Abstract:
:Until recently beta-adrenergic blocking agents were considered contraindicated in peripheral arterial occlusive disease (PAOD). However, in recent years several studies have failed to show negative effects on peripheral blood flow. It was the aim of this study to compare the effects of celiprolol, a beta-1-adrenergic blocking agent with intrinsic sympathomimetic activity (ISA), and of metoprolol, a beta-1-adrenergic blocking agent without ISA, on peripheral blood flow of patients with and without PAOD. In an acute trial 24 patients (group I: 12 patients with PAOD stage I and II; group II: 12 patients without PAOD received a single dose of 200 mg celiprolol or 200 mg metoprolol in a double-blind crossover design. Celiprolol induced no significant changes in calf and skin blood flow at rest or during reactive hyperemia. Basal vascular resistance (BVR) and minimal vascular resistance (MVR) were not affected. Metoprolol, however, significantly reduced muscle blood flow and increased BVR in both groups. Subsequently the patients were treated in a randomized double-blind design with a daily dose of 200 mg celiprolol or metoprolol for three weeks. In long-term treatment skin and muscle blood flow at rest and during reactive hyperemia, BVR, and MVR were not affected by celiprolol. Metoprolol significantly lowered calf blood flow at rest in patients with PAOD; other parameters remained unchanged. In patients without PAOD, metoprolol caused a significant decrease of calf blood flow at rest and an increase of BVR. Calf blood flow during reactive hyperemia, as well as skin blood flow at rest and during reactive hyperemia, showed no significant changes.(ABSTRACT TRUNCATED AT 250 WORDS)
journal_name
Angiologyjournal_title
Angiologyauthors
Karnik R,Valentin A,Slany Jdoi
10.1177/000331978703800403subject
Has Abstractpub_date
1987-04-01 00:00:00pages
296-303issue
4eissn
0003-3197issn
1940-1574journal_volume
38pub_type
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