360 results match your criteria Tympanocentesis


Synchrony in serum antibody response to conserved proteins of in young children.

Hum Vaccin Immunother 2020 May 13:1-7. Epub 2020 May 13.

Research Institute, Rochester General Hospital, Rochester, NY, USA.

Conserved () proteins, oligopeptide permease (Opp)A, hemagglutinin (Hag), outer membrane protein (OMP) CD, Pilin A clade 2 (PilA2), and Moraxella surface protein (Msp) 22 have been studied as vaccine candidates. Children who experience frequent acute otitis media (AOM) confirmed with pathogen identification by tympanocentesis are referred to as stringently-defined otitis prone (sOP). Synchrony of serum antibody responses against 5 proteins, OppA, Hag, OMP CD, PilA2, and Msp22 resulting from nasopharyngeal colonization and AOM was studied for 85 non-otitis prone (NOP) children and 34 sOP children. Read More

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http://dx.doi.org/10.1080/21645515.2020.1752562DOI Listing

[Paracentez].

Vestn Otorinolaringol 2020 ;85(1):79-82

Pirogov Russian National Research Medical University of the Ministry of Health of Russia, Department of Otolaryngology of Pediatric Faculty, Moscow, Russia, 117997.

In this article, we present the analysis of the data of the specialized literature and the results of our own observations on the use of paracentesis in the treatment of acute suppurative otitis media. We highlight a method for diagnosing acute otitis media, which makes it possible to determine the rational algorithm of treating this disease - digital videootoscopy. Common methods of procedures aimed at draining the tympanum in acute purulent otitis media, such as tympanic membrane puncture, myringotomy, tympanostomy, tympanocentesis, and the differential approach to these methods of surgical treatment of the disease are discussed. Read More

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http://dx.doi.org/10.17116/otorino20208501179DOI Listing
January 2020

Immunologic dysfunction contributes to the otitis prone condition.

J Infect 2020 Jun 20;80(6):614-622. Epub 2020 Mar 20.

Center for Infectious Diseases and Immunology, Rochester General Hospital Research Institute, Rochester, NY. Electronic address:

Acute Otitis Media (AOM) is a multifactorial disease occurring mostly in young children who are immunologically naïve to AOM pathogens. This review focuses on work from Rochester NY, USA over the past 12 years among young children who had AOM infections microbiologically-confirmed by tympanocentesis, so called "stringently-defined". Among stringently-defined otitis prone children deficiencies in fundamental immune defense mechanisms have been identified that contribute to the propensity of young children to experience recurrent AOM. Read More

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http://dx.doi.org/10.1016/j.jinf.2020.03.017DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7234916PMC

Can Reflux Symptom Index and Reflux Finding Score Be Used to Guide the Treatment of Secretory Otitis Media in Adults?

ORL J Otorhinolaryngol Relat Spec 2020 15;82(3):130-138. Epub 2020 Jan 15.

Department of Otolaryngology, Shanxi Provincial People's Hospital Affiliated to Shanxi Medical University, Taiyuan, China.

Background: At present more attention is paid to the treatment of secretory otitis media in children, but there is also a high incidence of adult patients. The etiology of secretory otitis media in adults is complex and related to many factors.

Objectives: The aim of this study was to evaluate the correlation between the Reflux Symptom Index (RSI)/Reflux Finding Score (RFS) and secretory otitis media in adults, and to explore further treatment methods. Read More

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http://dx.doi.org/10.1159/000505929DOI Listing
January 2020

Rising Pneumococcal Antibiotic Resistance in the Post 13-valent Pneumococcal Conjugate Vaccine Era in Pediatric Isolates from a Primary Care Setting.

Clin Infect Dis 2020 Feb 18. Epub 2020 Feb 18.

Center for Infectious Diseases and Immunology, Rochester General Hospital Research Institute, Rochester, NY.

Importance: Antibiotic-resistant S. pneumoniae strains may cause infections that fail to respond to antimicrobial-therapy. Results reported from hospitalized patients with invasive, bacteremic infections may not be the same as those observed in a primary-care setting where young children receive care for non-invasive infections. Read More

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http://dx.doi.org/10.1093/cid/ciaa157DOI Listing
February 2020

Comparative Analysis of Microbiome in Nasopharynx and Middle Ear in Young Children With Acute Otitis Media.

Front Genet 2019 19;10:1176. Epub 2019 Nov 19.

Center for Infectious Disease and Immunology, Rochester General Hospital Research Institute, Rochester, NY, United States.

Acute otitis media (AOM) is the most common pediatric infection for which antibiotics are prescribed in the United States. The role of the respiratory tract microbiome in pathogenesis and immune modulation of AOM remains unexplored. We sought to compare the nasopharyngeal (NP) microbiome of children 1 to 3 weeks prior to onset of AOM vs. Read More

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http://dx.doi.org/10.3389/fgene.2019.01176DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6877732PMC
November 2019

Balloon Eustachian Tuboplasty Combined With Tympanocentesis Is not Superior to Balloon Eustachian Tuboplasty in Chronic Otitis Media With Effusion-A Randomized Clinical Trial.

Otol Neurotol 2020 Mar;41(3):339-344

Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital Ostrava.

