Key result
Treatment with pindolol or propranolol effectively lowered blood pressure, achieving a >10% fall in mean arterial pressure in 62.5% and 57.1% of patients, respectively, alongside a significant decrease in systemic vascular resistance.
Why the study?
Do beta-adrenergic blocking agents (pindolol or propranolol) reduce blood pressure and alter plasma renin activity or hemodynamics in patients with essential hypertension?
Do beta-adrenergic blocking agents (pindolol or propranolol) reduce blood pressure and alter plasma renin activity or hemodynamics in patients with essential hypertension?
Beta-blockers effectively lower blood pressure in essential hypertension, with the antihypertensive effect showing no correlation to changes in plasma renin activity or any single hemodynamic component.
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Pindolol or propranolol may lower BP in essential hypertension; leaves open independence from renin or hemodynamic changes pending randomized confirmation.
Matsunaga et al. (1977) studied Essential hypertension (n=23). Pindolol or Propranolol vs. Baseline (pre-treatment control period) was evaluated on Effective blood pressure reduction (>10% fall in mean arterial pressure). Treatment with pindolol or propranolol effectively lowered blood pressure, achieving a >10% fall in mean arterial pressure in 62.5% and 57.1% of patients, respectively, alongside a significant decrease in systemic vascular resistance.
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