Effects of amosulalol, a combined alpha 1- and beta-adrenoceptor-blocking agent, on ischemic myocardial energy metabolism in dogs. 1993

N Hayase, and K Chiba, and K Ichihara
Department of Hospital Pharmacy, Asahikawa Medical College, Japan.

The effect of amosulalol, a combined alpha 1- and beta-adrenoceptor-blocking agent, on changes in myocardial energy and carbohydrate metabolism during ischemia was studied. Ischemia was induced by ligating the left anterior descending coronary artery for 3 or 30 min during open-chest surgery in anesthetized dogs. The myocardial energy stores were depleted, and the levels of glycolytic intermediates were altered by 3 and 30 min of ischemia, indicating that anaerobic myocardial metabolism had occurred. Amosulalol (0.3 or 1 mg.kg-1) was injected intravenously 5 min before ischemia. Pretreatment with amosulalol, particularly at a dose of 0.3 mg.kg-1, reduced the myocardial energy depletion and the alteration of carbohydrate metabolism induced by ischemia. This result indicates that amosulalol can reduce ischemic influences on the myocardium.

UI MeSH Term Description Entries
D008297 Male Males
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004734 Energy Metabolism The chemical reactions involved in the production and utilization of various forms of energy in cells. Bioenergetics,Energy Expenditure,Bioenergetic,Energy Expenditures,Energy Metabolisms,Expenditure, Energy,Expenditures, Energy,Metabolism, Energy,Metabolisms, Energy
D004983 Ethanolamines AMINO ALCOHOLS containing the ETHANOLAMINE; (-NH2CH2CHOH) group and its derivatives. Aminoethanols
D005260 Female Females
D005636 Fructosephosphates
D005958 Glucosephosphates
D006339 Heart Rate The number of times the HEART VENTRICLES contract per unit of time, usually per minute. Cardiac Rate,Chronotropism, Cardiac,Heart Rate Control,Heartbeat,Pulse Rate,Cardiac Chronotropy,Cardiac Chronotropism,Cardiac Rates,Chronotropy, Cardiac,Control, Heart Rate,Heart Rates,Heartbeats,Pulse Rates,Rate Control, Heart,Rate, Cardiac,Rate, Heart,Rate, Pulse

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