Objective: Balloon Eustachian tuboplasty (BET) appears to be a promising therapeutic option for Eustachian tube dysfunction. However, data are lacking on its effect in adults with chronic otitis media with effusion (COME) and whether it should be combined with tympanocentesis. The aim of our study was to determine if there is a beneficial effect of BET combined with tympanocentesis compared with BET only and provide data on the effect of BET in adults with COME. Read More

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http://dx.doi.org/10.1097/MAO.0000000000002518DOI Listing

Characterization of acute otitis media otopathogens before the introduction of the pneumococcal conjugated vaccine into the national immunization program in Poland.

Int J Pediatr Otorhinolaryngol 2019 Dec 31;127:109666. Epub 2019 Aug 31.

Nieklanska Children's Hospital, Pediatrics, Warsaw, Poland.

Background: Bacterial etiologic data for acute otitis media (AOM) otopathogens in Poland are scarce. The aim of this study was to determine the bacterial etiology and antibiotic susceptibility patterns of otopathogens in children prior to the introduction of the pneumococcal conjugated vaccine (PCV) into the national immunization program (NIP) in Poland.

Methods: Demographic and laboratory data of children < 5 years old who underwent tympanocentesis due to AOM in Nieklanska Hospital Warsaw between 2010 and 2016, were collected. Read More

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http://dx.doi.org/10.1016/j.ijporl.2019.109666DOI Listing
December 2019
3 Reads

The role of bacteriotherapy in the prevention of adenoidectomy.

Eur Rev Med Pharmacol Sci 2019 Mar;23(1 Suppl):44-47

Associazione Italiana Vie Aeree Superiori, Naples, Italy.

Objective: Adenoidectomy is a surgical procedure with potential adverse events. Effective nonsurgical therapy could reduce patient risk and harm. The aim of this study was to evaluate the role of bacteriotherapy to reduce the necessity of adenoid surgery. Read More

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http://dx.doi.org/10.26355/eurrev_201903_17348DOI Listing
March 2019
5 Reads

Effect of vascular endothelial growth factor and its receptors in adult otitis media with effusion.

Eur Arch Otorhinolaryngol 2019 Jul 27;276(7):1889-1895. Epub 2019 Mar 27.

Department of Otolaryngology Head and Neck Surgery, Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Beijing, 100029, People's Republic of China.

Purpose: Some studies have demonstrated that vascular endothelial growth factor (VEGF) plays a critical role in the pathogenesis of otitis media with effusion (OME) in animal models. However, the levels of VEGF and its receptors in adult OME have not been clarified. Our study was designed to detect the levels of VEGF and its receptors in adult OME and explore their relationship with effusion types, duration and prognosis of OME. Read More

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http://dx.doi.org/10.1007/s00405-019-05400-0DOI Listing
July 2019
2 Reads

Reversible sensorineural hearing loss following carbon monoxide poisoning.

Acta Otorrinolaringol Esp 2019 Nov - Dec;70(6):373-375. Epub 2019 Mar 7.

Unidad de Terapéutica Hiperbárica, Hospital General Universitario de Castellón, Castellón de la Plana, Castellón, España.

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http://dx.doi.org/10.1016/j.otorri.2018.06.006DOI Listing
April 2020
3 Reads

[Comparison of tympanocentesis, CO₂ laser tympanostomy and grommet insertion in the treatment for secretory otitis media in children].

Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018 Nov;32(22):1723-1727

Department of Otolaryngology Head and Neck Surgery,Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Ear Institute, Shanghai Key Laboratory of Translational Medicine on Ear and Nose diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China.

To compare adenoidectomy combined tympanocentesis, CO₂ laser tympanostomy and grommet insertion in the treatment for secretory otitis media (SOM) in children, and to provide basis for selection of surgical treatments. Four hundred and twenty-six ears in 244 children with adenoid hypertrophy and SOM were divided into 3 groups which were: group A, 80 cases (142 ears) were treated with adenoidectomy combined with tympanocentesis; group B, 86 cases (145 ears) were treated with adenoidectomy combined with CO₂ laser tympanostomy; group C, 78 cases (139 ears) were treated with adenoidectomy combined with grommet insertion. Endotoscopy, tympanometry and PTA (or ABR) were conducted. Read More

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http://dx.doi.org/10.13201/j.issn.1001-1781.2018.22.010DOI Listing
November 2018
6 Reads

Acute otitis media in infants younger than two months of age: Epidemiologic and microbiologic characteristics in the era of pneumococcal conjugate vaccines.

Int J Pediatr Otorhinolaryngol 2019 Apr 23;119:123-130. Epub 2019 Jan 23.

Division of Pediatrics, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel; Pediatric Infectious Disease Unit, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel. Electronic address:

Objectives: To evaluate the epidemiology, microbiology, Streptococcus pneumoniae serotypes distribution and serious bacterial infections (SBIs) occurrence in infants <2 months of age with tympanocentesis-documented acute otitis media (AOM), before and after the introduction of pneumococcal conjugate vaccines (PCVs).

Methods: The medical records of all hospitalized infants with AOM who underwent tympanocentesis during 2005-2014 were reviewed.

Results: Of the 303 infants with AOM who were diagnosed by an ENT specialist, 182 underwent tympanocentesis, 92 during 2005-2009 (prevaccine period) and 90 during 2010-2014 (postvaccine period). Read More

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http://dx.doi.org/10.1016/j.ijporl.2019.01.031DOI Listing
April 2019
13 Reads

Studying PCV impact on clinical presentation of otitis media helps to understand its pathogenesis.

Vaccine 2019 01 26;37(1):1-6. Epub 2018 Nov 26.

Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel. Electronic address:

Background: Complex otitis media (OM) may present with intact tympanic membrane or spontaneous otorrhea. We compared dynamics of intact tympanic membrane and spontaneous otorrhea OM following 7- and 13-valent conjugated vaccines (PCV7, PCV13) implementation, since differences in dynamics may imply different underlying mechanisms.

Methods: A prospective, population-based, active surveillance. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S0264410X183157
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http://dx.doi.org/10.1016/j.vaccine.2018.11.054DOI Listing
January 2019
8 Reads

Effectiveness of 13-valent pneumococcal conjugate vaccination for protection against acute otitis media caused by Streptococcus pneumoniae in healthy young children: a prospective observational study.

Lancet Child Adolesc Health 2018 08 19;2(8):561-568. Epub 2018 Jun 19.

Pfizer Vaccines Clinical Research and Development, Collegeville, PA, USA.

Background: With wide use of the seven-valent pneumococcal conjugate vaccine (PCV7) for protection against acute otitis media caused by Streptococcus pneumoniae serotypes included in the vaccine, efficacy testing for the 13-valent vaccine (PCV13) was not feasible. We aimed to assess the effectiveness of PCV13 in preventing acute otitis media caused by the six serotypes in PCV13 that were not in PCV7.

Methods: We did a longitudinal observational study in healthy children seen as outpatients in a private paediatric practice in Rochester, NY, USA. Read More

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http://dx.doi.org/10.1016/S2352-4642(18)30168-8DOI Listing
August 2018
4 Reads

Effects of combination of balloon Eustachian tuboplasty with methylprednisolone irrigation on treatment of chronic otitis media with effusion in adults.

Am J Otolaryngol 2018 Nov - Dec;39(6):670-675. Epub 2018 Jun 22.

Department of Otolaryngology Head and Neck Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China; Institute of Hearing and Speech-Language Science, Sun Yat-sen University, Guangzhou 510120, China. Electronic address:

Purpose: Adult chronic otitis media with effusion (COME) is characterized by Eustachian tube dysfunction and mucosal inflammation, which management has long been a challenge because of high recurrence. This study was to investigate the pathological changes of Eustachian tube mucosa and optimized treatment.

Materials And Methods: Retrospective study of four groups: I: tympanic paracentesis, II: balloon Eustachian tuboplasty (BET), III: BET plus tympanic paracentesis, IV: BET and tympanic paracentesis with methylprednisolone irrigation. Read More

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http://dx.doi.org/10.1016/j.amjoto.2018.06.016DOI Listing
February 2019
24 Reads

50 Years Ago in The Journal of Pediatrics: Concentration of Ampicillin in Exudate from Acute Otitis Media.

Authors:
Philip Toltzis

J Pediatr 2018 06;197:56

Rainbow Babies and Children's Hospital Cleveland, Ohio.

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http://dx.doi.org/10.1016/j.jpeds.2017.11.052DOI Listing
June 2018
4 Reads

[Analysis of related factors of recurrent otitis media with effusion in children].

Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017 Aug;31(15):1168-1173

Department of Otorhinolaryngology, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China.

To investigate the influencing factors of recurrent episodes of otitis media with effusion in children.A retrospective summary of the clinical data of 210 cases of children with otitis media with effusion, 75 cases of recurrence after treatment, 135 cases were recovered, the recurrence of the related factors and after symptomatic treatment effect is analyzed.Logistic regression analysis results found that adenoid hypertrophy (Ⅲ°, Ⅳ°), tonsil hypertrophy (Ⅳ°) and sinusitis (including choanal polyp), a positive allergens, upper respiratory tract infection, the stomach esophagus regurgitation, cleft palate, younger age has significant effect on recurrence of otitis media with effusion, have significant difference (< 0. Read More

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http://dx.doi.org/10.13201/j.issn.1001-1781.2017.15.007DOI Listing
August 2017
3 Reads

Etiology of Acute Otitis Media and Characterization of Pneumococcal Isolates After Introduction of 13-Valent Pneumococcal Conjugate Vaccine in Japanese Children.

Pediatr Infect Dis J 2018 06;37(6):598-604

From the Department of Infectious Diseases, Keio University, School of Medicine.

Background: Acute otitis media is a leading cause of childhood morbidity and antibiotic prescriptions. We examined etiologic changes in acute otitis media after introduction of 13-valent pneumococcal conjugate vaccine as routine immunization for Japanese children in 2014. Serotypes, resistance genotypes, antibiotic susceptibilities and multilocus sequence typing of pneumococcal isolates were also characterized. Read More

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http://Insights.ovid.com/crossref?an=00006454-201806000-0002
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http://dx.doi.org/10.1097/INF.0000000000001956DOI Listing
June 2018
14 Reads

Epidemiology of Acute Otitis Media in the Postpneumococcal Conjugate Vaccine Era.

Pediatrics 2017 Sep 7;140(3). Epub 2017 Aug 7.

Center for Infectious Diseases and Immunology, Rochester General Hospital Research Institute, Rochester, New York

Objectives: To study the epidemiology of acute otitis media (AOM), especially the otitis-prone condition, during the pneumococcal conjugate vaccines 7 and 13 era.

