events in the first and third years of SCIT were recorded. A total of 508 eligible patients were included in the study. Mean age of the children was 10.9±3.2 years, and 65.4% were male. Asthma was present in 21.9% of the children, AR in 44.7%, 33.5% of them had both asthma and AR. According to the skin prick test results, sensitivity to more than one allergen was present in 45.1%, while the most common single-allergen sensitivities were to grass pollen and dermatophagoids (32.5% and 14.4%, respectively). Ratio of systemic and local side-effects was 4.7% and 9.3%, respectively. Local side-effects were more common than systemic reaction. SCIT is a safe treatment modality while using the appropriate dose and with the administration of dose-escalation protocol.
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http://dx.doi.org/10.24953/turkjped.2018.06.009DOI Listing
January 2018

Percutaneous embolization of congenital portosystemic venous shunt in an infant with respiratory distress.

Turk J Pediatr 2018 ;60(4):456-459

Division of Pediatric Cardiology, Celal Bayar University, School of Medicine, Manisa, Turkey.

Alkan F, Düzgün F, Yüksel H, Tarhan S, Coşkun Ş. Percutaneous embolization of congenital portosystemic venous shunt in an infant with respiratory distress. Turk J Pediatr 2018; 60: 456-459. A 5-month-old boy with progressive respiratory distress was admitted to our hospital. Physical examination revealed mild tachypnea and retraction. The left main bronchus was found as severely collapsed between the right pulmonary artery and the descending aorta, on the bronchoscopic evaluation. Further evaluation revealed persistent ductus venosus (PDV). As in the fetal period the ductus venosus arises from the posterior aspect of the left portal vein, a PDV is considered another type of intrahepatic portosystemic shunt. Therefore, he was diagnosed with congenital portosystemic venous shunt, leading to persistent respiratory distress. The PDV was closed with Amplatzer vascular plug II, and then he had immediate clinical improvement. Congenital portosystemic venous shunts (CPSS) are rare vascular malformations associated with severe complications. Here we presented a case with progressive respiratory distress as a result of CPSS and rapid improvement after embolization.
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http://dx.doi.org/10.24953/turkjped.2018.04.019DOI Listing
May 2019

Airway epithelial barrier dysfunction in the pathogenesis and prognosis of respiratory tract diseases in childhood and adulthood.

Tissue Barriers 2017 10 8;5(4):e1367458. Epub 2017 Sep 8.

a Department of Pediatric Allergy and Pulmonology , Celal Bayar University Medical Faculty , Manisa , Turkey.

The lungs are in direct contact with the environment through the tubular structure that constitutes the airway. Starting from the nasal orifice, the airway is exposed to foreign particles including infectious agents, allergens, and other substances that can damage the airways. Therefore, the airway must have a functional epithelial barrier both in the upper and lower airways to protect against these threats. As with the skin, it is likely that the pathogenesis of respiratory diseases is a consequence of epithelial barrier defects in these airways. The characteristics of this system, starting from the beginning of life and extending into maturing and aging, determine the prognosis of respiratory diseases. In this article, we discuss the pathogenesis, clinical phenotype, and prognosis of respiratory diseases from newborns to adulthood in the context of epithelial barrier function and dysfunction.
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http://dx.doi.org/10.1080/21688370.2017.1367458DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5788424PMC
October 2017

Secondhand tobacco smoke and severity in wheezing children: Nasal oxidant stress and inflammation.

J Asthma 2018 05 7;55(5):477-482. Epub 2017 Sep 7.

a Department of Pediatric Allergy and Pulmonology , Celal Bayar University Medical Faculty , Manisa , Turkey.

Objectives: Prenatal and postnatal smoke exposures are associated with many lung diseases in children due to impaired lung function, increased inflammation, and oxidative stress. We aimed to determine the influence of secondhand tobacco smoke exposure on the levels of nasal glutathione, IL-8, IL-17, MMP-9, and TIMP-1, as well as serum surfactant protein-D (SP-D) in wheezy children.

