Ultrasound-guided manual vacuum aspiration (USG-MVA) with cervical preparation for early pregnancy loss: A cost-effectiveness analysis

Jacqueline Pui-Wah Chung, Ginenus Fekadu, Daljit Singh Sahota, Tak-Yeung Leung and Joyce H S You

PLOS ONE, 2023, vol. 18, issue 11, 1-10

Abstract: Background and aim: Approximately one in four women will experience a miscarriage in their lifetime. Ultrasound-guided manual vacuum aspiration (USG-MVA) is an ideal outpatient surgical treatment alternative to traditional surgical evacuation. We aimed to examine the cost-effectiveness of US-MVA with cervical preparation for treatment of early pregnancy loss from the perspective of public healthcare provider of Hong Kong. Methods: A decision-analytic model was designed to simulate outcomes in a hypothetical cohort of patients with early pregnancy loss on four interventions: (1) US-MVA, (2) misoprostol, (3) surgical evacuation of uterus by dilation and curettage (surgical evacuation), and (4) expectant care. Model inputs were retrieved from published literature and public data. Model outcome measures were total direct medical cost and disutility-adjusted life-year (DALY). Base-case model results were examined by sensitivity analysis. Results: The expected DALYs (0.00141) and total direct medical cost (USD736) of US-MVA were the lowest of all interventions in base-case analysis, and US-MVA was the preferred cost-effective option. One-way sensitivity analysis showed that the misoprostol group became less costly than the US-MVA group if the evacuation rate of misoprostol (base-case value 0.832) exceeded 0.920. In probabilistic sensitivity analysis, At the willingness-to-pay (WTP) threshold of 49630 USD/DALY averted (1x gross domestic product per capita of Hong Kong), the US-MVA was cost-effective in 72.9% of the time. Conclusions: US-MVA appeared to be cost-saving and effective for treatment of early pregnancy loss from the perspective of public healthcare provider of Hong Kong.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0294058

DOI: 10.1371/journal.pone.0294058

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