Delivery outcomes in the subsequent pregnancy following the conservative management of placenta accreta spectrum disorder: a systematic review and meta-analysis

Ali Javinani, Shohra Qaderi, Kamran Hessami, Scott A. Shainker, Amir A. Shamshirsaz, Karin A. Fox, Hiba J. Mustafa, Akila Subramaniam, Meena Khandelwal, Adam T. Sandlin, Christina M. Duzyj, Deirdre J. Lyell, Lisa C. Zuckerwise, J. M. Newton, John C. Kingdom, Rachel K. Harrison, Vineet K. Shrivastava, Andrea L. Greiner, Ryan Loftin, Mehmet R. GencLamia K. Atasi, Sonya S. Abdel-Razeq, Kelly A. Bennett, Daniela A. Carusi, Brett D. Einerson, Jennifer B. Gilner, Alissa R. Carver, Robert M. Silver, Alireza A. Shamshirsaz

Research output: Contribution to journalReview articlepeer-review

2 Scopus citations

Abstract

Objective: Cesarean hysterectomy is generally presumed to decrease maternal morbidity and mortality secondary to placenta accreta spectrum disorder. Recently, uterine-sparing techniques have been introduced in conservative management of placenta accreta spectrum disorder to preserve fertility and potentially reduce surgical complications. However, despite patients often expressing the intention for future conception, few data are available regarding the subsequent pregnancy outcomes after conservative management of placenta accreta spectrum disorder. Thus, we aimed to perform a systematic review and meta-analysis to assess these outcomes. Data Sources: PubMed, Scopus, and Web of Science databases were searched from inception to September 2022. Study Eligibility Criteria: We included all studies, with the exception of case studies, that reported the first subsequent pregnancy outcomes in individuals with a history of placenta accreta spectrum disorder who underwent any type of conservative management. Methods: The R programming language with the “meta” package was used. The random-effects model and inverse variance method were used to pool the proportion of pregnancy outcomes. Results: We identified 5 studies involving 1458 participants that were eligible for quantitative synthesis. The type of conservative management included placenta left in situ (n=1) and resection surgery (n=1), and was not reported in 3 studies. The rate of placenta accreta spectrum disorder recurrence in the subsequent pregnancy was 11.8% (95% confidence interval, 1.1–60.3; I2=86.4%), and 1.9% (95% confidence interval, 0.0–34.1; I2=82.4%) of participants underwent cesarean hysterectomy. Postpartum hemorrhage occurred in 10.3% (95% confidence interval, 0.3–81.4; I2=96.7%). A composite adverse maternal outcome was reported in 22.7% of participants (95% confidence interval, 0.0–99.4; I2=56.3%). Conclusion: Favorable pregnancy outcome is possible following successful conservation of the uterus in a placenta accreta spectrum disorder pregnancy. Approximately 1 out of 4 subsequent pregnancies following conservative management of placenta accreta spectrum disorder had considerable adverse maternal outcomes. Given such high incidence of adverse outcomes and morbidity, patient and provider preparation is vital when managing this population.

Original languageEnglish (US)
JournalAmerican journal of obstetrics and gynecology
DOIs
StateAccepted/In press - 2023
Externally publishedYes

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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