Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/7916
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Type: Journal article
Title: Cervical incompetence prevention randomized cerclage trial (CIRPRACT): Study design and preliminary results
Author: Althuisius, S.
Dekker, G.
van Geijn, H.
Bekedam, D.
Hummel, P.
Citation: American Journal of Obstetrics and Gynecology, 2000; 183(4):823-829
Publisher: Mosby Inc
Issue Date: 2000
ISSN: 0002-9378
Statement of
Responsibility: 
Althuisius, Sietske M. ; Dekker, Gustaaf A. ; van Geijn, Herman P. ; Bekedam, Dick J. ; Hummel, Pieter
Abstract: OBJECTIVE: The objective of this study was to compare different management strategies for women at risk for cervical incompetence. STUDY DESIGN: In an ongoing randomized trial patients with a previous preterm delivery at <34 weeks' gestation who met clinical criteria for the diagnosis of cervical incompetence are allocated to receive a prophylactic cerclage (prophylactic cerclage group) or not (observational group) in a proportion of 1:2. Transvaginal ultrasonographic follow-up examination of the cervix is performed in both groups. When a patient of the latter group has a cervical length <25 mm at <27 weeks' gestation, a further random assignment of therapeutic cerclage or no cerclage is performed. The analysis is by intent to treat. RESULTS: Primary random assignment allocated 23 women to the prophylactic cerclage group and 44 to the observational group. Both groups were comparable with respect to obstetric history. No significant difference was found between the prophylactic cerclage group and the observational group in preterm delivery at <34 weeks' gestation (3/23 vs 6/44, respectively) and neonatal survival (21/23 vs 41/44, respectively). A cervical length <25 mm was found in 18 patients (41%) in the observational group at a mean gestational age of 19.1 ± 2.9 weeks' gestation. Incidence of preterm delivery at <34 weeks' gestation was significantly higher in the group with short cervical length (6/18 vs 0/26; P = .003). Secondary random assignment of the 18 patients with short cervical length allocated 10 to undergo therapeutic cerclage. Preterm delivery at <34 weeks' gestation was significantly less frequent in the therapeutic cerclage group (1/10 vs 5/8). CONCLUSION: Transvaginal ultrasonographic serial follow-up examinations of the cervix in women at risk for cervical incompetence, with secondary intervention as indicated, appears to be a safe alternative to the traditional prophylactic cerclage. Transvaginal ultrasonographic follow-up examination of the cervix can save the majority of women from unnecessary intervention. Placement of a therapeutic cerclage may reduce the incidence of preterm delivery at <34 weeks' gestation among high-risk patients.
Keywords: Cervical incompetence
cervical length
preterm delivery
randomized trial
transvaginal cerclage
Rights: © 2000 Mosby, Inc
DOI: 10.1067/mob.2000.108874
Appears in Collections:Aurora harvest 4
Obstetrics and Gynaecology publications

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