stenting, thrombolytic therapy, pneumonectomy, cholecystectomy, cabg, hepatectomy, tavr, colectomy, cystectomy, lobectomy, tavi, adenoidectomy, thyroidectomy, nephrectomy, stenoses, thromboembolism, parathyroidectomy, laparoscopic cholecystectomy, orchiectomy, thrombolysis, adrenalectomy, thoracotomy, chlorthalidone, tace, recanalization, oophorectomy, angioplasty, prostatectomy, flexible sigmoidoscopy, antiarrhythmic drug, chlorambucil, arteriography, warfarin, renal insufficiency, haemorrhagic stroke, vitrectomy, gastrectomy, endometrial carcinoma, fluorouracil, aortic stenosis, fibrinolysis, ascus, fluvastatin, pcr, radial artery, varices, angiography, venous thrombosis, myocardial infarction, patency, polypectomy, ketorolac, arthroplasty, cannulation, paracentesis, malignant neoplasm, amiodarone, enalapril, pancreatectomy, autograft, postop, guaiac, celecoxib, adenoma, resection, alpha blocker, laparotomy, saphenous vein, csa, anticoagulation, electrocautery, esophagitis, sigmoidoscopy, enucleation, angiotensin converting enzyme inhibitor, arthrography, pyelonephritis, venography, thymectomy, uppp, atrioventricular valve, palliation, catheterization, coronary bypass, cardiogenic shock, captopril, cardiac tamponade, streptokinase, homograft, sympathectomy, axillary node, pheochromocytoma, spironolactone, photocoagulation, combivir, nifedipine, beta blocker, statin, nadolol, labetalol, indomethacin, leukopenia, revascularization, lymphadenectomy, bypass, craniotomy, arteriogram, laminectomy, hysterectomy, occlusions, angiogram, excision