The diagnostic value of a detailed first trimester anomaly scan in fetuses with increased nuchal translucency thickness
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Ismail Tekesin
Abstract
Objectives
To assess the diagnostic value of an early anomaly scan in fetuses with increased nuchal translucency (NT) in the prediction of aneuploidy.
Methods
In this study we analyzed the data of pregnant women obtained at their first trimester screening in our unit. The detailed examination routinely includes measurement of NT and a scan for anatomical defects. For fetuses with an NT≥3.5 mm, the diagnostic power of early major sonographic findings (MSF) regarding abnormal karyotype was calculated.
Results
A total of 7352 first trimester examinations were screened. Two hundred and twenty-two fetuses with an NT≥3.5 mm were analyzed. The median gestational age was 12.5 weeks (range 11.0–14.6) and the median NT was 5.1 mm (range 3.5–15.3). MSF were detected in 51.8% of fetuses with increased NT. Among 115 fetuses with MSF, 91 were aneuploid, yielding a positive predictive value for aneuploidy of 79.1%. In the absence of MSF, the negative predictive value was 70.1%. The presence of MSF was significantly predictive for aneuploidy both in bivariate and multivariate regression analysis.
Conclusion
Our study underlines the importance of a detailed anatomical ultrasound in fetuses with increased NT, as MSF occurred frequently. However, the diagnostic value of MSF regarding aneuploidies appears to be moderate.
Acknowledgments
The author wishes to thank Karolina Siciliano for the dedicated management of the database, Dr. Silke Lange for statistical analysis and Dr. Sonja Hergeth for medical writing assistance.
Author contributions: The author has accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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©2019 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
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- Ultrasound Doppler waveform assessment: the story continues
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- Association between increased antenatal vaginal pH and preterm birth rate: a systematic review
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- Update on uterine tachysystole
- Research Articles – Obstetrics
- First trimester prediction of gestational diabetes mellitus using plasma biomarkers: a case-control study
- Emergency peripartal hysterectomy – a single-center analysis of the last 13 years at a tertiary perinatal care unit
- Efficacy and safety of misoprostol vaginal insert vs. oral misoprostol for induction of labor
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- Research Articles – Fetus
- Effect of psychotropic drugs on fetal behavior in the third trimester of pregnancy
- Prognostic value of the aortic isthmus Doppler assessment on late onset fetal growth restriction
- Doppler evaluation of the fetal pulmonary artery pressure
- Mechanisms of death in structurally normal stillbirths
- The diagnostic value of a detailed first trimester anomaly scan in fetuses with increased nuchal translucency thickness
- Research Articles – Newborn
- Small for gestational age and extremely low birth weight infant outcomes
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Artikel in diesem Heft
- Frontmatter
- Editorial
- Ultrasound Doppler waveform assessment: the story continues
- Review
- Association between increased antenatal vaginal pH and preterm birth rate: a systematic review
- Mini Review
- Update on uterine tachysystole
- Research Articles – Obstetrics
- First trimester prediction of gestational diabetes mellitus using plasma biomarkers: a case-control study
- Emergency peripartal hysterectomy – a single-center analysis of the last 13 years at a tertiary perinatal care unit
- Efficacy and safety of misoprostol vaginal insert vs. oral misoprostol for induction of labor
- Vitamin A and β-carotene in pregnant and breastfeeding post-bariatric women in an urban population
- Effect of dual tocolysis with fenoterol and atosiban in human myometrium
- Antecedents of red cell transfusion in a large contemporary obstetric cohort
- Effect of n-3 long-chain polyunsaturated fatty acids supplementation in healthy mothers on DHA and EPA profiles in maternal and umbilical blood: a randomized controlled trial
- Research Articles – Fetus
- Effect of psychotropic drugs on fetal behavior in the third trimester of pregnancy
- Prognostic value of the aortic isthmus Doppler assessment on late onset fetal growth restriction
- Doppler evaluation of the fetal pulmonary artery pressure
- Mechanisms of death in structurally normal stillbirths
- The diagnostic value of a detailed first trimester anomaly scan in fetuses with increased nuchal translucency thickness
- Research Articles – Newborn
- Small for gestational age and extremely low birth weight infant outcomes
- Does heart rate variability improve prediction of failed extubation in preterm infants?
