Cost-utility analysis of sutureless and rapid deployment versus conventional aortic valve replacement in patients with moderate to severe aortic stenosis in Thailand

Unchalee Permsuwan, Seri Singhatanadgige, Kawinnooch Boonpipattanapong, Worawong Slisatkorn, Angsu Chartrungsan, Prompak Nitayavardhana, Nutthawadee Luangthong, Pramote Porapakkham and Jirawit Yadee

PLOS ONE, 2024, vol. 19, issue 1, 1-18

Abstract: Background: Sutureless and rapid deployment aortic valve replacement (SUAVR) has become an alternative to conventional aortic valve replacement (CAVR) for aortic stenosis (AS) treatment due to its advantages in reducing surgery time and improving outcomes. This study aimed to assess the cost-utility of SUAVR vs. CAVR treatment for patients with moderate to severe AS in Thailand. Methods: A two-part constructed model was used to estimate the lifetime costs and quality-adjusted life years (QALYs) from both societal and healthcare perspectives. Data on short-term mortality, complications, cost, and utility data were obtained from the Thai population. Long-term clinical data were derived from clinical studies. Costs and QALYs were discounted annually at 3% and presented as 2022 values. The incremental cost-effectiveness ratio (ICER) was calculated to determine additional cost per QALY gained. Deterministic and probabilistic sensitivity analyses were performed. Results: SUAVR treatment incurred higher costs compared with CAVR treatment from both societal (THB 1,733,355 [USD 147,897] vs THB 1,220,643 [USD 104,150]) and healthcare provider perspectives (THB 1,594,174 [USD 136,022] vs THB 1,065,460 [USD 90,910]). In addition, SUAVR treatment resulted in lower health outcomes, with 6.20 life-years (LYs) and 4.95 QALYs, while CAVR treatment achieved 6.29 LYs and 5.08 QALYs. SUAVR treatment was considered as a dominated treatment strategy using both perspectives. Sensitivity analyses indicated the significant impact of changes in utilities and long-term mortality on the model. Conclusion: SUAVR treatment is not a cost-effective treatment strategy compared with CAVR treatment for patients with moderate-severe AS in Thailand, as it leads to higher costs and inferior health outcomes. Other important issues related to specific patients such as those with minimally invasive surgery, those undergoing AVR with concomitant procedures, and those with calcified and small aortic root should be taken into account.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0296875

DOI: 10.1371/journal.pone.0296875

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