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Does Early Retrograde Intrarenal Surgery Improve the Cost-Effectiveness of Renal Stone Management?

 So Young Yang  ;  Hae Do Jung  ;  Sun Hong Kwon  ;  Eui Kyung Lee  ;  Joo Yong Lee  ;  Seon Heui Lee 
 YONSEI MEDICAL JOURNAL, Vol.61(6) : 515-523, 2020-06 
Journal Title
Issue Date
Aged ; Cost-Benefit Analysis* ; Decision Support Techniques ; Female ; Humans ; Kidney / surgery* ; Kidney Calculi / economics* ; Kidney Calculi / surgery* ; Male ; Middle Aged ; Probability ; Retrospective Studies
Lithotripsy ; cost-benefit analysis ; kidney calculi ; urology
Purpose: This study aimed to evaluate the cost-effectiveness of treatment with retrograde intrarenal surgery (RIRS) versus repeated shock wave lithotripsy (SWL) in patients with renal calculi. Materials and methods: The non-retreatment rates (NRRs) and their respective real-world costs for RIRS and SWL were derived through retrospective analysis of health insurance claims data from 2015 to 2017. Decision tree modeling was performed to demonstrate the cost-effectiveness of RIRS. Furthermore, sensitivity analysis was performed to examine the robustness of the results. Results: Analysis of the obtained data showed that NRRs of single SWL ranged from 46% to 56%, whereas NRRs of single RIRS ranged from 75% to 93%. Introducing RIRS early in the treatment sequence was observed to be favorable for the reduction of overall failure (overall NRR, 0.997) compared to the results of repeated SWL (overall NRR, 0.928). The implementation of decision tree modeling revealed that the cost per retreatment-avoided increased with the introduction of RIRS at an earlier time (first line, second line, third line, fourth line: 18640 USD, 10376 USD, 4294 USD, 3377 USD, respectively). Probabilistic modeling also indicated that the introduction of RIRS as the first line of treatment was least likely to be cost-effective, when compared to other options of introducing RIRS as the second, third, or fourth line of treatment. Conclusion: Performing RIRS as early as possible can be recommended for eligible patients to reduce the overall failure, even if it is not as cost-effective as performing RIRS later.
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1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Joo Yong(이주용) ORCID logo https://orcid.org/0000-0002-3470-1767
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