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(A comparative analysis of the effect of low-intensity physical training on a bicycle ergometer, graded walking and drug therapy on the cardiovascular system of patients with stage-II hypertension) [Russian]
Vecherinin OK, Siluianova VA, Poruchikov EA, Severin SI, Nikolaeva TF, Dmukhovskii RA
Voprosy Kurortologii, Fizioterapii i Lechebnoi Fizicheskoi Kultury [Problems of Health Resorts, Physiotherapy and Exercise Therapy] 1992;69(2):14-18
clinical trial
2/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: No; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

In contrast to standard bicycle exercise with moderate or submaximal effort, low-effort exercises were employed by the author who studied their effect on cardiovascular system of stage II hypertension patients. They were males (n = 126) aged 47.2 +/- 3.6 with the disease history of 8.4 +/- 1.9 years. Associated coronary heart disease was diagnosed in 82% of the patients. The test subjects were divided randomly into three groups: group 1 patients received drugs only, group 2 received drugs and exercised walking, group 3 received drugs and exercised on bicycle ergometer in the nonstrenuous regimen. It was found that exercise tolerance of the patients was different and depended on the hemodynamic type. Hypokinetic circulation patients showed the lowest exercise tolerance. Low-effort bicycle exercise in addition to drugs is indicated for hyper- and eu-kinetic circulation patients. Walking is inferior to the bicycle exercise and can be recommended as a variety of nonpharmacological treatment of hypertension stage II. The combined effect of walking and chemotherapy produced the rise in cardiac capacity in the absence of the adequate increment in coronary blood flow, whereas bicycle exercise seems to enhance cardiac coronary circulation in hypertensive subjects.

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