IMPACT OF MYOCARDIAL BLUSH ON LEFT VENTRICULAR REMODELING IN PATIENTS TREATED SUCCESSFULLY WITH PRIMARY OR RESCUE CORONARY INTERVENTION

Document Type : Original Article

Authors

Cardiology Department, Faculty of Medicine, Zagazig University.

Abstract

Background: Myocardial blush grade (MBG) in patients treated successful primary or rescue percutaneous coronary intervention (PCI) for anterior ST elevation myocardial infarction (STEMI) is a good indicator of microvascular reperfusion that may impact left ventricular (LV) remodeling.
Methods: this study included 60 consecutive patients suffered from anterior STEMI whom primary or rescue PCI were done , we evaluate MBG after primary or rescue PCI immediately . For each patient transthoracic echocardiography was done at 24 hours and repeat after 6 months after PCI for evaluation of LV function and volumes.
Results: patients with myocardial reperfusion MBG ( II-III) after primary or rescue PCI was associated with a highly significantly lower rate of remodeling than the absence of myocardial reperfusion MBG (0-1) (12.1% vs. 75 %, P <0.001). also, after 6 months, patients with MBG ( II-III) had significantly smaller LV end-diastolic volume (99 ± 23 vs. 113 ± 27 ml) compared with patients with MBG (0-1). LV remodeling was defined as an increase in end-diastolic volume (LVED) by more than 20%.
Conclusions: Microvascular reperfusion impairment , that assessed by MBG (0-1) in patients with STEMI treated successfully with primary or rescue PCI may be associated with LV dilatation and remodeling.

Keywords

Zagazig University Medical Journal
Volume 22, Issue 1
January and February 2016
Pages 1-10

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