The study included 15patients with coronary heart disease (CHD). post-infarction cardiosclerosis. and chronic left ventricular (LV) aneurysm. All patients underwent interventional myocardial revascularization and Dor aneurysmectomy. https://www.diegojavierfares.com/quick-find-Umpqua-U203-U-Series-Hook-clearance/