Word: heparin
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Dates: during 1940-1949
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...local anesthetic, cut open the arteries high on each leg, broke up the blood clot with a special probe, then sucked out the pieces with a long, slender tube. As soon as his blood vessels were stitched up, the patient was given transfusions and large injections of heparin, a liver extract which prevents clotting. Immediately after the operation, said Drs. Ravdin and Wood, "the color and temperature of the right leg returned to normal." His left leg recovered more slowly. For almost two weeks after the operation, heparin was constantly dripped into his veins...
...blood vessels - they don't need to. That fact was conclusively documented last week by two Swedish doctors who rounded up the data on a preventive. For over a year, doctors have occasionally used this new treatment to prevent thrombosis. It consists of large doses of heparin, a natural anticoagulant manufactured by the liver...
...Journal of the American Medical Association, Drs. Clarence Crafoord and Erik Jorpes of Stockholm told how they injected heparin (made from the lungs and livers of cattle) in 325 middle-aged patients who had had serious operations...
Injections were given four hours after the operation, continued four times a day for over a week. Not one of the patients developed thrombosis. Their wounds all healed in normal time. Of 1,111 patients not given heparin, 9% had various forms of thrombosis...