Mian Pan1, Jun Zhang2, Wenqiang Zhan3, Xia Ouyang4, Xiaoxiang Jiang1, Danlin Yang1. 1. Department of Obstetrics and Gynecology, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou, 350108, Fujian, China. 2. Department of Obstetrics and Gynecology, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou, 350108, Fujian, China. 175695401@qq.com. 3. School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, People's Republic of China. 4. Department of Neonatology, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou, 350108, Fujian, China.
Abstract
PURPOSE: This study aimed to evaluate the efficacy of physical examination-indicated cerclage in twin pregnancies and compare it with those that received conservative management. METHODS: We used a retrospective cohort study design of asymptomatic twin pregnancies identified with physical examination indications at 14-26 weeks from 2015 through 2019 at Fujian Maternity and Child Health Hospital. The primary outcomes were gestational age (GA) at delivery and the incidence of spontaneous preterm birth (SPTB) at < 34 weeks, < 32 weeks, < 28 weeks, and < 24 weeks. The main secondary outcomes were latency period from diagnosis to delivery, composite neonatal adverse outcome and neonatal survival at discharge. RESULTS: Thirty-one women with twin pregnancies were managed with physical examination-indicated cerclage, and another 31 received expectant management. The demographic characteristics of the two groups were not significantly different. GA at delivery was significantly later in the cerclage group than in the controls: 32.53 ± 4.78 vs. 27.53 ± 4.15 weeks, with a mean difference of 5.00 weeks [95% confidence interval (CI), 2.73-7.28]. There were significant decreases in the incidence of spontaneous preterm birth (SPTB) at < 34 weeks, < 32 weeks, < 28 weeks, and < 24 weeks in the cerclage group. The interval from diagnosis to delivery was increased with cerclage by a mean difference of 4.37 weeks (95% CI, 1.96-7.06). Regarding neonatal outcome, the perinatal mortality rate in the cerclage group was significantly reduced compared to that in the control group [8/62 (12.9%) vs. 26/62 (41.9%); P < 0001]. Likewise, the neonatal intensive care unit (NICU) admissions, length of stay in the NICU, and composite adverse neonatal outcome in the cerclage group were significantly reduced. CONCLUSION: Physical examination-indicated cerclage was associated with significantly later GA at delivery, longer latency period from diagnosis to delivery, decreased incidence of SPTB at any given GA, and improved perinatal outcome compared with the corresponding measures in controls treated conservatively.
PURPOSE: This study aimed to evaluate the efficacy of physical examination-indicated cerclage in twin pregnancies and compare it with those that received conservative management. METHODS: We used a retrospective cohort study design of asymptomatic twin pregnancies identified with physical examination indications at 14-26 weeks from 2015 through 2019 at Fujian Maternity and Child Health Hospital. The primary outcomes were gestational age (GA) at delivery and the incidence of spontaneous preterm birth (SPTB) at < 34 weeks, < 32 weeks, < 28 weeks, and < 24 weeks. The main secondary outcomes were latency period from diagnosis to delivery, composite neonatal adverse outcome and neonatal survival at discharge. RESULTS: Thirty-one women with twin pregnancies were managed with physical examination-indicated cerclage, and another 31 received expectant management. The demographic characteristics of the two groups were not significantly different. GA at delivery was significantly later in the cerclage group than in the controls: 32.53 ± 4.78 vs. 27.53 ± 4.15 weeks, with a mean difference of 5.00 weeks [95% confidence interval (CI), 2.73-7.28]. There were significant decreases in the incidence of spontaneous preterm birth (SPTB) at < 34 weeks, < 32 weeks, < 28 weeks, and < 24 weeks in the cerclage group. The interval from diagnosis to delivery was increased with cerclage by a mean difference of 4.37 weeks (95% CI, 1.96-7.06). Regarding neonatal outcome, the perinatal mortality rate in the cerclage group was significantly reduced compared to that in the control group [8/62 (12.9%) vs. 26/62 (41.9%); P < 0001]. Likewise, the neonatal intensive care unit (NICU) admissions, length of stay in the NICU, and composite adverse neonatal outcome in the cerclage group were significantly reduced. CONCLUSION: Physical examination-indicated cerclage was associated with significantly later GA at delivery, longer latency period from diagnosis to delivery, decreased incidence of SPTB at any given GA, and improved perinatal outcome compared with the corresponding measures in controls treated conservatively.
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