Total hysterectomy versus uterine evacuation for preventing post-molar gestational trophoblastic neoplasia in patients who are at least 40 years old: a systematic review and meta-analysis

Abstract

Background

The clinical value of total hysterectomy for patients with hydatidiform mole (HM) being at least 40 years old remains highly controversial. Since the practice of hysterectomy has been applied globally for decades, there is an urgent need to perform a systematic review to assess its risks and benefits.

Methods

Six electronic databases, including four English databases and one Chinese database, were searched from the inception of each database till October 6th 2017. Studies were included if they: 1) were human studies, 2) explicitly indicated exposure to hysterectomy, 3) explicitly indicated control to uterine evacuation, 4) explicitly indicated the participants were older patients with HM being at least 40 years in age, 5) compared the outcome of interest as the incidence of post-molar GTN. Two authors independently conducted the literature search, study selection, data extraction. Pooled odds ratios were analyzed using Review Manager 5.3.

Results

The overall pooled effect size of total hysterectomy had a significant advantage in preventing post-molar gestational trophoblastic neoplasia over uterine evacuation with an OR of 0.19 (95% CI, 0.08–0.48; P = 0.0004) and a low heterogeneity (I² = 21%, P = 0.28). Subgroup analysis and sensitivity analysis also showed similar results.

Conclusions

Total hysterectomy, as compared to uterine evacuation, is a better therapeutic method for patients with HM being at least 40 years old unless fertility is still desired.

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