Medicine: Artery Welding

When a big artery is severed, the parallel, subsidiary blood pipelines only rarely function well enough to prevent gangrene; in the war in Tunisia, gangrene developed in 70% of severed artery cases. The standard technique of sewing severed blood vessels together, devised by the late Dr. Alexis Carrel, is successful only 40% of the time—under the best conditions. It was therefore a major medical event when Dr. Arthur H. Blakemore of Columbia's College of Physicians and Surgeons and Dr. Jere W. Lord of Cornell University medical school found a new way of welding broken arteries that succeeds about nine times out...

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