Exercise training versus propranolol in the treatment of the postural orthostatic tachycardia syndrome

Qi Fu, Tiffany B. Vangundy, Shigeki Shibata, Richard J. Auchus, Gordon H. Williams, Benjamin D Levine

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

We have found recently that exercise training is effective in the treatment of the postural orthostatic tachycardia syndrome (POTS). Whether this nondrug treatment is superior to "standard" drug therapies, such as β-blockade, is unknown. We tested the hypothesis that exercise training but not β-blockade treatment improves symptoms, hemodynamics, and renal-adrenal responses in POTS patients. Nineteen patients (18 women and 1 man) completed a double-blind drug trial (propranolol or placebo) for 4 weeks, followed by 3 months of exercise training. Fifteen age-matched healthy individuals (14 women and 1 man) served as controls. A 2-hour standing test was performed before and after drug treatment and training. Hemodynamics, catecholamines, plasma renin activity, and aldosterone were measured supine and during 2-hour standing. We found that both propranolol and training significantly lowered standing heart rate. Standing cardiac output was lowered after propranolol treatment (P=0.01) but was minimally changed after training. The aldosterone:renin ratio during 2-hour standing remained unchanged after propranolol treatment (4.1±1.7 [SD] before versus 3.9±2.0 after; P=0.46) but modestly increased after training (5.2±2.9 versus 6.5±3.0; P=0.05). Plasma catecholamines were not affected by propranolol or training. Patient quality of life, assessed using the 36-item Short-Form Health Survey, was improved after training (physical functioning score 33±10 before versus 50±9 after; social functioning score 37±9 versus 48±6; both P<0.01) but not after propranolol treatment (34±10 versus 36±11, P=0.63; 39±7 versus 39±5, P=0.73). These results suggest that, for patients with POTS, exercise training is superior to propranolol at restoring upright hemodynamics, normalizing renal-adrenal responsiveness, and improving quality of life.

Original languageEnglish (US)
Pages (from-to)167-175
Number of pages9
JournalHypertension
Volume58
Issue number2
DOIs
StatePublished - Aug 2011

Fingerprint

Postural Orthostatic Tachycardia Syndrome
Propranolol
Exercise
Hemodynamics
Aldosterone
Renin
Therapeutics
Catecholamines
Quality of Life
Kidney
Health Surveys
Pharmaceutical Preparations
Cardiac Output
Heart Rate
Placebos
Drug Therapy

Keywords

  • β-blockade
  • hemodynamics
  • Long-term orthostasis
  • quality of life
  • renin-angiotensin-aldosterone system

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Exercise training versus propranolol in the treatment of the postural orthostatic tachycardia syndrome. / Fu, Qi; Vangundy, Tiffany B.; Shibata, Shigeki; Auchus, Richard J.; Williams, Gordon H.; Levine, Benjamin D.

In: Hypertension, Vol. 58, No. 2, 08.2011, p. 167-175.

Research output: Contribution to journalArticle

Fu, Qi ; Vangundy, Tiffany B. ; Shibata, Shigeki ; Auchus, Richard J. ; Williams, Gordon H. ; Levine, Benjamin D. / Exercise training versus propranolol in the treatment of the postural orthostatic tachycardia syndrome. In: Hypertension. 2011 ; Vol. 58, No. 2. pp. 167-175.
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