on August 18, 2003
Published online before print August 14, 2003, doi: 10.1161/01.STR.0000083699.95351.F2
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Submitted on March 27, 2003
From the University of Florida Brooks Center for Rehabilitation Studies and the Department of Veteran Affairs Rehabilitation Outcomes Center, Gainesville (P.D.); University of Pittsburgh Department of Internal Medicine and Department of Veteran Affairs Medical Center, Pittsburgh, Pennsylvania (S.S.); University of Kansas Medical Center, Theo and Alfred Landon Center on Aging, Kansas City (L.R., S.G., S.M.L., D.R., S.P., J.Y., V.K., S.R.); Department of Veteran Affairs Medical Center, Kansas City, Mo (D.R.); and Department of Statistics, Kansas State University, Manhattan (D.J.). * To whom correspondence should be addressed. E-mail: pwduncan{at}hp.ufl.edu.
Background and Purpose--Rehabilitation care after stroke is highly variable and increasingly shorter in duration. The effect of therapeutic exercise on impairments and functional limitations after stroke is not clear. The objective of this study was to determine whether a structured, progressive, physiologically based exercise program for subacute stroke produces gains greater than those attributable to spontaneous recovery and usual care. Methods--This randomized, controlled, single-blind clinical trial was conducted in a metropolitan area and 17 participating healthcare institutions. We included persons with stroke who were living in the community. One hundred patients (mean age, 70 years; mean Orpington score, 3.4) consented and were randomized from a screened sample of 582. Ninety-two subjects completed the trial. Intervention was a structured, progressive, physiologically based, therapist-supervised, in-home program of thirty-six 90-minute sessions over 12 weeks targeting flexibility, strength, balance, endurance, and upper-extremity function. Main outcome measures were postintervention strength (ankle and knee isometric peak torque, grip strength), upper- and lower-extremity motor control (Fugl Meyer), balance (Berg and functional reach), endurance (peak aerobic capacity and exercise duration), upper-extremity function (Wolf Motor Function Test), and mobility (timed 10-m walk and 6-minute walk distance). Results--In the intention-to-treat multivariate analysis of variance testing the overall effect, the intervention produced greater gains than usual care (Wilk's Conclusions--This structured, progressive program of therapeutic exercise in persons who had completed acute rehabilitation services produced gains in endurance, balance, and mobility beyond those attributable to spontaneous recovery and usual care.
Accepted on April 16, 2003
Randomized Clinical Trial of Therapeutic Exercise in Subacute Stroke
Pamela Duncan PhD, FAPTA*;
=0.64, P=0.0056). Both intervention and usual care groups improved in strength, balance, upper- and lower-extremity motor control, upper-extremity function, and gait velocity. Gains for the intervention group exceeded those in the usual care group in balance, endurance, peak aerobic capacity, and mobility. Upper-extremity gains exceeded those in the usual care group only in patients with higher baseline function.
Key words: exercise • outcome • rehabilitation
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