Methods: Six hundred and fifteen children were prospectively managed from 6 to 36 months of life during a 10-year time frame (June 2006-June 2016). All clinical diagnoses of AOM were confirmed by tympanocentesis and bacterial culture of middle ear fluid. Read More

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http://dx.doi.org/10.1542/peds.2017-0181DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5574724PMC
September 2017
41 Reads

Etiology of acute otitis media and serotype distribution of Streptococcus pneumoniae and Haemophilus influenzae in Chilean children <5 years of age.

Medicine (Baltimore) 2017 Feb;96(6):e5974

aUnidad de Otorrinolaringología, Hospital Sótero del Rio, Puente Alto, Santiago, Chile bMerck & Co, Sao Paulo, Brazil; at the time of the study Takeda Pharmaceuticals, Sao Paulo, Brazil cGSK Pharmaceuticals Ltd, Bangalore, India dGSK Buenos Aires, Argentina eGSK Panama, Panamá.

The impact of bacterial conjugate vaccines on acute otitis media (AOM) is affected by several factors including population characteristics, bacterial etiology and vaccine conjugation method, carrier, and coverage. This study estimated the baseline etiology, distribution, and antibiotic susceptibility of bacterial serotypes that causes AOM in children aged <5 years in a public setting in Santiago, Chile.Children aged ≥3 months and <5 years referred to the physician for treatment of AOM episodes (with an onset of symptoms <72 h) were enrolled between September 2009 and September 2010. Read More

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http://dx.doi.org/10.1097/MD.0000000000005974DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5312995PMC
February 2017
13 Reads

Acute bacterial meningitis caused by acute otitis media in adults: A series of 12 patients.

Ear Nose Throat J 2017 Jan;96(1):20-28

Department of Otorhinolaryngology-Head and Neck Surgery, Soroka University Medical Center and Faculty of Health Sciences, Beer Sheva, Israel.

We conducted a retrospective chart review to characterize the outcomes of 12 patients-9 men and 3 women, aged 21 to 79 years (mean: 49)-who had been treated at our tertiary care center for acute bacterial meningitis caused by acute otitis media (ABMAO). Fever was the most common presenting sign/symptom, observed in 8 patients, followed by otalgia, neck stiffness, headache, and confusion. An opaque and bulging tympanic membrane was observed in 8 patients. Read More

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January 2017
82 Reads

[Lipoma of the pharyngeal opening auditory tube:a case report].

Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017 Jan;31(2):157-158

A young female complained left ear fullness for over three months. She has a history of tympanocentesis one year before. Nasal endoscopic inspection reported that left nose pharynx ministry is derived from the vegetations of eustachian tube. Read More

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http://dx.doi.org/10.13201/j.issn.1001-1781.2017.02.021DOI Listing
January 2017
1 Read

Acute mastoiditis in children: Middle ear cultures may help in reducing use of broad spectrum antibiotics.

Int J Pediatr Otorhinolaryngol 2017 Jan 10;92:32-37. Epub 2016 Nov 10.

Department of Pediatrics, Hospital Prof. Doutor Fernando Fonseca, EPE, Estrada IC-19, 2720-276, Amadora, Portugal. Electronic address:

Background: Acute mastoiditis (AM) is a suppurative infection of the mastoid air cells, representing the most frequent complication of acute otitis media. AM remains an important entity in children due to its potential complications and sequelae. We aim to describe the cases of AM admitted at our department, identify risk factors potentially associated with complications and analyse the changes in clinical approach of AM over time. Read More

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http://dx.doi.org/10.1016/j.ijporl.2016.11.002DOI Listing
January 2017
6 Reads

Etiology of Acute Otitis Media in Children Less Than 5 Years of Age: A Pooled Analysis of 10 Similarly Designed Observational Studies.

Pediatr Infect Dis J 2017 03;36(3):274-281

From the *GSK Vaccines, Wavre, Belgium; †Association Clinique et Thérapeutique Infantile du Val de Marne (ACTIV), Saint-Maur-des-Fossés, CHI Créteil and UPEC, France; ‡Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, and §Department of Science and Technology/National Research Foundation: Vaccine Preventable Diseases, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa; ¶Unidad de Otorrinolaringologia, Hospital Dr Sotero del Rio, Puente Alto, Santiago, Chile; ‖Departamento de Infectologia, Instituto Nacional de Pediatría de la Secretaría de Salud (SSA), Mexico City, Mexico; **Otolaryngology Department, King Saud University & King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia; ††ENT-Center, Prinzenweg 1, 82319 Starnberg, Germany; ‡‡Centros de Estudios Infectologia Pediatrica, Cali, Colombia; §§GSK Biologicals, Ciudad Panama, Panama; ¶¶Sección de ORL Pediátrica, Hospital Universitari Vall d'Hebron, Barcelona, Spain; and ‖‖Otolaryngology Department, Faculty of Medicine Chiang Mai University, Chiang Mai, Thailand.

Background: Acute otitis media (AOM) is an important cause of childhood morbidity and antibiotic prescriptions. However, the relative importance of the well-known otopathogens, Streptococcus pneumoniae (Spn) and Haemophilus influenzae (Hflu), remains unclear because of a limited number of tympanocentesis-based studies that vary significantly in populations sampled, case definitions and heptavalent pneumococcal conjugate vaccine use.

Methods: We conducted a pooled analysis of results from 10 AOM etiology studies of similar design, the protocols of which were derived from a common protocol and conducted in children 3 months to 5 years of age in different countries. Read More

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http://dx.doi.org/10.1097/INF.0000000000001420DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5312727PMC
March 2017
52 Reads

Using Pneumococcal Carriage Data to Monitor Postvaccination Changes in the Incidence of Pneumococcal Otitis Media.

