[Experimental studies on surgical therapy of acute infarct]. 1978

K F Lindenau, and J Bohm, and H Warnke, and C Kensicki, and M Böhm, and B Schubel, and H David, and K Sajkiewicz, and A Hecht, and D Behrisch

The authors examined the effects of reperfusion after temporary ischemia in 50 dogs. The morphologic alterations were documented by methods of electron microscopy, fluorescence microscopy, and histochemistry. Lactate and activity of glycogen phosphorylase were assessed. According to the results, the optimal ischemia interval is 30 to 60 minutes for rational application of reperfusion, while it is just possible after 120 minutes. After a 4-hours-period of ischemia reperfusion increase morphologic damage of myocardium and impairment of myocardial metabolism. Prolonged reperfusion of 7 days resulted in a reduced extent of infarction compared with controls. In non-ischemic myocardium the morphologic and metabolic alterations were less expressed. The effects of "no-reflow"-phenomenon and conclusions for clinical practice are discussed.

UI MeSH Term Description Entries
D007511 Ischemia A hypoperfusion of the BLOOD through an organ or tissue caused by a PATHOLOGIC CONSTRICTION or obstruction of its BLOOD VESSELS, or an absence of BLOOD CIRCULATION. Ischemias
D008933 Mitochondrial Swelling An increase in MITOCHONDRIAL VOLUME due to an influx of fluid; it occurs in hypotonic solutions due to osmotic pressure and in isotonic solutions as a result of altered permeability of the membranes of respiring mitochondria. Giant Mitochondria,Megamitochondria,Mitochondrial Hypertrophy,Giant Mitochondrias,Hypertrophy, Mitochondrial,Megamitochondrias,Mitochondria, Giant,Mitochondrial Hypertrophies,Swelling, Mitochondrial
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
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
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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