• Steffen Desch, Anne Freund, Ibrahim Akin, Michael Behnes, Michael R Preusch, Thomas A Zelniker, Carsten Skurk, Ulf Landmesser, Tobias Graf, Ingo Eitel, Georg Fuernau, Hendrik Haake, Peter Nordbeck, Fabian Hammer, Stephan B Felix, Christian Hassager, Thomas Engstrøm, Stephan Fichtlscherer, Jakob Ledwoch, Karsten Lenk, Michael Joner, Stephan Steiner, Christoph Liebetrau, Ingo Voigt, Uwe Zeymer, Michael Brand, Roland Schmitz, Jan Horstkotte, Claudius Jacobshagen, Janine Pöss, Mohamed Abdel-Wahab, Philipp Lurz, Alexander Jobs, Suzanne de Waha-Thiele, Denise Olbrich, Frank Sandig, Inke R König, Sabine Brett, Maren Vens, Kathrin Klinge, Holger Thiele, and TOMAHAWK Investigators.
• From Heart Center Leipzig at the University of Leipzig, Departments of Internal Medicine-Cardiology (S.D., A.F., J.P., M.A.-W., P.L., A.J., H.T.) and Cardiac Surgery (S.W.-T.), Leipzig Heart Institute (S.D., A.F., A.J., H.T.), and University Clinic Leipzig (K.L.), Leipzig, University Heart Center Lübeck (S.D., T.G., I.E., G.F., A.J.) and the Center for Clinical Trials (D.O., S.B., K.K.) and the Institute for Medical Biometry and Statistics (F.S., I.R.K., M.V.), University of Lübeck, Lübeck, the German Center for Cardiovascular Research (S.D., A.F., I.A., M. Behnes, M.R.P., T.A.Z., C.S., U.L., T.G., I.E., G.F., F.H., S.B.F., S.F., J.L., M.J., C.L., C.J., A.J., D.O., F.S., I.R.K., S.B., M.V., K.K.) and University Clinic Charité, Campus Benjamin Franklin (C.S., U.L.), Berlin, University Clinic Mannheim, Mannheim (I.A., M. Behnes), the Department of Cardiology, Angiology, and Pneumology, University Hospital of Heidelberg, Heidelberg (M.R.P., T.A.Z.), Kliniken Maria Hilf, Mönchengladbach (H.H.), University Clinic Würzburg, Würzburg (P.N.), University Clinic Greifswald, Greifswald (F.H., S.B.F.), University Clinic Frankfurt, Frankfurt (S.F.), Rechts der Isar Hospital, Technical University (J.L.), and the Department of Cardiology, German Heart Center (M.J.), Munich, the Department of Cardiology, Pneumology and Intensive Care, St. Vincenz Hospital, Limburg (S.S.), Kerckhoff Clinic, Bad Nauheim (C.L.), the Departments of Acute and Emergency Medicine and of Cardiology and Angiology, Elisabeth Hospital Essen, Essen (I.V.), Klinikum Ludwigshafen, Ludwigshafen (U.Z.), University Clinic Marien Hospital Herne, Klinikum der Ruhr-Universität Bochum, Herne (M. Brand), the University Heart Center, Bad Krozingen (R.S.), Diakonissenkrankenhaus Flensburg, Flensburg (J.H.), University Medicine Göttingen, Göttingen (C.J.), and Vincentius-Diakonissen Hospital, Karlsruhe (C.J.) - all in Germany; the Division of Cardiology, Medical University of Vienna, Vienna (T.A.Z.); and the Department of Cardiology, Rigshospitalet, and the Department of Clinical Medicine, University of Copenhagen - both in Copenhagen (C.H., T.E.).
• N. Engl. J. Med. 2021 Dec 30; 385 (27): 2544-2553.

BackgroundMyocardial infarction is a frequent cause of out-of-hospital cardiac arrest. However, the benefits of early coronary angiography and revascularization in resuscitated patients without electrocardiographic evidence of ST-segment elevation are unclear.MethodsIn this multicenter trial, we randomly assigned 554 patients with successfully resuscitated out-of-hospital cardiac arrest of possible coronary origin to undergo either immediate coronary angiography (immediate-angiography group) or initial intensive care assessment with delayed or selective angiography (delayed-angiography group). All the patients had no evidence of ST-segment elevation on postresuscitation electrocardiography. The primary end point was death from any cause at 30 days. Secondary end points included a composite of death from any cause or severe neurologic deficit at 30 days.ResultsA total of 530 of 554 patients (95.7%) were included in the primary analysis. At 30 days, 143 of 265 patients (54.0%) in the immediate-angiography group and 122 of 265 patients (46.0%) in the delayed-angiography group had died (hazard ratio, 1.28; 95% confidence interval [CI], 1.00 to 1.63; P = 0.06). The composite of death or severe neurologic deficit occurred more frequently in the immediate-angiography group (in 164 of 255 patients [64.3%]) than in the delayed-angiography group (in 138 of 248 patients [55.6%]), for a relative risk of 1.16 (95% CI, 1.00 to 1.34). Values for peak troponin release and for the incidence of moderate or severe bleeding, stroke, and renal-replacement therapy were similar in the two groups.ConclusionsAmong patients with resuscitated out-of-hospital cardiac arrest without ST-segment elevation, a strategy of performing immediate angiography provided no benefit over a delayed or selective strategy with respect to the 30-day risk of death from any cause. (Funded by the German Center for Cardiovascular Research; TOMAHAWK ClinicalTrials.gov number, NCT02750462.).Copyright © 2021 Massachusetts Medical Society.

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