At a glance
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Combined Neuromuscular Electrical Stimulation and Blood Flow Restriction Training After Total Knee Arthroplasty
In Brief
A clinical study evaluating Standard Rehabilitation + Neuromuscular Electrical Stimulation and Blood Flow Restriction for Total Knee Arthroplasty. Completed, enrolled 18 participants across 1 site.
Detailed Summary
The purpose of this feasibility study is to determine the initial efficacy of early combined Neuromuscular Electrical Stimulation (NMES) and Blood Flow Restriction (BFR) in addition to standard rehabilitation in 15 subjects after Total Knee Arthroplasty (TKA). The second aim is to determine the feasibility and patient perceptions of combined NMES and BFR by assessing: 1) adherence, 2) satisfaction and 3) safety.
Study Details
Timeline
Interventions
Subjects will begin a standardized protocol on post-op day 2. Outpatient visits will be 2x/wk for weeks 0-4 and then 1x/wk for weeks 5-8. Subjects will utilize NMES on the quadriceps in the home setting 2x/day for the first 3-4 weeks during isometric contractions at their highest tolerated intensity. Total treatment will begin at 10 minutes. At the end of post-op week 2, subjects will be exposed in clinic to BFR on the surgical limb increasing to 80% limb occlusion pressure over weeks 3-4 as tolerated. Initially, BFR and NMES will be performed simultaneously. BFR will then be progressed using active exercises. After completing a safety checklist, subjects will be issued a home BFR unit for use 2x/week (3x total including clinic visit) at which time NMES will be discontinued. BFR exercise intensity will be progressed as tolerated to maintain 20-30% of 1RM.