5 research outputs found

    The comparison of the perinatal outcomes in monochorionic twin pregnancies with and without selective intrauterine growth restriction

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    Objective Both fetuses may be affected negatively as a result of the non-equal share of the placenta and vascular anastomoses in monochorionic pregnancies with selective intrauterine growth restriction (sIUGR). In our study, we aimed to investigate the perinatal outcomes of both larger and smaller fetuses in monochorionic pregnancies with and without sIUGR (non-sIUGR) separately. Methods A total of 196 monochorionic twin pregnancies were evaluated retrospectively between January 2013 and January 2019. The cases were grouped as sIUGR and non-sIUGR pregnancies. The pregnancies with sIUGR were also separated into sub-groups as the cases with normal umbilical flow pattern and the cases with abnormal umbilical flow pattern. The perinatal outcomes were investigated separately between the groups for larger and smaller fetuses. Results Of 153 monochorionic pregnancies included in the study, 17.6% (n=27) were sIUGR cases and 82.4% (n=126) were non-sIUGR cases. While the umbilical artery flow pattern was normal in 59.3% (n=16) of the pregnancies which developed sIUGR, 40.7% (n=11) of them had abnormal umbilical artery flow pattern. The preeclampsia rate was found significantly higher in sIUGR pregnancies than non-sIUGR pregnancies (25.9% vs. 11.1%, p=0.042). The need for intensive care for both larger and smaller newborns was significantly higher in sIUGR pregnancies compared to non-sIUGR pregnancies (p<0.001). Three (11.1%) of newborns in sIUGR pregnancies passed away during neonatal period. All of the newborns that passed away were the smaller newborns from sIUGR pregnancies with abnormal umbilical artery flow pattern. Conclusion The pregnancies with selective intrauterine growth restriction (sIUGR) are more associated with high risks in terms of perinatal outcomes compared to the pregnancies with non-sIUGR. In pregnancies developing sIUGR, the risk increases for larger fetus as well as smaller fetus. More prospective studies are needed to investigate whether this increased risk in the pregnancies with sIUGR is associated with prematurity which is more common or is a result of sIUGR

    Advantages and limitations of QF-PCR analysis in invasive prenatal genetic diagnosis: a tertiary center experience from Turkey

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    Objective: The aim of this study was to investigate the success and reliability of QF-PCR analysis in detecting chromosomal abnormalities and to determine its advantages and limitations. Methods: Patients who underwent karyotype and QF-PCR analysis as a prenatal invasive diagnostic test in a tertiary center were retrospectively analyzed. Invasive genetic test indications, ultrasonographic fetal screening reports, karyotype and QF-PCR analysis results of the patients were obtained from the electronic data system. Karyotypes were classified as normal, common aneuploidies (trisomies 21, 18, 13, and sex chromosome aneuploidies) and other aneuploidies. QF-PCR analysis and karyotype results were compared for inconsistency. Results: A total of 426 cases (41 [9.6%] chorionic villus sampling, 339 [79.6%] amniocentesis and 46 [10.8%] cordocentesis) were included in the study. The most common indication for prenatal invasive diagnostic testing was fetal structural anomalies (36.7%). Aneuploidy was detected in 61 (14.3%) of the fetuses. Fifty-nine (96.7%) of 61 fetuses with aneuploidy were common aneuploidies. The sensitivity and specificity of the QF-PCR analysis in detecting common aneuploidies was 100%. QF-PCR analysis was indicative if not diagnostic in all fetuses with mosaic trisomy or sex chromosome aneuploidies. Conclusion: QF-PCR analysis is a rapid, robust, and reliable test for the prenatal detection of common aneuploidies. Although QF-PCR analysis has high sensitivity and specificity in detecting common aneuploidies, it should be used for rapid preliminary information and the result of karyotype analysis should be awaited for important clinical decisions

    Importance of isolated minor findings on fetal ultrasound examinations in the diagnosis of Down syndrome

