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Cardiovasc Revasc Med. 2013 Mar-Apr;14(2):81-3. doi: 10.1016/j.carrev.2012.12.002. Epub 2013 Feb 12.

The importance of bifurcation lesions in patients undergoing percutaneous coronary interventions in ST-segment elevation myocardial infarction.

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1
Division of Cardiology, Department of Medicine, Beth Israel Medical Center, New York, NY 10003, USA. yumikanei@hotmail.com

Abstract

BACKGROUND:

Bifurcation lesions at the time of emergent PCI for STEMI are relatively common. However, there are little data regarding their significance. The objective of this study is to evaluate the impact of bifurcation lesions in the setting of emergent percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI).

METHODS:

In 391 patients who underwent primary and rescue PCI, the clinical characteristics, procedural success, and in-hospital cardiac events were compared retrospectively between the patients with and without bifurcation lesions. The PCI strategy was at the discretion of the operator.

RESULTS:

The culprit artery involved a bifurcation lesion in 54/391 (14%) patients. The baseline clinical characteristics between the groups with and without bifurcation lesions were similar. The majority of bifurcation lesions (81%) were seen in the left anterior ascending (LAD) artery. All lesions were treated with the provisional stenting approach, and only 2 (3%) patients required 2 stents. There were no difference in the procedural success and the final TIMI-3 flow, but PCI of bifurcation lesion required higher amount of contrast use. There was no in-hospital MACE in the bifurcation group. The peak cardiac enzyme, left ventricular function, and length of stay were similar in these 2 groups.

CONCLUSIONS:

Bifurcation lesions are relatively common in emergent PCI for STEMI involving the LAD. It can be safely treated with a provisional stenting approach, and the immediate outcome is similar to non-bifurcation lesions.

PMID:
23415387
DOI:
10.1016/j.carrev.2012.12.002
[Indexed for MEDLINE]
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