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November 24, 1962

Coronary Blockage and Valve Replacement Views Presented

JAMA. 1962;182(8):37-38. doi:10.1001/jama.1962.03050470075031

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Experiments that may help overcome some of the technical difficulties connected with surgery to remove local blockage in the coronary arteries nourishing the heart were reported at the American Heart Association meeting last month by two Massachusetts surgeons.

From Veterans Administration Hospital at West Roxbury, Drs. K. N. Chatterjee and R. Warren described a procedure for reconstructing a coronary artery by using a tissue patch from a nearby blood vessel. The technique is still in the experimental stage and has been carried out only in dogs thus far, they said.

The problem arising in coronary artery surgery which the new procedure may help overcome is the shrinkage of the artery at the point where it is opened in order to remove a clot or fatty deposit blocking the flow of blood to the heart muscle. Normally the edges of the cut would be sewn together. In healing, however, the sutured