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Biomedical subjects

R D Sautter

Publications and source records attributed to R D Sautter.

At least 19 recordsLinked to original sources

Enhanced streptokinase-induced thrombolysis using heparin in a rabbit model.

Heparin potentiation of clot lysis by streptokinase was studied in a rabbit model. Clot was initiated in the rabbit aorta with stasis and thrombin and allowed to naturally propagate proximally until stasis met flow. The clot was allowed to age for 1 h before assigning treatment. Fifteen rabbits (group I) were given streptokinase (10,000 IU/h) and 11 rabbits (group II) were given streptokinase (10,000 IU/h) plus sodium-heparin (120 IU/h). Thrombolytic therapy was continued for 5 h. Clot lysis averaged 30% in group I and 70% in group II. Ten of 11 rabbits in group II had more than 50% clot lysis, whereas only 4 of 15 in group I had this degree of lysis. One group II rabbit and four group I rabbits died prematurely; each was noted to have clot propagation at the time of death. While a trend for amelioration of hypofibrinogenemia was observed in the group receiving both streptokinase and heparin, this difference was not statistically significant. We conclude, in the animal model, that thrombolysis by a combination of heparin and streptokinase is more effective than streptokinase alone. Systemic effects are apparently no worse with the combination.

Animals↗

Lyme hysteria.

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Antibodies, Bacterial↗

Surgeons and AIDS.

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Acquired Immunodeficiency Syndrome↗

Etiology and prevention of thromboembolic disease. Taming a complex circulatory malfunction.

Deep venous thrombosis is a complex process involving many factors in the circulatory system, an important one apparently being the intrinsic fibrinolytic system. Specific activators of the process include venous trauma and hypercoagulability states. In spite of efforts at prophylaxis, venous thrombosis will occur, a dangerous condition in itself and also a precursor of pulmonary embolism. Several schemes for prophylaxis, including drug regimens and mechanical means, have been tried, and future research will surely identify others. A patient's best protection against thrombosis at present, however, is a vigilant physician with a high index of suspicion who will expedite diagnosis and treatment if necessary.

Antithrombin III Deficiency↗