Methods: We enrolled 150 children with recurrent wheezing and recorded wheezing characteristics at enrollment. We measured the levels of serum cotinine, SP-D, nasal glutathione, IL-8, IL-17, MMP-9, and TIMP-1. Serum cotinine levels between 3 and 12 ng/mL, and above 12 ng/mL were defined as lower and higher level secondhand tobacco smoke exposure, respectively. The ANOVA test, Pearson's correlation analysis and multivariate analysis with a linear regression test were used for the statistical analysis.

Results: Ninety-one children had been exposed to lower level secondhand tobacco smoke, while 24 children were exposed to higher level secondhand tobacco smoke. Thirty-five children were not exposed to cigarette smoke. Wheezing symptom scores were higher in exposed children (p = 0.03). Levels of other biomarkers showed no significant difference.

Conclusions: Secondhand tobacco smoke exposure is associated with more severe respiratory symptoms in wheezing children. However, levels of nasal or serum inflammatory markers fail to explain this association, either because of different mechanical factors in the process or due to low levels of the biomarkers especially in nasal secretions.
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http://dx.doi.org/10.1080/02770903.2017.1350970DOI Listing
May 2018

The role of human epididymis secretory protein E4 in patients with endometrial cancer and premalignant endometrial lesions.

J Obstet Gynaecol 2017 Jan 22;37(1):58-63. Epub 2016 Dec 22.

a Department of Gynecology & Obstetrics , Selçuk University Faculty of Medicine , Konya , Turkey.

We evaluated the concentrations of human epididymis secretory protein E4 (HE4) and Ca-125 in relation to clinicopathologic features in patients with endometrial cancer and premalignant endometrial lesions. Women with abnormal uterine bleeding (n = 167) who underwent endometrial sampling were divided into four groups. Group 1: endometrial cancer (n = 68), group 2: atypical endometrial hyperplasia (n = 12), group 3: endometrial hyperplasia without atypia (n = 39) and group 4: controls (n = 48). Women with endometrial cancer exhibited higher concentrations of HE4 levels than controls (91.4 pmol/L vs. 46.2 pmol/L, p < 0.001). HE4 levels were significantly higher in patients with lymphatic involvement, deep myometrial invasion, lymphovascular space involvement and non-endometrioid histology (p < 0.001). The sensitivity, specificity, positive and negative predictive values for HE4 in detecting endometrial cancer were 72.7%, 84.4%, 80% and 78.4%, respectively. Preoperative HE4 levels are more elevated in women with endometrial cancer than those with benign endometrium as well as in women with prognostic high-risk factors with endometrial cancer. HE4 may be used as an additional marker in combination with other clinicopathologic features for planning the treatment.
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http://dx.doi.org/10.3109/01443615.2016.1174199DOI Listing
January 2017

Effects of low-dose propofol vs ketamine on emergence cough in children undergoing flexible bronchoscopy with sevoflurane-remifentanil anesthesia: a randomized, double-blind, placebo-controlled trial.

J Clin Anesth 2016 Dec 9;35:90-95. Epub 2016 Aug 9.

Department of Anaesthesiology and Reanimation, University of Celal Bayar, Manisa, Turkey.

Study Objective: To determine the effects of low-dose ketamine and propofol on cough during emergence and the recovery period when administered at emergence in children undergoing fiberoptic bronchoscopy for bronchoalveolar lavage (FOBL) with sevoflurane-remifentanil anesthesia.

Design: Randomized, double-blind, placebo-controlled trial.

Setting: Operating room, postoperative recovery area.

Patients: Sixty-eight children aged 1 to 8 years old undergoing elective diagnostic FOBL.

Interventions: After discontinuation of anesthetics at the end of FOBL, patients were randomly divided into 3 groups: in group K, children were administered 0.5 mg/kg of ketamine; in group P, 0.5 mg/kg of propofol; and in group C, 0.1 mL/kg of normal saline.

Measurements: Anesthesia time, procedure time, emergence time, and recovery time were recorded. Coughing and delirium scores were recorded as the patient fully emerged from anesthesia (time 0) and 5, 10, 15, and 20 minutes later.

