Cost-Effectiveness of Corrective Fusion Surgeries for Adult Spinal Deformities: Does Unexpected Revision Surgery Affect Cost-Effectiveness?

Introduction: Previous research has demonstrated that mid- to long-term health-related quality of life following corrective fusion surgery for adult spinal deformity (ASD) can be improved by appropriate revision surgery. In this study, we aim to compare the cost-effectiveness of corrective fusion su...

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Published in:Spine Surgery and Related Research 2024/05/27, Vol.8(3), pp.306-314
Main Authors: Arima, Hideyuki, Hasegawa, Tomohiko, Yamato, Yu, Kato, Masashi, Yoshida, Go, Banno, Tomohiro, Oe, Shin, Ide, Koichiro, Yamada, Tomohiro, Nakai, Keiichi, Kurosu, Kenta, Matsuyama, Yukihiro
Format: Article
Language:English
Subjects:
adult spinal deformity
corrective fusion surgery
cost-effectiveness
medical expenses
Original
quality-adjusted life year
revision surgery
rod fractures
spinal instrumentation
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Summary:Introduction: Previous research has demonstrated that mid- to long-term health-related quality of life following corrective fusion surgery for adult spinal deformity (ASD) can be improved by appropriate revision surgery. In this study, we aim to compare the cost-effectiveness of corrective fusion surgery for ASD with and without unexpected revision surgery 5 years postoperatively.Methods: In total, 79 patients with ASD (mean age, 68.7 years) who underwent corrective fusion surgery between 2013 and 2015 were included in this study. Cost-effectiveness was evaluated based on the cost of obtaining 1 quality-adjusted life year (QALY). Patients were divided into two groups according to the presence or absence of unexpected revision surgery following corrective fusion and were subjected for comparison.Results: As per our study findings, 26 (33%) of the 79 ASD patients underwent unexpected revision surgery during the first 5 years following surgery. Although there was no significant difference in terms of inpatient medical costs at the time of initial surgery for 5 years after surgery between the two groups (no-revision group, revision group; inpatient medical costs at the time of initial surgery: USD 69,854 vs. USD 72,685, P=0.344), the total medical expenses up to 5 years after surgery were found to be higher in the revision group (USD 72,704 vs. USD 104,287, P
ISSN:2432-261X
2432-261X
DOI:10.22603/ssrr.2023-0205