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논문 기본 정보

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저자정보
Park, Ji Eun (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Park, Ji Kwon (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Cho, In Ae (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Baek, Jong Chul (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Kang, Min Young (Institute of Health Sciences, School of Medicine, Gyeongsang National University) Lee, Jae Ik (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Shin, Jeong Kyu (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Choi, Won Jun (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Lee, Soon Ae (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Lee, Jong Hak (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang National University) Paik, Won Young (Department of Obstetrics and Gynecology, School of Medicine, Gyeongsang)
저널정보
대한의학유전학회 Journal of genetic medicine Journal of genetic medicine 제11권 제2호
발행연도
2014.1
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56 - 62 (7page)

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Purpose: To assess the outcomes of increased fetal nuchal translucency (NT), to aid in prenatal counseling and management in our practice. Materials and Methods: We retrospectively reviewed the medical records of patients who underwent first trimester fetal karyotyping using chorionic villi sampling (CVS) and second trimester level II sonography for a fetal NT thickness ${\geq}3.0mm$ between 11 weeks and 13 weeks 6 days' gestation, at Gyeongsang National University Hospital. Pediatric medical records and a telephone interview were used to follow-up live-born children. Exclusion criteria included incomplete data and CVS for other indications. Results: Seventy cases met the inclusion criteria (median NT thickness, 4.7 mm; range, 3.0-16.1 mm). Twenty-nine cases (41.4%) were aneuploid. The prevalence of chromosomal defects increased with NT thickness: NT 3.0-3.4 mm, 16.7%; NT 3.5-4.4 mm, 27.3%; NT 4.5-5.4 mm, 66.7%; NT 5.5-6.4 mm, 37.5%; NT ${\geq}6.5mm$, 62.5%. The most common karyotype abnormality was trisomy 18 (n=12), followed by trisomy 21 (n=9). In chromosomally normal fetuses (n=41), fetal death occurred in 2 cases (4.9%), and structural malformations were found in 11 cases (26.8%). In chromosomally and anatomically normal fetuses (n=28), one child had neurodevelopmental delay (3.6%). Twenty-eight infants who had a prenatal increased NT were alive and well at follow-up (40%). Conclusion: Outcomes of increased fetal NT might help inform prenatal counseling and management. The high prevalence of chromosomal defects associated with increased fetal NT implies that CVS should be performed in the first trimester, particularly considering the stress associated with an uncertain diagnosis.
#Increased fetal nuchal translucency #Chorionic villi sampling #Chromosomal defects #Structural malformations

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참고문헌 (22)

참고문헌 신청
Szabó J / 1990 / Nuchal fluid accumulation in trisomy-21 detected by vaginosonography in first trimester / Lancet 336:1133 google schola Nicolaides KH / 1992 / Fetal nuchal translucency: ultrasound screening for chromosomal defects in first trimester of pregnancy / BMJ 304:867~869 google schola Sheppard C / 2007 / Nuchal translucency and first trimester risk assessment: a systematic review / Ultrasound Q 23:107~116 google schola Bilardo CM / 1998 / Outcome of fetuses with enlarged nuchal translucency and normal karyotype / Ultrasound Obstet Gynecol 11:401~406 google schola Koos BJ / 2006 / First-trimester screening: lessons from clinical trials and implementation / Curr Opin Obstet Gynecol 18:152~155 google schola

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