Main Results: The percentage of children with moderate or severe cough during emergence was similar in all groups. Mean delirium scores at emergence (T0) were significantly lower in group K than those in group P and in group C (P = .0001 and P = .02). Mean delirium score at 5 minutes in group K (6 [5-10]) was significantly lower than that of group C (P = .02) and similar to that of group P. The recovery time of group K was significantly longer than that of group C and group P (P = .01 and P = .03, respectively).

Conclusions: Ketamine or propofol given at the end of sevoflurane-remifentanil general anesthesia in children undergoing FOBL did not decrease cough more than normal saline during the emergence period. Ketamine and propofol, compared to normal saline, had a beneficial effect on decreasing the incidence of emergence delirium. Ketamine lengthened recovery time.
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http://dx.doi.org/10.1016/j.jclinane.2016.06.025DOI Listing
December 2016

Correlation between maternal serum-amniotic fluid anti-angiogenic factors and uterine artery Doppler indices.

J Matern Fetal Neonatal Med 2017 Nov 28;30(22):2653-2657. Epub 2016 Nov 28.

a Department of Obstetrics and Gynecology , Adnan Menderes University Hospital , Aydin , Turkey.

Purpose: Elevated sFlt-1 and sEng is usually a clue for impending preeclampsia and intrauterine growth restriction. Likewise, uterine artery Doppler ultrasound is being investigated for prediction of similar conditions. In this study, we aimed to explore the possible relations of these two proteins in different body compartments with uterine artery Doppler indices (UtAD) in a healthy second trimester obstetric population.

Methods: Levels of sFlt-1 and sEng were measured in serum and amniotic fluid samples of 43 patients. UtAD were measured on the days of sample collections. Findings were then analyzed for possible correlation.

Results: There was a positive correlation between the levels of maternal serum sFlt-1 (MSsFlt-1) and sEng levels (MSsEng) (r= 0.516, p< 0.001). The negative correlation between MSsFlt-1 and UtAD was disappeared after elimination of poor obstetric outcome pregnancies (r= -0.371, p= 0.016). No correlation was found between UtAD and studied protein levels in amniotic fluid. Mean MSsFlt-1 level was 305.2 ± 220.1 pg/ml and mean AFsFlt-1 was 48.9 ± 11.8 ng/ml. Mean MSsEng level was 4.5 ± 1.3 ng/ml, mean AFsEng level was found 0.7 ± 0.3 ng/ml. Mean values for UtAD were 1.3 ± 0.4, 0.6 ± 0.1 and 3.5 ± 1.3 for PI, RI, and S/D, respectively.

Conclusion: In normal second trimester pregnancies, there is a positive correlation between serum levels of sFlt-1 and sEng levels. Amniotic fluid levels of sEng and sFlt-1 are not correlated with UtAD in uncomplicated pregnancies.
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http://dx.doi.org/10.1080/14767058.2016.1260542DOI Listing
November 2017

Metered dose inhaler-spacer use education effects on achieve asthma control in children.

Tuberk Toraks 2016 Jun;64(2):105-11

Department of Pediatric Allergy and Pulmonology, Faculty of Medicine, Celal Bayar University, Manisa, Turkey.

Introduction: Improper Metered Dose Inhaler (MDI)-spacer use technique can result in less than optimal delivery of medicine to the lungs and poor asthma outcomes. The aim of this study was to evaluate the influence of standardized education on proper MDI- spacer use and asthma control in children with asthma and to identify the factors associated with these results.

Materials And Methods: This is a cohort study that evaluated the influence of standardized education about MDI-Spacer device use on asthma control in children. Asthmatic children using MDI-Spacer device and their parents were enrolled in this study. Children were followed up for two months after standardized education and the change in asthma control was recorded.

