Publications by authors named "Huseyin Gultekin"

3 Publications

  • Page 1 of 1

Preliminary evaluation of foetal liver volume by three-dimensional ultrasound in women with gestational diabetes mellitus.

J Obstet Gynaecol 2018 Oct 19;38(7):922-926. Epub 2018 Mar 19.

a Department of Obstetrics and Gynecology , Health Sciences University, Süleymaniye Women and Children's Health Training and Research Hospital , İstanbul , Turkey.

The aim of the study was to assess the standard foetal biometric measurements and foetal liver volume (FLV) in pregnancies complicated by gestational diabetes mellitus (GDM) at the time of GDM screening and to compare the results with foetuses in normal pregnancies. Ninety-seven pregnant women with normal singleton uncomplicated pregnancies between 24 and 28 weeks of gestation were allocated into GDM (+) (n: 33) and GDM (-) (n: 64) groups based on their 75 g oral glucose tolerance test results. Foetal biometric measurements and FLV measurements of the groups were compared. Although there were no significant differences in the standard biometric measurements between the two groups, FLV was significantly higher in the women with GDM (p < .01). The ROC analysis implied that with a cut-off value of FLV of 32.72 cm for GDM prediction, the sensitivity was 78.8% and specificity was 56.3%. We suggest that FLV measurements during the second-trimester ultrasound scanning may be a tool for the prediction of GDM in the obstetric population. Impact statement What is already known on this subject? GDM is an important pregnancy disease, because of its possible foetal and maternal complications. Besides the standard biometric measurements, some other foetal body dimensions such as the anterior abdominal wall thickness, skinfold thickness, adipose tissue thickness, Wharton's jelly thickness, foetal liver length and foetal liver volume (FLV) have been evaluated as ultrasound parameters of glycaemic control. While the evaluation of foetal liver dimensions has a role in identifying foetal growth acceleration, previous studies addressed patients with insulin-dependent diabetes mellitus rather than gestational diabetes mellitus, utilised two-dimensional ultrasound and did not argue the diagnostic value of these findings. What do the results of this study add? In our study, besides the standard biometric measurements, the FLV measurements were evaluated by a three-dimensional ultrasound. Although there were no significant differences in the standard biometric measurements between the GDM (+) and GDM (-) groups, the FLV was significantly higher in women with GDM. The FLV was found to be a potential predictive factor for GDM. The ROC analysis implied that as a cut-off value of FLV of 32.72 cm for GDM prediction, the sensitivity was 78.8% and the specificity was 56.3%. What are the implications of these findings for clinical practise and/or further research? Screening for GDM with oral glucose tolerance test within the limited weeks of gestation may not always be feasible. On the other hand, the mid-trimester ultrasound scanning is done almost in all pregnancies. Accordingly, FLV measurement might be an alternative method for the GDM diagnosis.
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http://dx.doi.org/10.1080/01443615.2018.1434136DOI Listing
October 2018

Effect of Betamethasone on Fetal Pulmonary and Umbilical Artery Doppler Velocimetry and Relationship With Respiratory Distress Syndrome Development.

J Ultrasound Med 2017 Dec 19;36(12):2441-2445. Epub 2017 Jun 19.

Gynecology and Obstetrics Clinic, Süleymaniye Maternity Research and Education Hospital, Istanbul, Turkey.

Objectives: Respiratory distress syndrome (RDS) is a major cause of neonatal morbidity and mortality. It is primarily a disease of premature neonates. The aim of this study was to evaluate the impact of maternal betamethasone administration on the fetal pulmonary arteries (PAs) and umbilical arteries (UAs) and the correlation between RDS development and PA Doppler results.

Methods: Forty singleton pregnancies between 24 and 34 gestational weeks with a diagnosis of preterm birth were included prospectively. They received corticosteroids to enhance fetal lung maturity. Fetal PA and UA Doppler parameters were evaluated before and 48 to 72 hours after steroid administration. Maternal records were matched to neonatal charts, and demographic and outcome data were abstracted.

Results: There were no differences between groups for maternal age, body mass index, mode of delivery, and mean GA at steroid administration. Apgar scores at 1 and 5 minutes were significantly lower for neonates who developed RDS (P < .05). There were no statistically significant differences in PA Doppler results between fetuses who developed RDS and those who did not, and there were no significant differences in PA Doppler results before and after steroid administration for both groups. The UA pulsatility and resistive indices were significantly lower after steroid administration for the neonates who developed RDS (P < .05).

Conclusions: There were no significant differences in PA Doppler indices for fetuses with or without RDS after steroid administration.
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http://dx.doi.org/10.1002/jum.14280DOI Listing
December 2017

Ramadan fasting and pregnancy: implications for fetal development in summer season.

J Perinat Med 2015 May;43(3):319-23

Aims: In the Islamic religion, Ramadan is a month in the year that is passed by fasting. Healthy adult individuals are prohibited to eat, drink, and smoke from sunrise to sunset. In the present study, our aim was to assess the relation of Ramadan fasting with fetal development and maternal-fetal Doppler indices in pregnant women.

Methods: This is a prospective case-control study carried out in the month of Ramadan in 2013 (9 July-7 August). One hundred and six pregnant women at the second and third trimesters of pregnancy were enrolled into the study. The sample size of the fasting group was 83 and the non-fasting group sample size was also 83. Fetal biometric measurements, such as biparietal diameter, head circumference, abdominal circumference, femur length, estimated fetal weight, amniotic fluid index, and Doppler indices of both uterine and umbilical arteries were evaluated by gray scala and color Doppler ultrasound at the beginning and end of Ramadan.

Results: At the end of the Ramadan, increase in biparietal diameter, head circumference, and femur length showed a statistically significant difference from initial measurements (P<0.05). When fasting and non-fasting groups were compared separately, an increase in amniotic fluid index was statistically significant in the non-fasting group (P<0.05).

Conclusion: We demonstrated some adverse effects of Ramadan fasting on fetal development. In the Islamic religion, pregnant individuals have the privilege of not fasting; therefore, they should consider postponing fasting to the postpartum period, especially in the summer season. If they are willing to do so, an appropriate nutritional program should be recommended.
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http://dx.doi.org/10.1515/jpm-2013-0289DOI Listing
May 2015
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