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More rapid thrombolysis with coronary venous retroinfusion of streptokinase compared with intravenous administration. An experimental study in canines. 1990

A Miyazaki, and N Hatori, and H Tadokoro, and L Rydén, and E Corday, and J Drury
Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California.

The efficacy of coronary venous retroinfusion vs intravenous administration of streptokinase was compared in 20 closed chest dogs with copper coil induced thrombosis of the left anterior descending coronary artery. Streptokinase was continuously infused for 60 min (100 IU kg-1 min-1) starting 60 min after coronary artery occlusion. Time to clot lysis was determined by coronary angiography performed at 5 min intervals. Complete lysis occurred in eight out of 10 dogs receiving intravenous streptokinase and in all 10 dogs in the coronary venous group. Time to thrombolysis was significantly shorter with coronary venous retroinfusion (23 +/- 8 min) than after systemic infusion (62 +/- 26 min; P less than 0.001). Recovery of ischaemic zone left ventricular systolic function, studied by two-dimensional echocardiography, was significantly better in the animals that received retrograde streptokinase than in the group that received intravenous streptokinase (17 +/- 12% vs -2 +/- 16%; P less than 0.05). Myocardial necrosis expressed as a percentage of the risk area was 8 +/- 12% after retroinfusion of streptokinase compared with 32 +/- 25% (P less than 0.005) after intravenous administration. In conclusion, coronary venous administration of streptokinase was more effective than intravenous therapy as determined by more rapid clot lysis which resulted in improved functional recovery of the ischaemic myocardium and a significant reduction in myocardial necrosis.

UI MeSH Term Description Entries
D007262 Infusions, Intravenous The long-term (minutes to hours) administration of a fluid into the vein through venipuncture, either by letting the fluid flow by gravity or by pumping it. Drip Infusions,Intravenous Drip,Intravenous Infusions,Drip Infusion,Drip, Intravenous,Infusion, Drip,Infusion, Intravenous,Infusions, Drip,Intravenous Infusion
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
D003328 Coronary Thrombosis Coagulation of blood in any of the CORONARY VESSELS. The presence of a blood clot (THROMBUS) often leads to MYOCARDIAL INFARCTION. Thrombosis, Coronary,Coronary Thromboses,Thromboses, 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
D004452 Echocardiography Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues. The standard approach is transthoracic. Echocardiography, Contrast,Echocardiography, Cross-Sectional,Echocardiography, M-Mode,Echocardiography, Transthoracic,Echocardiography, Two-Dimensional,Transthoracic Echocardiography,2-D Echocardiography,2D Echocardiography,Contrast Echocardiography,Cross-Sectional Echocardiography,Echocardiography, 2-D,Echocardiography, 2D,M-Mode Echocardiography,Two-Dimensional Echocardiography,2 D Echocardiography,Cross Sectional Echocardiography,Echocardiography, 2 D,Echocardiography, Cross Sectional,Echocardiography, M Mode,Echocardiography, Two Dimensional,M Mode Echocardiography,Two Dimensional Echocardiography
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic
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
D013300 Streptokinase Streptococcal fibrinolysin . An enzyme produced by hemolytic streptococci. It hydrolyzes amide linkages and serves as an activator of plasminogen. It is used in thrombolytic therapy and is used also in mixtures with streptodornase (STREPTODORNASE AND STREPTOKINASE). EC 3.4.-. Avelizin,Awelysin,Celiase,Distreptase,Kabikinase,Kabivitrum,Streptase,Streptodecase
D015912 Thrombolytic Therapy Use of infusions of FIBRINOLYTIC AGENTS to destroy or dissolve thrombi in blood vessels or bypass grafts. Fibrinolytic Therapy,Thrombolysis, Therapeutic,Therapeutic Thrombolysis,Therapy, Fibrinolytic,Therapy, Thrombolytic,Fibrinolytic Therapies,Therapeutic Thrombolyses,Therapies, Fibrinolytic,Therapies, Thrombolytic,Thrombolyses, Therapeutic,Thrombolytic Therapies

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