Result: Thirty eight children (14 females and 24 males) aged between 2.5 and 13 years were enrolled in the study. Mean age of the children was 7.5 ± 2.8 years. Six patients were lost to follow up and thirty two patients completed the study. Mean inhalation technique score was 4.9 ± 1.3 before education and increased significantly to 7.8 ± 0.4 after education (p< 0.001). Mean Asthma Control Questionnaire (ACQ) score decreased significantly with education (0.77 ± 0.9 vs 0.1 ± 0.1 respectively, p< 0.001). Similarly, mean asthma symptom score (ASS) decreased significantly from 4.3 ± 3.6 to 0.2 ± 0.7 with education (p< 0.001). Most common mistake in use of MDI-Spacer device use was detected to be lack of mouth rinsing after use before education in 78.9% of the patients.

Conclusions: Providing standardized education about MDI-Spacer device use to children and parents leads to correct MDI-Spacer device use and is associated with improvement in asthma symptom score and asthma control.
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http://dx.doi.org/10.5578/tt.9142DOI Listing
June 2016

Official American Thoracic Society Clinical Practice Guidelines: Diagnostic Evaluation of Infants with Recurrent or Persistent Wheezing.

Am J Respir Crit Care Med 2016 08;194(3):356-73

Background: Infantile wheezing is a common problem, but there are no guidelines for the evaluation of infants with recurrent or persistent wheezing that is not relieved or prevented by standard therapies.

Methods: An American Thoracic Society-sanctioned guideline development committee selected clinical questions related to uncertainties or controversies in the diagnostic evaluation of wheezing infants. Members of the committee conducted pragmatic evidence syntheses, which followed the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) approach. The evidence syntheses were used to inform the formulation and grading of recommendations.

Results: The pragmatic evidence syntheses identified few studies that addressed the clinical questions. The studies that were identified constituted very low-quality evidence, consisting almost exclusively of case series with risk of selection bias, indirect patient populations, and imprecise estimates. The committee made conditional recommendations to perform bronchoscopic airway survey, bronchoalveolar lavage, esophageal pH monitoring, and a swallowing study. It also made conditional recommendations against empiric food avoidance, upper gastrointestinal radiography, and gastrointestinal scintigraphy. Finally, the committee recommended additional research about the roles of infant pulmonary function testing and food avoidance or dietary changes, based on allergy testing.

Conclusions: Although infantile wheezing is common, there is a paucity of evidence to guide clinicians in selecting diagnostic tests for recurrent or persistent wheezing. Our committee made several conditional recommendations to guide clinicians; however, additional research that measures clinical outcomes is needed to improve our confidence in the effects of various diagnostic interventions and to allow advice to be provided with greater confidence.
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http://dx.doi.org/10.1164/rccm.201604-0694STDOI Listing
August 2016

The Effect of Flexible Bronchoscopy on Anxiety in Children.

Turk Thorac J 2016 Jul 1;17(3):100-104. Epub 2016 Jul 1.

Department of Pediatric Allergy and Respiratory, Celal Bayar University Faculty of Medicine, Manisa, Turkey.

Objectives: Flexible bronchoscopy (FB) is a semi-invasive diagnostic tool that allows direct visualization of the airways. The use for diagnostic and therapeutic purposes in children is incrasing with the developments in modern anesthesia. Irrespective of the type of the invasive diagnostic procedure, these interventions are known to cause anxiety in patients. The aim of our study was to evaluate the anxiety and depression status in children hospitalized for bronchoscopy and to investigate the effects of FB.

Material And Methods: Thirty children hospitalized for FB and 30 controls, aged 7 to 16 years, were enrolled in this study. Anxiety was evaluated with the "Hospital anxiety and depression scale" (HADS)" besides other parameters recorded.

Results: The mean HADS anxiety scores in the patient and control groups were respectively 10.1 (3.5) and 2.7 (1.3) (p= 0.001). The mean HADS depression scores were respectively 8.8 (3.7) and 2.2 (1.1) (p= 0.001). Among the patients, 50% had anxiety and 53.3% had findings while none in the control group showed signs of anxiety and depression. A positive correlation was found between the age and, anxiety and depression scores in patients' groups (respectively r= 0.257; p= 0.05 and r= 0.288; p= 0.02).