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    Objective: To investigate the importance of prenatal ultrasound in the detection of Down syndrome by evaluating ultrasonographic and minor ultrasonographic findings in fetuses with this aneuploidy. Methods: Patients who were reported to have trisomy 21 as a result of karyotype analysis performed by cordocentesis, amniocentesis, or chorionic villus biopsy materials and who underwent ultrasound scan before diagnosis between 18 and 26 weeks of gestation by the Maternal Fetal Medicine Department between 2013 and 2020 were included in the study group. Results: The results of 132 of 4525 (2.9%) invasive procedures were reported to have trisomy 21 and ultrasound scans of each fetus were performed in our department. The mean gestational age at the ultrasound scans was 19.2±3.8 (SD) weeks. At least one major structural anomaly or minor ultrasonographic finding was detected in 99.2% of all fetuses. Major structural anomalies were present in 80 (60.6%) fetuses. In fetuses with major structural anomalies, cardiac defects (53.7%) were the most detected anomalies. No ultrasound findings could be detected in one (0.8%) of the remaining 52 patients, and only isolated minor findings were detected in 51 (38.6%) fetuses. More than half (60.7%) of these fetuses had a single minor finding. The most common isolated single minor finding was nuchal fold thickness in 13 (41.9%) fetuses followed by aberrant right subclavian artery in six (19.3%) fetuses. Conclusion: Down syndrome displays a large variety of different sonographic findings on fetal ultrasound. Although major structural anomalies and multiple minor findings are generally considered more important, the presence of any isolated minor marker may be the only detectable finding of Down syndrome

    Positive effects of fetal echocardiography on maternal anxiety: a prospective study in a tertiary center in Turkey

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    Aim: The aim of this study was to determine the anxiety levels of pregnant women who were referred to a tertiary center for fetal echocardiography (FE) and the effect of FE results on maternal anxiety. Methods: This prospective study was conducted between January 2020 and February 2021 and included 118 pregnant women. The anxiety levels of the participants were evaluated with the Spielberger State-Trait Anxiety Inventory, which evaluates state (STAI-I) and trait (STAI-II) anxiety. STAI-I and STAI-II were administered to participants at first admission using a standard interview technique prior to FE. After the FE was completed, a structured interview was performed and the state anxiety index (STAI-I-R) was re-administered to the participants. Results: Severe congenital heart disease (CHD) was detected in 63 (53.4%) fetuses. The participants’ mean STAI-I scores were significantly higher than their mean STAI-II scores (44.19 ± 8.56 and 41.98 ± 5.98, respectively, t = 2.59 and p = 0.011). In pregnant women with fetuses with severe CHD, STAI-I-R scores were significantly lower compared to STAI-I scores (43.48 ± 7.97 and 46.28 ± 7.18, respectively, t = 2.13 and p = 0.037). Conclusion: Referral for FE is associated with increased maternal anxiety, and a structured interview may result in reduced anxiety levels even in those with abnormal FE

    Intraamniotic digoxin administration versus intracardiac or funic potassium chloride administration to induce foetal demise before termination of pregnancy: a prospective study

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    Different foeticide techniques and pharmacological agents have been used to achieve foetal asystole. This study aimed to compare the success of intraamniotic digoxin, intracardiac potassium chloride (KCl), and funic KCl in achieving foetal asystole and discuss procedural difficulties for physicians and clinical outcomes. This prospective observational study included 124 patients who received foeticide at 22–31 weeks of gestation. All procedures were performed transabdominally, and 1 mg of intraamniotic digoxin, funic KCl, or intracardiac KCl was administered. Procedure times, procedural difficulty scores, patient pain scores, decrease in haematocrit levels, induction and hospitalisation times, and the presence of chorioamnionitis were recorded. The foeticide success rates were 93.0, 95.1, and 97.5% for intraamniotic digoxin, intracardiac KCl, and funic KCl, respectively. Intraamniotic digoxin was associated with shorter procedure times, lower procedural difficulty scores, and lower patient pain scores (p < 0.001). Decreases in haematocrit, induction times, and chorioamnionitis were similar in all three procedures. Success rates and clinical results were similar for all three procedures. Foeticide with intra-amniotic digoxin has a high success rate, the procedure is easier to perform, and patients experience less procedural pain.IMPACT STATEMENT What is already known on this subject? Different foeticide techniques and pharmacological agents have been used to achieve foetal asystole. Pharmacological agents used in the foeticide procedure can be injected as intracardiac, funic, intrafetal, or intraamniotic, and the most commonly used are potassium chloride (KCl), digoxin, and lidocaine. What do the results of this study add? The success rates and clinical outcomes in achieving foetal asystole are similar for intracardiac KCl, funic KCl, and intra-amniotic digoxin procedures. Foeticide with intra-amniotic digoxin is less difficult to perform, and patients experience less pain associated with the procedure. All three techniques appear to be safe and have similar short-term obstetric outcomes. What are the implications of these findings for clinical practice and/or further research? Physicians may prefer foeticide with intra-amniotic digoxin as the procedure is technically simpler and has similar success rates to intracardiac or funic KCl administration. A prospective randomised study could better compare the advantages and limitations of the foeticide techniques
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