Am J Epidemiol 2016 Nov 15;184(9):652-659. Epub 2016 Oct 15.

Pneumococcal conjugate vaccines (PCVs) have substantially reduced the burden of pneumococcal disease, including the incidence of otitis media (OM). However, in most countries, no surveillance exists to monitor the change in pneumococcal OM incidence after the introduction of PCVs. We explored whether measuring pneumococcal carriage was a useful surrogate for monitoring postvaccination changes in the incidence of pneumococcal OM. Read More

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http://dx.doi.org/10.1093/aje/kww012DOI Listing
November 2016
15 Reads

[Bacterial etiology of acute otitis media in Spain in the post-pneumococcal conjugate vaccine era].

An Pediatr (Barc) 2016 Nov 9;85(5):224-231. Epub 2016 Mar 9.

GSK Pharmaceuticals Pvt. Ltd., Bangalore, India.

Introduction: Acute otitis media (AOM) is common in children aged <3 years. A pneumococcal conjugate vaccine (PCV) (PCV7; Prevenar, Pfizer/Wyeth, USA) has been available in Spain since 2001, which has a coverage rate of 50-60% in children aged <5 years.

Materials And Methods: Children aged ≥3 to 36 months with AOM confirmed by an ear-nose-throat specialist were enrolled at seven centers in Spain (February 2009-May 2012) (GSK study identifier: 111425). Read More

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http://dx.doi.org/10.1016/j.anpedi.2015.10.016DOI Listing
November 2016
43 Reads

Ten-Year Study of the Stringently Defined Otitis-prone Child in Rochester, NY.

Pediatr Infect Dis J 2016 09;35(9):1033-9

From the Center for Infectious Disease and Immunobiology, Rochester General Hospital Research Institute, Rochester, New York.

This review summarizes a prospective, longitudinal 10-year study in Rochester, NY, with virtually every clinically diagnosed acute otitis media (AOM) confirmed by bacterial culture of middle ear fluid. Children experiencing 3 episodes within 6 months or 4 episodes in 12 months were considered stringently defined otitis prone (sOP). We found stringent diagnosis compared with clinical diagnosis reduced the frequency of children meeting the OP definition from 27% to 6% resulting in 14. Read More

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http://dx.doi.org/10.1097/INF.0000000000001217DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4987181PMC
September 2016
15 Reads

Serum cytokine biomarkers accurately predict presence of acute otitis media infection and recovery caused by Haemophilus influenzae.

Int J Pediatr Otorhinolaryngol 2016 Apr 12;83:200-4. Epub 2016 Feb 12.

University of Rochester, Rochester, NY, United States.

Objective: We sought to develop an optimal model using a combination of serum biomarker pro-inflammatory and dampening inflammatory cytokine proteins to predict the presence of acute otitis media (AOM) infection and recovery caused by Nontypeable Haemophilus influenzae (NTHi).

Methods: 88 serum samples were studied from 34 children 6-36 months of age at healthy visits, at onset of AOM diagnosed by qualified pediatricians and confirmed by tympanocentesis to be caused by NTHi and follow up 3 weeks to 4 months later. Immunoassays were used to quantitate serum S100A12, IL-10 and sICAM-1 cytokine levels. Read More

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http://dx.doi.org/10.1016/j.ijporl.2016.02.007DOI Listing
April 2016
15 Reads

Changing trends of acute otitis media bacteriology in central Israel in the pneumococcal conjugate vaccines era.

Pediatr Infect Dis J 2015 Feb;34(2):195-9

From the *Department of Otolaryngology-Head and Neck Surgery, †Pediatric Allergy/Immunology Unit, Edith Wolfson Medical Center, Tel Aviv University Sackler School of Medicine, Holon, Israel; ‡Public Health Services, Israel Ministry of Health, Jerusalem, Israel; and §Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.

Background: The widespread use of 7-valent pneumococcal conjugate vaccine (PCV7) has changed acute otitis media (AOM) bacteriology. Only scattered data with regard to this effect of PCV13 have been published so far.

Methods: We retrospectively identified children <6 years of age who presented to our hospital with AOM, and had middle ear fluid (MEF) cultures obtained during tympanocentesis or from spontaneous otorrhea during 2008-2013, when PCV7 (2009) and PCV13 (2010) were gradually introduced in the Israeli National Immunization Program. Read More

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http://dx.doi.org/10.1097/INF.0000000000000536DOI Listing
February 2015
15 Reads
6 Citations
2.723 Impact Factor

Severity of pneumococcal versus non-pneumococcal acute otitis media in children.

Clin Otolaryngol 2015 Aug;40(4):370-7

Department of Otolaryngology-Head and Neck Surgery, Edith Wolfson Medical Center, Tel Aviv University Sackler Faculty of Medicine, Holon, Israel.

Background: Pneumococcal acute otitis media (AOM) has been previously considered as a more severe disease than that caused by other otopathogens, based on clinical and/or otologic scores. We sought to test this hypothesis in the pneumococcal conjugated vaccine (PCV) era.

Methods: Children <6 years who presented with 'severe' AOM episodes with middle ear fluid (MEF) cultures during 2008-2013 were retrospectively identified. Read More

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http://dx.doi.org/10.1111/coa.12384DOI Listing
August 2015
7 Reads

Etiology and antimicrobial susceptibility of middle ear fluid pathogens in Costa Rican children with otitis media before and after the introduction of the 7-valent pneumococcal conjugate vaccine in the National Immunization Program: acute otitis media microbiology in Costa Rican children.