Conclusion: Anxiety was demonstrated in nearly half of the children hospitalized for bronchoscopy. It has been observed that behavioral and physical problems may be encountered in approximately 40-60% of children who feel generalized anxiety before anesthesia, during the preoperative, postoperative period, and subsequent periods. These results suggest that the detection of children with increased anxiety and indicate the individual requirements can be assisted pharmacological and psychological supports.
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http://dx.doi.org/10.5578/ttj.30504DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5791817PMC
July 2016

Where does current and future pediatric asthma treatment stand? Remodeling and inflammation: Bird's eye view.

Pediatr Pulmonol 2016 12 27;51(12):1422-1429. Epub 2016 May 27.

Department of Pediatric Allergy and Pulmonology, Celal Bayar University Medical Faculty, Manisa, Turkey.

Airway remodeling is the chronic outcome of inflammation in asthma and a point of intervention between pediatric and adult ages. Pediatric asthma has been of great interest in the efforts to find a valuable time to interrupt remodeling. Various experimental and clinical research have assessed the effect of current therapeutic modalities on airway remodeling in asthma and many new agents are being developed with promising results. The heterogeneity in the results of these studies may lie in the heterogeneity of pathogenesis leading to asthma and remodeling; underlying the need for individualized treatment of the unique pathogenetic characteristics of each child's asthma. The aim of this review is to summarize the evidence about the influence of current and future therapeutic modalities in the concept of inflammation and remodeling in pediatric asthma. Pediatr Pulmonol. 2016;51:1422-1429. © 2016 Wiley Periodicals, Inc.
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http://dx.doi.org/10.1002/ppul.23488DOI Listing
December 2016

A novel approach to primary lower uterine segment atony.

Authors:
Hasan Yüksel

Taiwan J Obstet Gynecol 2015 Aug;54(4):452-4

Adnan Menderes University, Faculty of Medicine, Department of Obstetrics and Gynecology, Aydın, Turkey. Electronic address:

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http://dx.doi.org/10.1016/j.tjog.2014.05.010DOI Listing
August 2015

Elevated thrombin activatable fibrinolysis inhibitor levels in women with polycystic ovary syndrome.

Gynecol Endocrinol 2015 Jul 29;31(7):536-9. Epub 2015 Jul 29.

a Department of Gynecology & Obstetrics , Adnan Menderes University, Faculty of Medicine , Aydin , Turkey.

Objective: The aim of the present study was to evaluate plasma concentrations of thrombin activatable fibrinolysis inhibitor (TAFI) in relation with hormonal, metabolic, and hemostatic profile in patients with and without polycystic ovary syndrome (PCOS).

Study Design: A total of 38 women with PCOS and 37 age and body mass index (BMI) matched controls were eligible for the study. Hirsutism scores, hormonal, metabolic, and hemostatic profile as well as TAFI levels were evaluated in each subject.

Results: Women with PCOS exhibited higher plasma concentrations of TAFI levels than controls (107.42 ± 34.77% versus 91.86 ± 23.88%, p = 0.027). TAFI levels were significantly correlated positively with BMI, fasting insulin levels, modified Ferriman Gallwey scores and Homeostasis Model Assessment (HOMA) index, systolic blood pressure, and waist and hip circumferences, whereas negatively correlated with activated partial thromboplastin time (p < 0.05). However, after adjustment for all possible confounding factors, none of the parameters was significantly deterministic on TAFI levels.

Conclusion: The data of the present study suggested that plasma TAFI levels were higher in women with PCOS as compared with healthy age and BMI-matched controls, indicating impaired fibrinolysis. This hypofibrinolytic state may be responsible for the increased cardiovascular disease risk in women with PCOS.
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http://dx.doi.org/10.3109/09513590.2015.1018161DOI Listing
July 2015

Comparison of maternal and umbilical cord blood HIF-1α and nitric oxide levels in early and late onset preeclamptic pregnancies.

