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Editor's Correspondence
May 23, 2011

Percutaneous Intervention for Non–ST-Segment Elevation Myocardial Infarction Within the Therapeutic Time Window for Acute Myocardial Infarction

Author Affiliations

Author Affiliation: Manchester Medical Society, John Rylands University Library of Manchester, Manchester, England.

Arch Intern Med. 2011;171(10):941-954. doi:10.1001/archinternmed.2011.191

Given that as many as 47% of patients with non–ST-segment elevation myocardial infarction (non-STEMI) belong to the grade “0” Thrombolysis in Myocardial Infarction (TIMI) flow category (when angiography is performed, which, in most patients, is within 6 hours of arrival in hospital),1 it may be premature to state that

in the absence of ST-segment elevation, there is no therapy that can provide a large benefit such as immediate reperfusion with primary PCI or fibrinolytics.2(p1839)

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