DOS 2020
DOS Kongressen 2020 · 207 Rehabilitation with blood-flow restricted resistance exercise to enhance recovery after knee surgery or injury: A retrospective study of 324 patients Thomas Linding Jakobsen, Mads Thorup Langelund, Thomas Bandholm, Kristian Thorborg Section for Orthopaedic and Sports Rehabilitation (SOS-R), Health Centre Nørrebro, City of Copenhagen; Area of Health, UCL University College, Odense; Department of Orthopedic Surgery, Amager and Hvidovre Hospital Background: Blood flow restriction (BFR) resistance exercise is considered to be a safe and effective rehabilitation modality in increasing muscle mass and strength. Purpose / Aim of Study: The aims of this study were to report changes in thigh muscle mass and knee pain, as well as adverse events during rehabilitation with BFR in a large cohort of patients seen in clinical practice after knee surgery or injury. Materials and Methods: In this descriptive, retrospective, practice-based study, we included 324 patients who performed rehabilitation with BFR resis- tance exercise after knee surgery or injury at an outpatient rehabilitation center. From medical records, we extracted: Thigh circumference (muscle mass proxy) and knee pain during self-reported activity ((11-point numerical rating scale (NRS)) before and after rehabilitation, and any adverse events recorded. Findings / Results: Thigh circumference difference between non- affected and affected leg was significantly smaller post- than pre-rehabilitation (1.1 vs 2.4; mean difference, -1.3 cm, [95% CI = -1.7 to -0.9], p < 0.0001, n=76). Knee pain during activity was lower post- compared to pre-rehabilitation (2.0 vs 3.7; mean difference, -1.9 NRS-points, [95% CI = -2.3 to -1.5], p < 0.0001, n=159). One patient fainted in relation to BFR resistance exercise during the rehabilitation period (n=324). Conclusions: In this retrospective study, rehabilitation with BFR resistance ex- ercise applied in clinical practice after knee surgery or injury appeared to in- crease thigh muscle mass while reducing knee pain during activity. Very few harms were reported suggesting underreporting. 186.
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