Gynecol Endocrinol 2015 14;31(12):945-8. Epub 2015 Jul 14.

d Department of Biostatistics, Faculty of Medicine , Adnan Menderes University , Aydın , Turkey.

Objective: Despite the absence of a complete physiologic-pathologic understanding, common accepted theory for development of preeclampsia is incomplete trophoblastic invasion leading to failed uterine and spiral arteriolar remodeling, causing maternal vascular endothelial dysfunction by secreted molecules in response to decreased placental perfusion, placental hypoxia, and ischemia. Placental angiogenesis is especially ineffective in early onset preeclampsia and fetal morbidity/mortality rates are higher because of further decreased blood flow. In this study, we aim to compare the maternal and umbilical cord blood levels of hypoxia-inducible transcription factor-1α (HIF-1α), which is believed to regulate hypoxia-related transcriptional responses, to play role in activating genes for initial phases of placental development and angiogenesis and a physiologic vasodilator molecule nitric oxide (NO) in normal, early and late onset preeclamptic pregnant women.

Methods: Pregnant women who were diagnosed with preeclampsia (early onset ≤34 weeks; late onset >34 weeks) and delivered in our clinic were enrolled for this prospective case-controlled study. Pregnant women without preeclampsia were recruited as control group. HIF-1α and NO levels in maternal and umbilical cord blood measured and compared among groups.

Findings: A total of 46 cases were enrolled for this study, including 25 preeclamptic (13 in the early onset group and 12 in the late onset group) and 21 normal pregnant women in the control group. Comparison of preeclampsia group to controls revealed higher maternal blood HIF-1α levels in the control group, however higher umbilical cord NO levels in the preeclampsia group (p < 0.05 and p < 0.001, respectively). In a second analysis, when compared to control group, both early and late onset preeclampsia subgroups were found to have higher umbilical cord blood NO levels (p < 0.001).

Results: In this study, we observed lower maternal blood HIF-1α levels and higher umbilical cord NO levels in preeclampsia group than controls. These findings suggest that umbilical cord blood NO levels in pregnant women with preeclampsia increase in response to hypoxia. However, lower HIF-1α levels in preeclampsia group can be due to our limited number of cases and we think that there is a need for further studies with larger sample size.
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http://dx.doi.org/10.3109/09513590.2015.1065483DOI Listing
September 2016

Circulating adropin levels in patients with endometrium cancer.

Gynecol Endocrinol 2015 14;31(9):730-5. Epub 2015 Jul 14.

a Department of Obstetrics and Gynecology, Faculty of Medicine , Adnan Menderes University , Aydin , Turkey .

Aim: Adropin is a recently identified protein in liver, brain and many peripheral tissues, which is important in energy homeostasis. The purpose of this study is to determine adropin levels in patients with endometrium cancer (EC).

Material And Methods: A total of 74 patients (47 EC patients and 27 healthy controls) were included in the study. Fasting venous blood samples were collected from all patients. Serum adropin levels were measured by an enzyme-linked immunosorbent assay (ELISA). The correlations between serum adropin levels and clinicopathologic variables were determined.

Results: In body mass index and age-matched groups of patients, adropin levels were determined lower in patients with EC than control group (p < 0.01). Adropin levels were negatively correlated with age (r = -0.265, p = 0.023), homeostasis model-resistance index (HOMA-IR) (r = -0.294, p = 0.005) and fasting insulin levels (r = -0.292, p = 0.001). It was shown that in receiver operator characteristic (ROC) analysis, at cut-off value ≤ 1.055 (ng/ml), adropin had 92.7% sensitivity, 91.5% specificity and had AUC = 0.948, CI; 0.894-1.000 for diagnosis of EC (p < 0.001).

Conclusion: Adropin seems to be an important protein in pathogenesis of EC. Clearly, there are largely unknown aspects of adropin in EC pathophysiology and require further multi-centered, molecular and genetic studies including high number of cases.
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http://dx.doi.org/10.3109/09513590.2015.1065480DOI Listing
August 2016

Vascular endothelial growth factor antagonism restores epithelial barrier dysfunction via affecting zonula occludens proteins.

