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[FIRST OPERATION ON OPEN HEART IN HYPOTHERMIA PERFORMED IN CROATIA IN 1957]
Abstract:
On October 25, 1957, the first open heart surgery in hypothermia was performed in Zagreb, at the Department of Surgery, Dr. Ozren Novosel University Hospital (now Merkur University Hospital), in a female patient with pulmonary valve stenosis under the control of the eye and with interruption of venous circulation. It was the first such operation performed in hypothermia not only in Croatia, but probably in the territory of former Yugoslavia.

