Monday, January 7, 2008

Posture Affects Nerve Function in Heart Patients

A study reveals that posture affects sympathetic nervous modulation in patients with congestive heart failure (CHF).

Investigators analyzed heart rate variability and plasma norepinephrine concentrations in 12 patients with CHF in three recumbent positions: right lateral decubitus, left lateral decubitus and supine. Findings showed that the same position preferred by patients, the right lateral decubitus position, was also the position that most attenuated sympathetic nervous modulation.

The Lancet November 25, 2000;356.

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