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Updated: Aug 23, 2026

Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery
Published on: March 27, 2018
Results of open-heart surgery in high-risk patients
1Department of Cardiovascular Surgery, Pars Hospital, Tehran, Iran.
Abstract:
Of 732 patients undergoing open heart surgery in Pars Hospital Tehran, 127 were classified in a high risk surgical category. Of these, there were 19 mortalities. Three main groups of patients were studied; Group I consisted of those with congenital disorders, such as Ebstein's anomaly and the medical-necrosis type of ascending aneurysms; Group II consisted of reoperation cases; and Group III was composed of patients with cardiomegaly who required double or triple-valve surgery.
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