• Leah P Griffin and Mikaela M Sifuentes.
• 3M Company, 12930 W Interstate 10, San Antonio, TX 78249. Email: lpgriffin@mmm.com.
• Am J Manag Care. 2022 Feb 1; 28 (2): 53-58.

ObjectivesIn the outpatient setting, combining remote therapy monitoring (RTM) with negative pressure wound therapy (NPWT) can support improved adherence to prescribed therapy. A recent study reported that patients receiving NPWT with RTM required fewer therapy days than patients receiving NPWT alone, possibly reducing costs of care. Our objective was to determine whether RTM reduced 90-day costs in patients undergoing NPWT.Study DesignWe conducted a retrospective cohort study of patients receiving NPWT with or without RTM in the postacute setting.MethodsPatients beginning NPWT between March 2018 and May 2019 were included. Payer claims data were collected and analyzed with t test for continuous variables and χ2 test for categorical variables. Multiple regressions were performed to control for confounding variables.ResultsOf the 1105 patients included the study, 675 (61%) received RTM and 430 (39%) did not. RTM patients were significantly older (P < .0001), had more ulcers (P = .0004), and had higher Charlson Comorbidity Index (CCI) scores (P < .0001). The unadjusted mean 90-day wound-related cost was not significantly higher for non-RTM patients than for RTM patients (P = .0799). After controlling for differences in age, payer type, CCI score, and wound type, there was a significant reduction in 90-day wound-related costs in the RTM group compared with the non-RTM group ($11,119 vs $14,752; P = .0131). The RTM group had higher NPWT costs ($3757 vs $3289; P = .0035) but lower wound-related non-NPWT costs ($7361 vs $11,462; P = .0045).ConclusionsThis study demonstrated the value of RTM in supporting NPWT adherence and decreasing the costs of wound care in these patients.

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