Myocardial ‘No-Reflow’ Prevention

Author(s): Michael Magro, Tirza Springeling, Robert Jan van Geuns, Felix Zijlstra.

Journal Name: Current Vascular Pharmacology

Volume 11 , Issue 2 , 2013

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Abstract:

Despite achievement of optimal epicardial coronary flow in the majority of patients treated for ST-segment elevation myocardial infarction (STEMI) by primary percutaneous coronary intervention (PPCI), myocardial no-reflow is a common phenomenon occurring in 5 to 50% of patients. The no-reflow phenomenon is a predictor of infarct size and an independent predictor of mortality both in the short and long term. Prevention of no-reflow is therefore a crucial step in improving prognosis of patients with STEMI. Several strategies including pharmacological and mechanical ones have been developed to improve microvascular perfusion in the setting of a myocardial infarction. Prevention starts by conservation of the microvascular reserve especially in patients at high risk of acute coronary syndromes such as diabetes patients. Optimal glycaemic control and the use of statins have been shown to reduce no-reflow in this context. Reducing ischaemic time by shortening door to balloon times, administration of intracoronary GP IIb/IIIa antagonists during PPCI and the use of manual aspiration thrombectomy have been shown to result in better myocardial perfusion and improved clinical outcome in major trials. In this review we discuss some of these major trials and studies of other therapeutic options that aim to prevent the no-reflow phenomenon.

Keywords: Myocardial infarction, no-reflow phenomenon, microcirculation, infarct size, pharmacological prevention, mechanical prevention

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Article Details

VOLUME: 11
ISSUE: 2
Year: 2013
Page: [263 - 277]
Pages: 15
DOI: 10.2174/1570161111311020014
Price: $58

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