Alternative therapies in health and medicine
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Altern Ther Health Med
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Altern Ther Health Med · Jan 1997
Randomized Controlled Trial Comparative Study Clinical TrialVoluntary control of vascular tone by using skin-temperature biofeedback-relaxation in patients with advanced heart failure.
Advanced heart failure is characterized by activation of the sympathetic nervous system and intense vasoconstriction. Biofeedback-relaxation techniques have been used successfully to treat conditions with similar pathophysiological features. ⋯ Despite the presence of marked vasoconstriction in patients with advanced heart failure, a single session of biofeedback-relaxation can increase finger temperature and cardiac output and decrease systemic vascular resistance and respiratory rate, apparently without effect on systemic levels of catecholamines or oxygen consumption.