Medicine (Baltimore) 2015 Jan;94(2):e320

From the Instituto de Atención Pediátrica, San José, Costa Rica (AAb, AAr, CS); Universidad Autónoma de Ciencias Médicas, San José, Costa Rica (AAr); Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer-Sheva, Israel (RDa, NP); GlaxoSmithKline Vaccines, Panama City, Panama (MMC, EO-B, RDA) GlaxoSmithKline Vaccines, Wavre, Belgium (RC, J-YP, RD, MVD).

Acute otitis media (AOM) microbiology was evaluated in children after 7-valent pneumococcal conjugate vaccine (PCV7) introduction in Costa Rica (private sector, 2004; National Immunization Program, 2009). This was a combined prospective and retrospective study conducted in a routine clinical setting in San José, Costa Rica. In the prospective part of the study, which was conducted post-PCV7 introduction (2010-2012), standard bacteriological procedures were used to evaluate the etiology and serotype distribution of middle ear fluid samples collected by tympanocentesis or otorrhea from children aged 3-59 months diagnosed with AOM. Read More

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http://dx.doi.org/10.1097/MD.0000000000000320DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4602541PMC
January 2015
25 Reads

Correlation of nasopharyngeal cultures prior to and at onset of acute otitis media with middle ear fluid cultures.

BMC Infect Dis 2014 Dec 5;14:640. Epub 2014 Dec 5.

Center for Infectious Diseases and Immunology, Rochester General Hospital Research Institute, 1425 Portland Avenue, 14621, Rochester, NY, USA.

Background: We sought to determine if nasopharyngeal (NP) cultures taken at times of healthy visits or at onset of acute otitis media (AOM) could predict the otopathogen mix and antibiotic-susceptibility of middle ear isolates as determined by middle ear fluid (MEF) cultures obtained by tympanocentesis.

Methods: During a 7-year-prospective study of 619 children from Jun 2006-Aug 2013, NP cultures were obtained from 6-30 month olds at healthy visits and NP and MEF (by tympanocentesis) at onset of AOM episodes.

Results: 2601 NP and 530 MEF samples were collected. Read More

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http://dx.doi.org/10.1186/s12879-014-0640-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4264249PMC
December 2014
36 Reads

Cytokine, chemokine, and Toll-like receptor expression in middle ear fluids of children with acute otitis media.

Laryngoscope 2015 Jan 12;125(1):E39-44. Epub 2014 Sep 12.

Center for Infectious Diseases and Immunology, Rochester General Hospital Research Institute, Rochester.

Objectives/hypothesis: Acute otitis media (AOM) is a common bacterial infection in childhood that causes an inflammatory response in the middle ear. Leukocytes produce different inflammatory molecules in vitro when stimulated with Gram-positive and Gram-negative bacteria. The major causes of AOM are Streptococcus pneumoniae, nontypeable Haemophilus influenza, and Moraxella catarrhalis. Read More

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http://dx.doi.org/10.1002/lary.24920DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4280288PMC
January 2015
11 Reads

A prospective, observational, epidemiological evaluation of the aetiology and antimicrobial susceptibility of acute otitis media in Saudi children younger than 5years of age.

J Epidemiol Glob Health 2014 Sep 21;4(3):231-8. Epub 2014 Apr 21.

GlaxoSmithKline Vaccines, Avenue Fleming 20, 1300 Wavre, Belgium. Electronic address:

Background: Information regarding acute otitis media (AOM) aetiology is important for developing effective vaccines. Here, bacterial aetiology and antimicrobial susceptibility of AOM were determined in young Saudi children.

Methods: Children aged 3-60months with a new episode of AOM, who had not received antibiotics or had received antibiotics for 48-72h but remained symptomatic, were enrolled in this prospective, observational, epidemiological study in Riyadh. Read More

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http://dx.doi.org/10.1016/j.jegh.2014.03.002DOI Listing
September 2014
53 Reads
1 Citation

Haemophilus influenzae type b as an important cause of culture-positive acute otitis media in young children in Thailand: a tympanocentesis-based, multi-center, cross-sectional study.

BMC Pediatr 2014 Jun 20;14:157. Epub 2014 Jun 20.

Department of Otolaryngology, Queen Sirikit National Institute of Child Health, 420/8 Rajvithi Road, Rajthevee, Bangkok 10400, Thailand.

Background: Streptococcus pneumoniae (S. pneumoniae) and Haemophilus influenzae (H. influenzae) are considered major causes of bacterial acute otitis media (AOM) worldwide, but data from Asia on primary causes of AOM are limited. Read More

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http://dx.doi.org/10.1186/1471-2431-14-157DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4075543PMC
June 2014
37 Reads

Acute mastoiditis in the pneumococcal conjugate vaccine era.

Clin Vaccine Immunol 2014 Aug 11;21(8):1189-91. Epub 2014 Jun 11.

