| Celiprolol, a compound which attenuates myocardial acidosis and improves regional segmental function following ischemia in dogs: a comparison with propranolol. | |
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MedLine Citation:
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PMID: 2573907 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Celiprolol, propranolol or saline were administered to separate groups (n = 5-6) of anesthetized dogs in which a critical stenosis was applied to the circumflex coronary artery for 90 min and then reperfused for 30 min. Test drugs were administered at 30 min poststenosis and the effects on pH, regional function and endocardiogram were monitored. A reduction in coronary flow of 54 +/- 2% (n = 27) yielded marked increases in hydrogen ion concentration (H+) of 17 +/- 2 X 10(-8) and ischemic endocardial ST segment of 6 +/- 1 mV while ischemic segmental shortening decreased 75 +/- 9%. Heart rate, arterial pressure and normal regional function were not altered. Celiprolol 0.1 and 1 mg/kg, i.v., reversed the alterations in H+ and ischemic ST segment to prestenosis values while improving ischemic segmental shortening 20 and 38%, respectively, and not affecting heart rate. Propranolol 0.1 and 1 mg/kg, i.v., reversed the alterations in H+ and ischemic ST segment to prestenosis values while further decreasing ischemic segmental shortening 66 and 30%, respectively. Upon reperfusion, ischemic segmental shortening returned to prestenosis values in the group treated with celiprolol 1 mg/kg, i.v., while the propranolol- and saline-treated groups further decreased. It is concluded that celiprolol is efficacious in normalizing myocardial function and ischemia-induced electrophysiological changes following coronary artery stenosis. |
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Authors:
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J A Barrett; A M Magistro; R D Smith; T P Pruss; P S Wolf |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Pharmacology Volume: 39 ISSN: 0031-7012 ISO Abbreviation: Pharmacology Publication Date: 1989 |
Date Detail:
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Created Date: 1990-01-09 Completed Date: 1990-01-09 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0152016 Medline TA: Pharmacology Country: SWITZERLAND |
Other Details:
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Languages: eng Pagination: 1-10 Citation Subset: IM |
Affiliation:
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Department of Cardiovascular Pharmacology, Rorer Central Research, Horsham, Pa. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acidosis
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drug therapy* Adrenergic alpha-Antagonists / therapeutic use* Animals Blood Pressure / drug effects Body Temperature / drug effects Cardiomyopathies / drug therapy* Celiprolol Coronary Circulation / drug effects Coronary Disease / drug therapy*, physiopathology Dogs Electrocardiography Female Heart Rate / drug effects Hydrogen-Ion Concentration Male Propanolamines / therapeutic use* Propranolol / therapeutic use* |
| Chemical | |
Reg. No./Substance:
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0/Adrenergic alpha-Antagonists; 0/Propanolamines; 525-66-6/Propranolol; 56980-93-9/Celiprolol |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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