Tai Chi in older adults with CHF

This study examined the effects of tai chi and Functional Electrical Stimulation of lower limb muscles on the recovery of older adults with chronic heart failure. There were 1084 participants divided into 4 groups- a control group with no intervention, a group who performed tai chi exercises only, a group who received FES to their quadriceps and calves only, and a combined tai chi and FES group. Participants were > 70 years of age, and the interventions lasted for 12 weeks.

 

Compared to the control group, the tai chi only group demonstrated a significant reduction in heart rate, and the tai chi only and combined tai chi and FES groups demonstrated improved peak oxygen consumption, depression scores, and improved physical and social quality of life. The authors concluded that FES, tai chi, and combined FES & tai chi were found to be safe, effective, and affordable for older adults with CHF to improve their physical and social quality of life and cardiorespiratory function.

 Summary written by Joseph Baumgarden, DPT

 

 

Abstract

Tai Chi exercise and functional electrical stimulation of lower limb muscles for rehabilitation in older adults with chronic systolic heart failure: a non-randomized clinical trial.

Hao Y, Zhang L, Zhang Z, Chen L, He N, Zhu S.

 

Braz J Med Biol Res. 2019 Nov 25;52(12):e8786. 

 

Exercise-based training decreases hospitalizations in heart failure patients but such patients have exercise intolerance. The objectives of the study were to evaluate the effect of 12 weeks of Tai Chi exercise and lower limb muscles' functional electrical stimulation in older chronic heart failure adults. A total of 1,084 older adults with chronic systolic heart failure were included in a non-randomized clinical trial (n=271 per group). The control group did not receive any kind of intervention, one group received functional electrical stimulation of lower limb muscles (FES group), another group practiced Tai Chi exercise (TCE group), and another received functional electrical stimulation of lower limb muscles and practiced Tai Chi exercise (FES & TCE group). Quality of life and cardiorespiratory functions of all patients were evaluated. Compared to the control group, only FES group had increased Kansas City Cardiomyopathy Questionnaire (KCCQ) score (P<0.0001, q=9.06), only the TCE group had decreased heart rate (P<0.0001, q=5.72), and decreased peak oxygen consumption was reported in the TCE group (P<0.0001, q=9.15) and FES & TCE group (P<0.0001, q=10.69). FES of lower limb muscles and Tai Chi exercise can recover the quality of life and cardiorespiratory functions of older chronic heart failure adults (trial registration: Research Registry 4474, January 1, 2015).

PMID: 31778439 DOI: 10.1590/1414-431X20198786

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