BJOG : an international journal of obstetrics and gynaecology · 2017
Preterm birth prevention in twin pregnancies with progesterone, pessary, or cerclage: a systematic review and meta-analysis.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод в очереди
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Jarde A, Lutsiv O, Park C K, Barrett J, Beyene J, Saito S, Dodd J M, Shah P S, Cook J L, Biringer A B, Giglia L, Han Z, Staub K, Mundle W, Vera C, Sabatino L, Liyanage S K, McDonald S D
Аннотация
BACKGROUND: About half of twin pregnancies deliver preterm, and it is unclear whether any intervention reduces this risk.
OBJECTIVES: To assess the evidence for the effectiveness of progesterone, cerclage, and pessary in twin pregnancies.
SEARCH STRATEGY: We searched Medline, EMBASE, CINAHL, Cochrane Central Register of Controlled Trials, and ISI Web of Science, without language restrictions, up to 25 January 2016.
SELECTION CRITERIA: Randomised controlled trials of progesterone, cerclage, or pessary for preventing preterm birth in women with twin pregnancies, without symptoms of threatened preterm labour.
DATA COLLECTION AND ANALYSIS: Two independent reviewers extracted data using a piloted form. Study quality was appraised with the Cochrane Risk of Bias tool. We performed pairwise inverse variance random-effects meta-analyses.
MAIN RESULTS: We included 23 trials (all but three were considered to have a low risk of bias) comprising 6626 women with twin pregnancies. None of the interventions significantly reduced the risk of preterm birth overall at <34 or <37 weeks of gestation, or neonatal death, our primary outcomes, compared to a control group. In women receiving vaginal progesterone, the relative risk (RR) of preterm birth <34 weeks of gestation was 0.82 (95% CI 0.64-1.05, seven studies, I2 36%), with a significant reduction in some key secondary outcomes, including very low birthweight (<1500 g, RR 0.71, 95% CI 0.52-0.98, four studies, I2 46%) and mechanical ventilation (RR 0.61, 95% CI 0.45-0.82, four studies, I2 22%).
CONCLUSION: In twin gestations, although no overarching intervention was beneficial for the prevention of preterm birth and its sequelae, vaginal progesterone improved some important secondary outcomes.
TWEETABLE ABSTRACT: Vaginal progesterone may be beneficial in twin pregnancies, but not 17-OHPC, cerclage, or pessary.
OBJECTIVES: To assess the evidence for the effectiveness of progesterone, cerclage, and pessary in twin pregnancies.
SEARCH STRATEGY: We searched Medline, EMBASE, CINAHL, Cochrane Central Register of Controlled Trials, and ISI Web of Science, without language restrictions, up to 25 January 2016.
SELECTION CRITERIA: Randomised controlled trials of progesterone, cerclage, or pessary for preventing preterm birth in women with twin pregnancies, without symptoms of threatened preterm labour.
DATA COLLECTION AND ANALYSIS: Two independent reviewers extracted data using a piloted form. Study quality was appraised with the Cochrane Risk of Bias tool. We performed pairwise inverse variance random-effects meta-analyses.
MAIN RESULTS: We included 23 trials (all but three were considered to have a low risk of bias) comprising 6626 women with twin pregnancies. None of the interventions significantly reduced the risk of preterm birth overall at <34 or <37 weeks of gestation, or neonatal death, our primary outcomes, compared to a control group. In women receiving vaginal progesterone, the relative risk (RR) of preterm birth <34 weeks of gestation was 0.82 (95% CI 0.64-1.05, seven studies, I2 36%), with a significant reduction in some key secondary outcomes, including very low birthweight (<1500 g, RR 0.71, 95% CI 0.52-0.98, four studies, I2 46%) and mechanical ventilation (RR 0.61, 95% CI 0.45-0.82, four studies, I2 22%).
CONCLUSION: In twin gestations, although no overarching intervention was beneficial for the prevention of preterm birth and its sequelae, vaginal progesterone improved some important secondary outcomes.
TWEETABLE ABSTRACT: Vaginal progesterone may be beneficial in twin pregnancies, but not 17-OHPC, cerclage, or pessary.