Kontos MC, et al. - Whether hospitals accepting cardiac arrest transfers will have increased hospital myocardial infarction (MI) mortality, was investigated using the Acute Coronary Treatment Intervention Outcomes Network Registry. Participants were MI patients (ST elevation MI [STEMI] and non-ST elevation MI [NSTEMI]). On the basis of the proportion of cardiac arrest MI patients, they divided hospitals into tertiles. They used logistic regression adjusting for case mix in order to compare the link between in-hospital mortality and hospital tertiles of cardiac arrest. Overall, this study included 252,882 patients from 224 hospitals, of whom 9682 (3.8%) had cardiac arrest (1.6% of NSTEMI and 7.5% of STEMI patients). Findings revealed a low proportion of MI patients had cardiac arrest. Between hospitals that had increased proportions of cardiac arrest MI patients, no significant difference was found in in-hospital mortality among all MI patients. For most hospitals, treating cardiac arrest patients with MI was unlikely to result in an adverse impact on overall MI mortality.