Prehospital electrocardiographic manifestations of acute myocardial ischemia independently predict adverse hospital outcomes.
Prehospital electrocardiographic manifestations of acute myocardial ischemia independently predict adverse hospital outcomes.
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DOI：
10.1016/j.jemermed.2012.07.089
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发表时间：
2013-05
影响因子：
1.5
通讯作者：
Drew, Barbara J.
中科院分区：
文献类型：
--
作者：
Hemsey, Jessica K. Zegre;Dracup, Kathleen;Fleischmann, Kirsten E.;Sommargren, Claire E.;Paul, Steven M.;Drew, Barbara J.
关键词：
Prehospital electrocardiography (PH ECG) is becoming the standard of care for patients activating emergency medical services (EMS) for symptoms of acute coronary syndrome (ACS). Little is known about the prognostic value of ischemia found on PH ECG. The purpose of this study was to determine whether manifestations of acute myocardial ischemia on PH ECG are predictive of adverse hospital outcomes. The study was a retrospective analysis of all PH ECGs recorded in 630 patients who called “911” for symptoms of ACS and were enrolled in a prospective clinical trial. ST-segment monitoring software was added to the PH ECG device with automatic storage and transmission of ECGs to the destination emergency department (ED). Patients’ medical records were reviewed for adverse hospital outcomes. In 630 patients who called “911” for ACS symptoms, 270 (42.9%) had PH ECG evidence of ischemia. Overall, 37% of patients with PH ECG ischemia had adverse hospital outcomes compared to 27% of patients without PH ECG ischemia (p< .05). Those with PH ECG ischemia were 1.55 times more likely to have adverse hospital outcomes than those without PH ECG ischemia (CI 1.09–2.21, p<0.05), after controlling for other predictors of adverse hospital outcomes (i.e., age, gender, medical history). Evidence of ischemia on PH ECG is an independent predictor of adverse hospital outcomes. ST segment monitoring in the prehospital setting may identify high-risk patients with symptoms of ACS and provide important prognostic information at presentation to the ED.
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