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PURPOSE: Telehealth rehabilitation (telerehab) is an increasingly popular cost-saving alternative to traditional rehabilitation after total joint arthroplasty. We compared the safety and efficacy of an institutional telerehab program to conventional "face-to-face" rehabilitation in a sample of patients undergoing total knee arthroplasty (TKA). METHODS: A retrospective matched cohort study was performed. Medicare patients who utilized telerehab following unilateral TKA were matched in a 1:3 ratio to those utilizing conventional rehabilitation. Patients were matched on sex, body mass index (BMI, ± 5 kg/m2), preoperative extension (± 10 degrees), preoperative flexion (± 10 degrees), and Risk Assessment and Prediction Tool (RAPT) score (± 2 points). Ninety-day unplanned healthcare encounters, 120-day manipulations under anesthesia (MUAs), and 6-week and 3-month changes in the Knee Injury and Osteoarthritis Outcome Score for Joint Replacement (KOOS-JR), pain visual analog scale (VAS), Veterans RAND 12 (VR-12), and Lower-Extremity Activity Scale (LEAS) were compared between groups. RESULTS: Eighty-two telerehab patients and 244 conventional rehab patients were included. After matching, there were no differences in 90-day unplanned healthcare encounters or 120-day MUA rates between groups. There were no differences in 6-week or 3-month changes in KOOS-JR, VAS pain, or VR-12 mental or physical sub-scores between groups. Telerehab patients had a greater improvement in LEAS score at 3 months compared to the conventional group (mean difference 1.9, P = 0.03). CONCLUSION: In a matched cohort study of 326 TKA patients, telerehab patients had similar rates of unplanned healthcare encounters and MUAs and similar patient-reported outcomes compared to conventional PT patients, suggesting that telerehab can be an equally effective alternative to conventional PT following TKA. LEVEL OF EVIDENCE: III.
LeBrun et al. (Sat,) studied this question.