Effects of α-blocker 'add on' treatment on blood pressure in symptomatic BPH with or without concomitant hypertension

S. H. Lee, K. K. Park, S. Y. Mah, B. H. Chung

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Abstract

We investigated the effects of 'add on' treatment of α-blocker (AB) on blood pressure (BP) and the safety of ABs in men with symptomatic BPH with or without hypertension. We retrospectively reviewed 2,924 BPH outpatients who took ABs at our institution between 2005 and 2009. BPH symptom severity, prostate volume and BP were determined for 953 patients with their baseline data. BP level and International Prostate Symptom Score were measured within 2 months after AB treatment. Patients were assigned to four groups: group 1 had 272 normotensive patients on concomitant hypertensive medication; group 2 had 293 normotensive patients not on the medication; group 3 had 216 hypertensive patients on concomitant medication; and group 4 had 172 hypertensive patients not on the medication. The addition of AB lowered the mean systolic BP by 16.6 mm Hg for group 3 and by 8.6 mm Hg for group 4, and diastolic BP by 18.0 mm Hg for group 3 (P<0.05). However, normotensive groups on entry, irrespective of antihypertensive medication, showed no significant BP changes from baseline after AB medication. In the hypertensive groups on entry, the doxazosin gastrointestinal therapeutic system (GITS) resulted in significant reductions in systolic BP from 142.2 to 134.9 mm Hg and in diastolic BP from 97.6 to 84.6 mm Hg. When analyzed by AB regimen, the incidence of BP-related adverse events was comparable. AB therapy for BPH can have an appropriate and beneficial effect on BP, especially in baseline hypertensive patients. Doxazosin GITS treatment resulted in optimal management of BP within the normal range, especially in pharmacologically or physiologically hypertensive patients.

Original languageEnglish
Pages (from-to)333-337
Number of pages5
JournalProstate Cancer and Prostatic Diseases
Volume13
Issue number4
DOIs
Publication statusPublished - 2010 Dec 1

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All Science Journal Classification (ASJC) codes

  • Oncology
  • Urology
  • Cancer Research

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