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- Title
Nuchal translucency measurement: who is right, who is not?
- Authors
Korkmazer, Engin; Arslan, Emine; Akkurt, Özgür; Temur, Muzaffer; Çift, Tayfur
- Abstract
Objective: Fetal nuchal translucency (NT) measurement at first trimester provides prediction for fetal aneuploidy and cardiac anomalies. Performance of NT as a screening marker has not been consistent in studies. Measurement of NT has high intra- and interobserver variability. Radiologists, obstetricians and perinatology experts measure the NT. There is no consensus about who should perform the NT measurement. In this study we compared the correlation of NT measurement in three groups depend on mean thickness and distribution of NT. Methods: A total of 929 participants were recruited for this study. 7 radiologists, 8 obstetricians and 1 perinatology expert measured NT. Crown-rump length (CRL), mean NT and NT distribution were calculated for each group. Results: Perinatology expert's mean NT measurement was significantly higher than that of radiologists and obstetricians (p<0.05). Measurements of the perinatal expert also had significantly different distribution than other groups (p<0.05). There was no significant difference between the groups in terms of CRL values. Interobserver reliability coefficients with 95% confidence intervals for CRL and NT were 0.967 (0.910-0.987, p<0.001) and 0.596 (0.455-0.845, p<0.001), respectively. Conclusion: There are statistically significant differences for mean NT value and distribution in three groups. Measurements of the perinatal expert has higher mean thickness and distribution. It is obvious that there is a need for standardization in NT measurement and it is necessary to evaluate the perinatal outcomes of these three groups and to approximate the two groups with the most accurate result group.
- Subjects
FETAL imaging; FETAL anatomy; PERINATOLOGY; OBSTETRICIANS; ANEUPLOIDY
- Publication
Perinatal Journal / Perinatoloji Dergisi, 2018, Vol 26, Issue 2, p64
- ISSN
1300-5251
- Publication type
Article
- DOI
10.2399/prn.18.0262002