Effect of Hysteroscopic Metroplasty on Reproductive Outcomes in Women with Septate Uterus: Systematic Review and Meta-Analysis

Maria Carrera, Federico Pérez Millan, Juan Luis Alcázar, Luis Alonso, Miguel Caballero, Jose Carugno, Jose Antonio Dominguez, Enrique Moratalla

Research output: Contribution to journalReview articlepeer-review

Abstract

Objective: The aim of this systematic review with meta-analysis is to evaluate the impact of hysteroscopic metroplasty on adverse reproductive outcomes such as miscarriage, preterm birth, and fetal malpresentation in patients with history of infertility or previous poor obstetrical outcomes. Data Sources: A systematic electronic search from inception each database up to April 2021 including the following databases was conducted: PubMed-MEDLINE, EMBASE, Web of Science, The Cochrane Library, the CGF Specialized Register of Controlled Trials, Google Scholar, and trial registries. A combination of the following keywords was used: uterine septum, septate uterus, congenital uterine malformation, class 2 uterus, class V uterus, metroplasty, hysteroscopic, pregnancy, clinical pregnancy, ongoing pregnancy, miscarriage, live birth, preterm birth, cesarean section, ‘cesarean delivery, and fetal malpresentation. Methods of Study Selection: Studies comparing reproductive outcomes between women undergoing hysteroscopic resection of the uterine septum and those with expectant management were included. Eligible population consisted of infertile women, women with poor obstetrical history, or women without previous pregnancy failures and a diagnosis of septate uterus. Tabulation, Integration, and Results: The systematic electronic search retrieved 1076 studies; after elimination of duplicates, 688 titles and abstracts were screened, and 55 were assessed for eligibility. Eleven studies were included in the quantitative synthesis: one randomized controlled trial and 10 observational studies involving reproductive outcomes from 1589 patients with either complete or partial uterine septum. The pooled OR for miscarriage was 0.45, (95% CI, 0.22−0.90). When the analysis was performed considering subgroups according to the type of septum, pooled OR in complete septum subgroup was 0.16 (95% CI, 0.03−0.78), OR = 0.36 (95% CI, 0.19−0.71) in the partial septum subgroup and 0.58 (95% CI, 0.20−1.67) in those studies not differentiating between complete or partial septum. No significant differences were found between the 2 groups in OR of clinical pregnancy, term live birth, or risk of cesarean delivery. There was a significant decrease in the frequency of preterm birth in patients who underwent partial septum resection (OR = 0.30, 95% CI, 0.11−0.79). This difference was detected neither in patients with complete septum nor in studies not differentiating between partial or complete septum. The risk of fetal malpresentation was also significantly reduced (OR = 0.32, 95% CI, 0.16−0.65). Conclusion: The results of the present meta-analysis support that hysteroscopic metroplasty is effective in reducing the risk of miscarriage in patients with complete or partial uterine septum, although these data should be confirmed with a well-designed randomized controlled trial.

Original languageEnglish (US)
JournalJournal of Minimally Invasive Gynecology
DOIs
StateAccepted/In press - 2021

Keywords

  • Hysteroscopic metroplasty
  • Miscarriage
  • Reproductive outcomes
  • Septate uterus
  • Septum resection
  • Uterine septum

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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