Ineffectiveness of methylprednisolone to reduce infarct size in experimental coronary occlusion. 1982

K Genth, and M Hofmann, and W Schaper

Two medium-sized branches of the left coronary artery were prepared in each of 10 anesthetized open chest dogs for later occlusion. The first artery was occluded during 90 minutes and reperfused thereafter. This occlusion produced the control infarct. Methylprednisolone (50 mg/kg i.v.) was injected and the second artery was occluded also for 90 minutes and reperfused thereafter. Both infarcts were made visible by staining left ventricular rings with p-nitrobluetetrazolium. Infarct size was compared with the size of the perfusion area, which we obtained from the postmortem angiogram. Both infarcts were equal in size and comprised 50% of the area of perfusion of the occluded artery. Methylprednisolone in a single high dose given prophylactically did not influence infarct size nor any of the measured parameters.

UI MeSH Term Description Entries
D008297 Male Males
D008775 Methylprednisolone A PREDNISOLONE derivative with similar anti-inflammatory action. 6-Methylprednisolone,Medrol,Metipred,Urbason,6 Methylprednisolone
D009203 Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). Cardiovascular Stroke,Heart Attack,Myocardial Infarct,Cardiovascular Strokes,Heart Attacks,Infarct, Myocardial,Infarction, Myocardial,Infarctions, Myocardial,Infarcts, Myocardial,Myocardial Infarctions,Myocardial Infarcts,Stroke, Cardiovascular,Strokes, Cardiovascular
D010477 Perfusion Treatment process involving the injection of fluid into an organ or tissue. Perfusions
D003327 Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. Coronary Heart Disease,Coronary Diseases,Coronary Heart Diseases,Disease, Coronary,Disease, Coronary Heart,Diseases, Coronary,Diseases, Coronary Heart,Heart Disease, Coronary,Heart Diseases, Coronary
D003331 Coronary Vessels The veins and arteries of the HEART. Coronary Arteries,Sinus Node Artery,Coronary Veins,Arteries, Coronary,Arteries, Sinus Node,Artery, Coronary,Artery, Sinus Node,Coronary Artery,Coronary Vein,Coronary Vessel,Sinus Node Arteries,Vein, Coronary,Veins, Coronary,Vessel, Coronary,Vessels, Coronary
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
D005260 Female Females
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic

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