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The Cost-Effectiveness of Normal-Saline Pulsed Lavage for Infection Prophylaxis in Total Joint Arthroplasty
Journal article   Open access   Peer reviewed

The Cost-Effectiveness of Normal-Saline Pulsed Lavage for Infection Prophylaxis in Total Joint Arthroplasty

Trevor Luck, Peter Zaki, Ryan Michels and Eric M. Slotkin
Arthroplasty today, v 18, pp 107-111
01 Dec 2022
PMID: 36304695
url
https://doi.org/10.1016/j.artd.2022.09.014View
Published, Version of Record (VoR)Open Access (License Unspecified) Open

Abstract

Prosthetic joint infection Pulsed irrigation Pulsed saline lavage Total hip arthroplasty Total joint arthroplasty Total knee arthroplasty
Prosthetic joint infection (PJI) is a well-described complication after total joint arthroplasty which imposes a substantial burden of morbidity and mortality on the individual, as well as cost to the health-care system. This study used a break-even analysis to investigate the cost-effectiveness of pulsed saline lavage (PSL) for PJI prophylaxis after a primary total knee arthroplasty (TKA) and total hip arthroplasty (THA). An established model was used to calculate the minimum cost-effective absolute risk reduction of PSL for infection prophylaxis after a total joint arthroplasty. Baseline infection rates of TKA and THA and the cost of a revision surgery for PJI were derived from the literature while the cost of PSL implementation was obtained from institutional data. PSL is cost-effective at an initial infection rate of 1.10%, revision costs of $32,132 for TKA PJI, and a protocol cost of $38.28 if it reduces infection rates by 0.12% or prevents infection in 1 out of 839 patients. PSL is cost-effective at an initial infection rate of 1.63% and a revision cost of $39,713 for THA PJI if it reduces infection rates by 0.10% or prevents infection in 1 out of 1037 patients. The absolute risk reduction needed for economic viability did not change with varying baseline infection rates and did not exceed 0.38% for infection treatment costs as low as $10,000 and remained less than 0.47% even if PSL cost was as high as $150. The use of PSL is a cost-effective protocol for PJI prophylaxis after TKAs and THAs.

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Web of Science research areas
Orthopedics
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