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Letters
December 14, 2005

Circadian Rhythms and Reperfusion in Patients With Acute ST-Segment Elevation Myocardial Infarction

Author Affiliations
 

Letters Section Editor: Robert M. Golub, MD, Senior Editor.

JAMA. 2005;294(22):2846-2847. doi:10.1001/jama.294.22.2846

To the Editor: In their study of the relationship between time of day, timeliness of reperfusion, and in-hospital mortality for patients with acute ST-segment elevation myocardial infarction, Dr Magid and colleagues1 used data from the United States National Registry of Myocardial Infarction and found that patients presenting during off-hours had higher in-hospital mortality than those presenting during regular hours. Moreover, percutaneous coronary intervention reperfusion times were greater during off-hours than regular hours; this might contribute to higher off-hours in-hospital mortality.

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