BJOG : an international journal of obstetrics and gynaecology · 2013
Sequential cervical length screening in pregnancies after loop excision of the transformation zone conisation: a retrospective analysis.
Оценочное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Pils S, Eppel W, Seemann R, Natter C, Ott J
Аннотация
OBJECTIVE: To review our experience with a screening programme that included four sequential cervical length (CL) measurements from 16 to 22( ) weeks of gestation.
DESIGN: Historical cohort study.
SETTING: Tertiary-care centre in a university hospital.
POPULATION: There were 312 singleton pregnancies in 321 women with a previous large loop excision of the transformation zone (LLETZ), and 62 pregnancies after a second-trimester miscarriage in a previous pregnancy.
METHODS: The CL measurements were performed by transvaginal ultrasound at 16, 18, 20, and 22 completed weeks of gestation.
MAIN OUTCOME MEASURES: Early preterm delivery before 34 completed weeks of gestation.
RESULTS: Early preterm delivery was found in 7.4%. The CL at 16 completed weeks of gestation was smaller in the LLETZ group (36 mm, interquartile range 30-40 mm) compared with the control group (38 mm, interquartile range 32-42 mm; P = 0.040). For the analysis of risk factors for early preterm delivery after LLETZ, only cases with a complete data set were included (n = 145). In a multivariate analysis, two parameters remained significantly predictive, with CL at 16 completed weeks of gestation being the most significant measure (P < 0.001, OR 0.90, 95% CI 0.83-0.98), followed by conception using IVF treatment (P = 0.031, OR 0.64, 95% CI 1.54-34.80).
CONCLUSIONS: Even as early as 16 weeks of gestation, women with early preterm delivery reveal a significantly lower CL than those without. Dynamics in the CL do not add to this information.
DESIGN: Historical cohort study.
SETTING: Tertiary-care centre in a university hospital.
POPULATION: There were 312 singleton pregnancies in 321 women with a previous large loop excision of the transformation zone (LLETZ), and 62 pregnancies after a second-trimester miscarriage in a previous pregnancy.
METHODS: The CL measurements were performed by transvaginal ultrasound at 16, 18, 20, and 22 completed weeks of gestation.
MAIN OUTCOME MEASURES: Early preterm delivery before 34 completed weeks of gestation.
RESULTS: Early preterm delivery was found in 7.4%. The CL at 16 completed weeks of gestation was smaller in the LLETZ group (36 mm, interquartile range 30-40 mm) compared with the control group (38 mm, interquartile range 32-42 mm; P = 0.040). For the analysis of risk factors for early preterm delivery after LLETZ, only cases with a complete data set were included (n = 145). In a multivariate analysis, two parameters remained significantly predictive, with CL at 16 completed weeks of gestation being the most significant measure (P < 0.001, OR 0.90, 95% CI 0.83-0.98), followed by conception using IVF treatment (P = 0.031, OR 0.64, 95% CI 1.54-34.80).
CONCLUSIONS: Even as early as 16 weeks of gestation, women with early preterm delivery reveal a significantly lower CL than those without. Dynamics in the CL do not add to this information.
Предметные рубрики MeSH
Abortion, SpontaneousAdolescentAdultCervical Length MeasurementCervix UteriConizationFemalePremature Rupture of Fetal MembranesGestational AgeHumansMiddle AgedObstetric Labor, PrematureOdds RatioPostoperative ComplicationsPredictive Value of TestsPregnancyPregnancy Trimester, SecondPremature BirthRetrospective StudiesRisk FactorsSensitivity and SpecificityUterine Cervical NeoplasmsYoung AdultUterine Cervical Dysplasia