Organization of the GWC 1338 1.3. Review and Approval 1238 2. CULPRIT ARTERY ONLY VERSUS MULTIVESSEL PCI 1239 3. ASPIRATION THROMBECTOMY 1240 REFERENCES 1241 Author Relationships With Industry and Other Entities (Relevant) 1243 Author Relationships With Industry and Other Entities (Relevant) 1245 Reviewer Relationships With Industry and Other Entities (Relevant) 2015 Focused Update on Primary Percutaneous Coronary Intervention for Patients With ST-Elevation Myocardial Infarction (Combined Peer Reviewers From 2011 PCI and 2013 STEMI Guidelines) 1247 PREAMBLE To ensure that guidelines re ect current knowledge, available treatment options, and optimum medical care, existing clinical practice guideline recommendations are modi ed and new recommendations are added in response to new data, medications or devices. To keep pace with evolving evidence, the American College This document was approved by the American College of Cardiology Board of Trustees and Executive Committee, the American Heart Association Science Advisory and Coordinating Committee, and the Society of Cardiovascular Angiography and Interventions in September 2015, and by the American Heart Association Executive Committee in October 2015. The American College of Cardiology requests that this document be cited as follows: Levine GN, O Gara PT, Bates ER, Blankenship JC, Kushner FG, Ascheim DD, Bailey SR, Bittl JA, Brindis RG, Casey DE Jr, Cercek B, Chambers CE, Chung MK, de Lemos JA, Diercks DB, Ellis SG, Fang JC, Franklin BA, Granger CB, Guyton RA, Hollenberg SM, Khot UN, Krumholz HM, Lange RA, Linderbaum JA, Mauri L, Mehran R, Morrow DA, Moussa ID, Mukherjee D, Newby LK, Ornato JP, Ou N, Radford MJ, Tamis-Holland JE, Ting HH, Tommaso CL, Tracy CM, Woo YJ, Zhao DX. 