Exp Ther Med 2015 Jul 18;10(1):362-368. Epub 2015 May 18.

Department of Histology and Embryology, Medical Faculty, Celal Bayar University, Manisa 45030, Turkey.

Epithelial barrier dysfunction is important in the pathogenesis of asthma and allergic responses, and is therefore a therapeutic target. The aim of the present study was to investigate the effects of dexamethasone, a classic therapeutic agent, an anti-tumor necrosis factor agent (etanercept), which is used to treat difficult cases of asthma, and an anti-vascular endothelial growth factor (VEGF) agent (bevacizumab), which is an angiogenesis inhibitor, on zonula occludens (ZO) proteins in an experimental asthma model. The experimental model of asthma was developed using intraperitoneal (IP) and inhaled administration of ovalbumin in 38 BALB/c mice, which were divided into four groups. The control group (n=6) did not receive any treatment, while the four remaining groups (n=8 per group) received an IP injection of saline, etanercept, bevacizumab or dexamethasone, respectively. Occludin, claudin and junctional adhesion molecule (JAM) were immunohistochemically stained in the left middle lobe samples using an indirect avidin-peroxidase method, after which the staining was semiquantified with H-scores. Statistically significant differences were observed in the occludin, claudin and JAM H-scores among the four groups (P<0.001). In the untreated asthma, etanercept, bevacizumab and dexamethasone groups, the median H-scores for occludin were 93, 177, 280 and 198, respectively, while the H-scores for claudin were 82, 193.5, 274 and 202.5, respectively, and the median H-scores for JAM were 130, 210, 288 and 210, respectively. Pairwise comparisons revealed that all three ZO protein H-scores were significantly lower in the saline group when compared with each treatment group. However, the H-scores of the ZO proteins were not significantly different between the etanercept and dexamethasone groups. Furthermore, the bevacizumab group exhibited higher H-scores for all the proteins compared with the dexamethasone group. Therefore, antagonism of VEGF with bevacizumab restores the epithelial barrier to a greater extent when compared with dexamethasone treatment. This result may be promising for the development of novel therapeutic agents.
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http://dx.doi.org/10.3892/etm.2015.2502DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4486846PMC
July 2015

Maternal serum concentrations of s-Endoglin and IL-6 in pregnancy complicated by preterm premature membrane rupture.

J Matern Fetal Neonatal Med 2016 13;29(12):1957-62. Epub 2015 Aug 13.

d Obstetric and Gynecology Clinic, Iskenderun State Hospital , Hatay Merkez/Hatay , Turkey.

Objective: This study aimed to investigate maternal serum concentrations of s-Endoglin and compare s-Endoglin with other inflammatory markers in prediction of time to delivery, in pregnancies complicated by preterm premature rupture of membranes (PPROM).

Materials And Methods: Fifty five patients complicated by PPROM whose gestational age were between 2433 weeks and 44 matched healthy pregnant women were included in present study. Maternal concentrations of s-Endoglin concentrations were measured by an enzyme-linked immunosorbent assay (ELISA) and compared with maternal inflammatory markers including interleukin-6 (IL-6), white blood cell (WBC) count and serum C-reactive protein (CRP). The best variable for prediction of preterm birth was computed.

Results: Mean s-Endoglin levels in PPROM were lower than control groups (0.24 ± 0.12 pg/ml and 0.69 ± 0.25 pg/ml, respectively, p < 0.01). Besides IL-6 (p < 0.01), WBC (p = 0.016) and CRP (p = 0.010) levels were higher in PPROM group. In PPROM group, ROC analysis results of s-Endoglin for prediction of preterm delivery <48 h, <7 days, <32 weeks were not different (p > 0.05). For predicting preterm birth before 48 h and 7 days, only IL-6 at cut off value >0.70 (pg/ml) and >0.55 (pg/ml) had area under curve (AUC); 0.871 (0.7750.965), p < 0.01, AUC; 0.925 (0.8560.993), p < 0.001, respectively.