Department of Otolaryngology-Head and Neck Surgery, Edith Wolfson Medical Center, Tel Aviv University Sackler School of Medicine, Holon, Israel

Following the introduction of the 7- and 13-valent pneumococcal conjugate vaccines, we observed an inverse relationship between the increasing rate of immunized children and the proportion of middle ear fluid cultures collected during acute mastoiditis episodes that tested positive for Streptococcus pneumoniae among a subset of children 0 to 6 years old who had initially presented with severe acute otitis media and had bacterial cultures collected during tympanocentesis or from spontaneous otorrhea. Read More

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http://dx.doi.org/10.1128/CVI.00289-14DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4135914PMC
August 2014
27 Reads
1 Citation

Frequent carriage of resistance mechanisms to β-lactams and biofilm formation in Haemophilus influenzae causing treatment failure and recurrent otitis media in young children.

J Antimicrob Chemother 2014 Sep 2;69(9):2394-9. Epub 2014 Jun 2.

Antibiotic and Haemophilus Laboratory, Bacteriology Service, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain Consejo Superior de Investigaciones Científicas, Madrid, Spain

Objectives: Non-typeable Haemophilus influenzae are a major cause of acute otitis media (AOM), including chronic and recurrent otitis in young children. The objective of this study was to determine whether non-typeable H. influenzae isolates causing these infections produce biofilms and carry resistance mechanisms to β-lactams. Read More

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https://academic.oup.com/jac/article-lookup/doi/10.1093/jac/
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http://dx.doi.org/10.1093/jac/dku158DOI Listing
September 2014
27 Reads

Once or twice daily versus three times daily amoxicillin with or without clavulanate for the treatment of acute otitis media.

Cochrane Database Syst Rev 2013 Dec 13(12):CD004975. Epub 2013 Dec 13.

Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University, 123 Friendship Road, Khon Kaen, Thailand, 40002.

Background: Acute otitis media (AOM) is a common problem in children, for which amoxicillin, with or without clavulanate, is frequently prescribed as a treatment of choice. The conventional recommendation is either three or four daily doses. However, nowadays it is frequently prescribed as once or twice daily doses. Read More

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http://doi.wiley.com/10.1002/14651858.CD004975.pub3
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http://dx.doi.org/10.1002/14651858.CD004975.pub3DOI Listing
December 2013
10 Reads

Bacterial etiology of acute otitis media in the era prior to universal pneumococcal vaccination in Taiwanese children.

J Microbiol Immunol Infect 2014 Jun 27;47(3):239-44. Epub 2013 Sep 27.

Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan; Mackay Medicine, Nursing and Management College, Taipei, Taiwan; Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan. Electronic address:

Background: Acute otitis media (AOM) is one of the most frequent bacterial infections in children. Streptococcus pneumoniae and nontypeable Haemophilus influenzae (NTHi) are the two major bacterial pathogens. Pneumococcal conjugate vaccine was introduced into Taiwan in 2005 and only some children were vaccinated. Read More

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http://dx.doi.org/10.1016/j.jmii.2013.08.016DOI Listing
June 2014
23 Reads

Cellular immune response in young children accounts for recurrent acute otitis media.

Curr Allergy Asthma Rep 2013 Oct;13(5):495-500

Acute otitis media (AOM) is a common disease in young children. Streptococcus pneumoniae (Spn) and Haemophilus influenzae (NTHi) are the two most common pathogens that cause AOM. Over the past 5 years, our group has been studying the immunologic profile of children that experience repeated AOM infections despite tympanocentesis drainage of middle ear fluid and individualized antibiotic treatment; we call these children stringently-defined otitis prone(sOP). Read More

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http://dx.doi.org/10.1007/s11882-013-0370-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3884676PMC
October 2013
26 Reads

Improvement rate of acute otitis media caused by Haemophilus influenzae at 1 week is significantly associated with time to recovery.

J Clin Microbiol 2013 Nov 21;51(11):3542-6. Epub 2013 Aug 21.

Department of Infection Control and Laboratory Diagnostics, Tohoku University Graduate School of Medicine, Sendai, Japan.

Acute otitis media (AOM) is the most common upper respiratory tract infection in childhood. Children with AOM were enrolled at Tohoku Rosai Hospital between July 2006 and June 2011 if their middle ear fluid cultures after tympanocentesis yielded only Haemophilus influenzae. The susceptibilities of the isolates to ampicillin were determined, and microtiter biofilm assays and invasion assays using BEAS-2B cells were performed. Read More

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http://dx.doi.org/10.1128/JCM.01108-13DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3889731PMC
November 2013
31 Reads

Acute otitis media otopathogens during 2008 to 2010 in Rochester, New York.

Pediatr Infect Dis J 2013 Aug;32(8):805-809

Center for Infectious Diseases and Immunology, Rochester General Hospital Research Institute, 1425 Portland Avenue, Rochester, NY 14621.

Background: The otopathogen distribution colonizing the nasopharynx (NP) and causing acute otitis media (AOM) is in flux following the introduction of pneumococcal conjugate vaccine 7 (PCV7) and will continue to change.

Methods: Two hundred seventy-seven children were followed prospectively; tympanocentesis was performed during AOM and 208 NP samples were collected to compare with middle ear fluid (MEF) isolates. Eight hundred sixty-three NP samples were collected at 7 healthy visits between 6 and 30 months of age. Read More

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http://dx.doi.org/10.1097/INF.0b013e31828d9accDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3755474PMC
August 2013
14 Reads

Mixed pneumococcal-nontypeable Haemophilus influenzae otitis media is a distinct clinical entity with unique epidemiologic characteristics and pneumococcal serotype distribution.

J Infect Dis 2013 Oct 10;208(7):1152-60. Epub 2013 Jul 10.

Pediatric Infectious Diseases Unit, Soroka University Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.

