Abstract 1483: Combined Aerobic and Resistance Training Improves Physical Functional Performance and Muscle Strength in Patients With Heart Failure
Background: Heart failure is associated with a progressive loss of muscle strength and limitations in the performance of physical activities of daily living. The Continuous Scale Physical Functional Performance test is a serially performed measure that simulates common household chores. A threshold between strength and function is reported using the Continuous Scale Physical Functional Performance test (CSPFP) (scores between 48 –59); scores below this threshold range is associated with a lower probability of independent living. In our previous work with HF patients, aerobic exercise alone did not increase CSPFP scores. A combined aerobic and resistance training was hypothesized to improve CSPFP total scores and muscle strength compared to an attention control wait list (ACWL) group.
Methods: Twenty-four NYHA II-III HF patients (mean age 60.4±10.4, LVEF 24±8.7) participated; 58% were NYHA class III, 57% were Caucasian, and 50% were female. Physical function (CSPFP) and muscle strength (handgrip and knee extension) were evaluated at baseline (T1) and at 12-weeks (T2). T-tests were used to analyze group differences in change scores.
Results: There were no baseline group differences. The exercise group showed significant improvement in CSPFP total scores and in muscle strength compared to the ACWL group as shown in Table I⇓.
Conclusions: Combined aerobic and resistance exercise significantly increased muscle strength and function with CSPFP scores nearing the top of the threshold associated with living independently after intervention. The best strategy for promoting functional independence in patients with HF may be a combined aerobic and resistance exercise approach.