Conclusion: s-Endoglin as an anti-angiogenic marker seemed to have a role in pathogenesis but results of present study showed that, unlike IL-6, it was unsatisfactory for estimating time to delivery in PPROM.
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http://dx.doi.org/10.3109/14767058.2015.1070137DOI Listing
January 2017

Follicular bronchiolitis: a rare disease in children.

Turk Pediatri Ars 2014 Dec 1;49(4):344-7. Epub 2014 Dec 1.

Division of Pediatric Allergy and Pulmonology Unit, Celal Bayar University Faculty of Medicine, Manisa, Turkey.

Follicular bronchiolitis (FB) is a benign progressive lung disease. It is characterized with lymphoplasmocellular infiltration and hyperplastic follicles in the peribronchial areas in the small airways. Follicular bronchiolitis should be considered in cases where chronic cough, recurrent upper respiratory tract infections and progressive dyspnea are observed in children. The diagnosis should be supported by lung biopsy. A 8-year old female patient presented to our hospital with complaints including continuing cough and wheezing. Bilateral extensive rales and rhonchi in the lungs were heard on auscultation and lung graphy revealed reticuloglandular appearance. Bilateral extensive septal thickennings, reticulonodular appearance, patchy bronchiectasis, bronchiolectasis and peribronchial thickennings were found on high-resolution thoracal computarized tomography. A diagnosis of follicular bronchiolitis was made as a result of lung biopsy. Improvement was observed in the complaints and findings of our patient after methylprednisolone treatment. This patient was presented to emphasize rare interstitial lung diseases should also be considered in children who present with a clinical picture of chronic bronchial obstruction and do not respond to standard treatment.
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http://dx.doi.org/10.5152/tpa.2014.306DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4462318PMC
December 2014

IL-5, IL-8 and MMP -9 levels in exhaled breath condensate of atopic and nonatopic asthmatic children.

Respir Med 2015 Jun 15;109(6):680-8. Epub 2015 Apr 15.

Celal Bayar University Medical Faculty, Dept. of Pediatric Allergy and Pulmonology, Manisa, Turkey. Electronic address:

Rationale: Asthma is a heterogeneous disease, and a great majority of pediatric patients with asthma demonstrate atopic characteristics and develop a Th2 type cytokine response. Nonatopic asthma, on the other hand, is seen more rarely.

Methods: In this study, levels of IL-5, IL-8 and MMP-9 were measured in exhaled breath condensate (EBC) of the subjects to demonstrate the extent of tissue damage as well as eosinophilic and neutrophilic inflammation in children with atopic and nonatopic asthma. A total of 37 children with atopic asthma and 37 children with nonatopic asthma were enrolled in the study. Patients who exhibited protease positive aeroallergen (House dust mite, mould mix, olea, grass mix) sensitivity in allergen skin prick test were included in the atopic asthma group. To evaluate the EBC, the fluid content of the breath was collected by having the patients exhale into an EBC device, after which the IL-5, IL-8 and MMP-9 levels were assayed using the ELISA method.

Results: The atopic asthmatics exhibited significantly higher IL-5 levels in their EBC samples than the nonatopic asthmatics (0.271 [0.198-0.489] pg/ml and 0.198 [0.125-0.344] pg/ml, respectively, p = 0.04), while no significant differences were observed in the levels of IL-8 and MMP-9 in the EBC samples of the atopic and nonatopic asthmatics.

Conclusions: IL-5 levels, as a marker of eosinophilic inflammation, were demonstrated to be higher in the children with atopic asthma when compared to those with nonatopic asthma in EBC. The fact that no significant difference was apparent in the IL-8 levels between the groups suggests that it is the severity of the disease rather than the atopic state that plays an important role in IL-8 levels. Since no difference was recorded between the groups in terms of MMP-9 levels, lung damage in asthma sufferers seems to develop independent of atopia.
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http://dx.doi.org/10.1016/j.rmed.2015.04.004DOI Listing
June 2015