Incidence and Clinical Implications of Placenta Accreta Spectrum after Treatment for Asherman Syndrome

Jovana Tavcar, Peter Movilla, Daniela A. Carusi, Megan Loring, Himabindu Reddy, Keith Isaacson, Stephanie N. Morris

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Study Objective: To investigate the incidence, predictors, and clinical implications of placenta accreta spectrum (PAS) in pregnancies after hysteroscopic treatment for Asherman syndrome (AS). Design: This is a retrospective cohort study, conducted through a telephone survey and chart review. Setting: Minimally invasive gynecologic surgery center in an academic community hospital. Patients: Database of 355 patients hysteroscopically treated for AS over 4 years. We identified patients who achieved pregnancy past the first trimester and evaluated the incidence and predictors for PAS as well as associated clinical implications. Interventions: Telephone survey. Measurements and Main Results: We identified 97 patients meeting the inclusion criteria. Among these patients, 23 (23.7%) patients had PAS. History of cesarean delivery was the only variable statistically significantly associated with having PAS (adjusted odds ratio 4.03, 95% confidence interval 1.31–12.39). PAS was diagnosed antenatally in 3 patients (14.3%), with patients having placenta previa more likely to be diagnosed (p <.01). Nine patients (39.13%) with PAS required cesarean hysterectomy, which is 9.3% of those with a pregnancy that progressed past the first trimester. Factors associated with cesarean hysterectomy were the etiology of AS (dilation and evacuation after the second trimester pregnancy or postpartum instrumentation, p <.01), invasive placenta (increta or percreta, p <.05), and history of morbidly adherent placenta in previous pregnancies (p <.05). Two patients with PAS (9.5%) had uterine rupture, and another 2 (9.5%) experienced uterine inversion. Conclusion: There is a high incidence of PAS and associated morbidity in pregnancies after hysteroscopic treatment for AS. There is a low rate of antenatal diagnosis as well as a lack of reliable clinical predictors, which both stress the importance of clinical awareness, careful counseling, and delivery planning.

Original languageEnglish (US)
JournalJournal of Minimally Invasive Gynecology
DOIs
StateAccepted/In press - 2022

Keywords

  • Abnormal placentation
  • Hysteroscopy
  • Intrauterine adhesions

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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