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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.7
- 수록면
- 329 - 335 (7page)
- DOI
- https://doi.org/10.5468/ogs.2017.60.4.329
이용수
초록· 키워드
오류제보하기
Objective: To assess the predictive capacity of cervical length (CL) measurement underwent during the second trimester ultrasound for prediction preterm birth <32, 34, and 37 weeks of gestation in an unselected risk population.
Methods: A retrospective cohort study was performed with 751 singleton pregnancies between 20 and 24+6 weeks of gestation. The CL measurement (mm) using the transvaginal route was obtained in a sagittal view and the calipers positioned to measure the linear distance between the triangular area of echodensity at the external os and the internal os. To compare the preterm (<37 weeks) and term births (≥37 weeks), we used unpaired t test. We assessed whether the CL measurement was dependent of gestational age by performing a linear regression and assessing the coefficient of determination (R²). We additionally assessed the accuracy of CL measurement to predict preterm birth by assessing the area under receiver operating characteristics curves with its respective confidence intervals (CIs) 95%.
Results: Preterm birth <37 weeks was found in 13.6% (102/751) of pregnant women. Short cervix (≤25 mm) was found in 2.7% (20/751) of pregnancies. Only 30% (6/20) of pregnant women with short cervix have used progesterone to prevent preterm birth. There was a weak correlation between CL measurement and gestational age at delivery (R2=0.01, P=0.002). Receiver operating characteristics curve analysis of the ability of CL measurement to predict preterm birth <32, 34, and 37 weeks, showed an area under the curve of 0.693 (95% CI, 0.512 to 0.874), 0.472 (95% CI, 0.353 to 0.591), 0.490 (95% CI, 0.426 to 0.555), respectively.
Conclusion: There was a weak correlation between CL measurement and gestational age at delivery. In an unselected population, CL measurement screening at 20 to 24+6 weeks of gestation does not seem to be a good predictor of preterm birth.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
Iams JD / 2008 / Primary, secondary, and tertiary interventions to reduce the morbidity and mortality of preterm birth / Lancet 371:164~175
Manuck TA / 2016 / Preterm neonatal morbidity and mortality by gestational age: a contemporary cohort / Am J Obstet Gynecol 215:103
Heath VC / 1998 / Cervical length at 23 weeks of gestation: prediction of spontaneous preterm delivery / Ultrasound Obstet Gynecol 12:312~317
Miller ES / 2015 / Second-trimester cervical length screening among asymptomatic women:an evaluation of risk-based strategies / Obstet Gynecol 126:61~66
Fonseca EB / 2007 / Progesterone and the risk of preterm birth among women with a short cervix / N Engl J Med 357:462~469
Manuck TA / 2016 / Preterm neonatal morbidity and mortality by gestational age: a contemporary cohort / Am J Obstet Gynecol 215:103
Heath VC / 1998 / Cervical length at 23 weeks of gestation: prediction of spontaneous preterm delivery / Ultrasound Obstet Gynecol 12:312~317
Miller ES / 2015 / Second-trimester cervical length screening among asymptomatic women:an evaluation of risk-based strategies / Obstet Gynecol 126:61~66
Fonseca EB / 2007 / Progesterone and the risk of preterm birth among women with a short cervix / N Engl J Med 357:462~469
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