Background: Complex (ie, recurrent, nonresponsive, or chronic) otitis media (OM) is frequent and is often caused by a mixed-pathogen infection with biofilm formation. We conducted this study to characterize children with OM due to mixed Streptococcus pneumoniae and nontypeable Haemophilus influenzae (NTHi) infections (M-OM) and those with OM due to single, S. pneumoniae-only infections (S-OM) and to examine whether pneumococcal serotypes associated with M-OM differed from those associated with S-OM. Read More

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http://dx.doi.org/10.1093/infdis/jit289DOI Listing
October 2013
8 Reads

Postirradiation otitis media with effusion in nasopharyngeal carcinoma patients treated by intensity-modulated radiotherapy.

Laryngoscope 2013 Sep 8;123(9):2148-53. Epub 2013 Jul 8.

Department of Otolaryngology, Chung Shan Medical University Hospital, Taichung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan.

Objectives/hypothesis: Postirradiation otitis media with effusion (OME) is a common adverse otologic effect in nasopharyngeal carcinoma (NPC) patients treated by radiotherapy. The purpose of this study was to determine the long-term incidence of postirradiation OME in NPC patients following intensity-modulated radiotherapy (IMRT) and to evaluate the potential factors associated with the development of this otologic complication.

Study Design: Retrospective observational study. Read More

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http://dx.doi.org/10.1002/lary.23215DOI Listing
September 2013
14 Reads

Microbiology of bacteria causing recurrent acute otitis media (AOM) and AOM treatment failure in young children in Spain: shifting pathogens in the post-pneumococcal conjugate vaccination era.

Int J Pediatr Otorhinolaryngol 2013 Aug 6;77(8):1231-6. Epub 2013 Jun 6.

Hospital Infantil Universitario Vall d'Hebrón, Barcelona, Spain.

Objective: To prospectively identify the bacterial aetiology and antimicrobial susceptibility of problematic (recurrent and treatment failure) acute otitis media in Spanish children several years after the introduction of 7-valent pneumococcal conjugate vaccine.

Methods: Tympanocentesis or careful sampling of spontaneous otorrhoea was performed on children aged 3 to <36 months with recurrent acute otitis media, acute otitis media treatment failure or unresolved acute otitis media.

Results: 105 acute otitis media episodes (77 sampled by tympanocentesis, 28 otorrhoea samples) were evaluated: 46 recurrent, 35 treatment failures, 24 unresolved acute otitis media. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S01655876130015
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http://dx.doi.org/10.1016/j.ijporl.2013.04.002DOI Listing
August 2013
58 Reads
12 Citations
1.320 Impact Factor

Relationship with original pathogen in recurrence of acute otitis media after completion of amoxicillin/clavulanate: bacterial relapse or new pathogen.

Pediatr Infect Dis J 2013 Nov;32(11):1159-62

From the *Rochester General Hospital Research Institute; and †Legacy Pediatrics, Rochester, NY.

Objective: We sought to determine whether recurrent acute otitis media (rAOM) occurring within 30 days of amoxicillin/clavulanate treatment was caused by bacterial relapse or new pathogens.

Methods: Pneumococcal conjugate vaccinated children, age 6-36 months, enrolled in a prospective, longitudinal study experiencing rAOM<1 month after completing amoxicillin/clavulanate therapy were studied. AOM episodes occurred between June 2006 and November 2012. Read More

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http://dx.doi.org/10.1097/INF.0b013e31829e3779DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3845822PMC
November 2013
6 Reads

Acute otitis media in infants younger than three months not vaccinated against Streptococcus pneumoniae.

Int J Pediatr Otorhinolaryngol 2013 Jun 17;77(6):976-80. Epub 2013 Apr 17.

Otolaryngology Department, Hospital de Pediatría SAMIC Prof. Dr. Juan P. Garrahan, Combate de Pozos 1881 CABA, Argentina.

Unlabelled: The true incidence of acute otitis media (AOM) in neonates and infants younger than three months is unknown. In this population organisms causing AOM may disseminate leading to bacteremia, sepsis, and meningitis [1].

Objectives: To describe the clinical presentation, associated severe infections, bacteriologic etiology, and antibiotic resistance patterns of organisms isolated from the middle ear of infants younger than three months that were not vaccinated against Streptococcus pneumoniae. Read More

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http://dx.doi.org/10.1016/j.ijporl.2013.03.024DOI Listing
June 2013
17 Reads

Pneumococcal acute otitis media in infants and children in central Romania, 2009-2011: microbiological characteristics and potential coverage by pneumococcal conjugate vaccines.

Int J Infect Dis 2013 Sep 20;17(9):e702-6. Epub 2013 Mar 20.

Department of Pediatrics, Children's Hospital, Faculty of Medicine, Transilvania University, Brasov, Romania.

Objective: To assess the epidemiological and microbiological characteristics of pneumococcal acute otitis media (AOM) in children in Brasov, Central Romania, before the introduction of pneumococcal conjugate vaccine (PCV) into the routine national immunization program.

Methods: All AOM patients aged <5 years who underwent tympanocentesis or presented with purulent otorrhea of ≤24h duration during 2009-2011 were enrolled.

Results: Two hundred and twelve consecutive AOM patients had a middle ear fluid (MEF) culture performed; 99 (46. Read More

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http://dx.doi.org/10.1016/j.ijid.2013.02.002DOI Listing
September 2013
9 Reads