2005;38:367 75. 207. Resnic FS, Normand S-LT, Piemonte TC, et al. Improvement in mortality risk prediction after percutaneous coronary intervention through the ad- dition of a compassionate use variable to the National Cardiovascular Data Registry CathPCI Dataset: a study from the Massachusetts Angio- plasty Registry. J Am Coll Cardiol. 2011;57:904 11. 208. Zijlstra F, Hoorntje JC, de Boer MJ, et al. Long-term benefit of primary angioplasty as compared with thrombolytic therapy for acute myocardial infarction. N Engl J Med. 1999;341:1413 9. 209. The Global Use of Strategies to Open Occluded Coronary Arteries in Acute Coronary Syndromes (GUSTO IIb) Angioplasty Substudy Inves- tigators. A clinical trial comparing primary coronary angioplasty with tissue plasminogen activator for acute myocardial infarction. N Engl J Med. 1997;336:1621 8. Erratum in: N Engl J Med. 1997;337:287. 210. Grzybowski M, Clements EA, Parsons L, et al. Mortality benefit of im- mediate revascularization of acute ST-segment elevation myocardial infarction in patients with contraindications to thrombolytic therapy: a propensity analysis. JAMA. 2003;290:1891 8. 211. Zahn R, Schuster S, Schiele R, et al; Maximal Individual Therapy in Acute Myocardial Infarction (MITRA) Study Group. Comparison of primary angioplasty with conservative therapy in patients with acute myocardial infarction and contraindications for thrombolytic therapy. Catheter Cardiovasc Interv. 1999;46:127 33. 212. Hochman JS, Sleeper LA, Webb JG, et al; for the SHOCK Investigators. Early revascularization in acute myocardial infarction complicated by cardiogenic shock. N Engl J Med. 1999;341:625 34. 213. Hochman JS, Lamas GA, Buller CE, et al. Coronary intervention for persistent occlusion after myocardial infarction. N Engl J Med. 2006;355:2395 407. 214. Thune JJ, Hoefsten DE, Lindholm MG, et al. Simple risk stratification at admission to identify patients with reduced mortality from primary angioplasty. Circulation. 2005;112:2017 21. 215. Wu AH, Parsons L, Every NR, et al. 