Celebrating 50 Years: The Development of Cardiopulmonary Bypass and Cardiac Surgery at Mayo Clinic
On March 22, 1955, Linda Stout became the first person at Mayo Clinic — and the second person in the world — to have open-heart surgery with the aid of a heart-lung bypass machine. Her operation opened a new era, establishing Mayo Clinic as a world leader in the new specialty of cardiovascular surgery.
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