期刊
VALUE IN HEALTH
卷 22, 期 3, 页码 303-312出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jval.2018.08.013
关键词
combinations; cost-effectiveness; prosthetic hip implant; total hip replacement
资金
- National Institute for Health Research's Research for Patient Benefit Programme [PB-PG-0613-31032]
- National Institutes of Health Research (NIHR) [PB-PG-0613-31032] Funding Source: National Institutes of Health Research (NIHR)
- MRC [MR/P015298/1, MR/K025643/1] Funding Source: UKRI
Background: Prosthetic implants used in total hip replacements (THR) have a range of bearing surface combinations (metal-onpolyethylene, ceramic-on-polyethylene, ceramic-on-ceramic, and metal-on-metal), head sizes (small [<36 mm in diameter] and large [>= 36 mm in diameter]), and fixation techniques (cemented, uncemented, hybrid, and reverse hybrid). These can influence prosthesis survival, patients' quality of life, and healthcare costs. Objectives: To compare the lifetime cost-effectiveness of implants for patients of different age and sex profiles. Methods: We developed a Markov model to compare the cost-effectiveness of various implants against small-head cemented metal-on-polyethylene implants. The probability that patients required 1 or more revision surgeries was estimated from analyses of more than 1 million patients in the UK and Swedish hip joint registries, for men and women younger than 55, 55 to 64, 65 to 74, 75 to 84, and 85 years and older. Implant and healthcare costs were estimated from local procurement prices, national tariffs, and the literature. Quality-adjusted life-years were calculated using published utility estimates for patients undergoing THR in the United Kingdom. Results: Small-head cemented metal-on-polyethylene implants were the most cost-effective for men and women older than 65 years. These findings were robust to sensitivity analyses. Small-head cemented ceramic-on-polyethylene implants were most cost-effective in men and women younger than 65 years, but these results were more uncertain. Conclusions: The older the patient group, the more likely that the cheapest implants, small-head cemented metal-on-polyethylene implants, were cost-effective. We found no evidence that uncemented, hybrid, or reverse hybrid implants were the most cost-effective option for any patient group. Our findings can influence clinical practice and procurement decisions for healthcare payers worldwide.
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