title: Heart muscle changes after open heart surgery.
mesh_terms: D001014:Aortic Aneurysm / Q000601:surgery; D001021:Aortic Valve; D006348:Cardiac Surgical Procedures / Q000009:adverse effects*; D004487:Edema / Q000209:etiology; D006344:Heart Septal Defects, Atrial / Q000601:surgery; D006345:Heart Septal Defects, Ventricular / Q000601:surgery; D006350:Heart Valve Prosthesis; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D008943:Mitral Valve; D009206:Myocardium / Q000473:pathology*; D013194:Staining and Labeling