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ORIGINAL ARTICLE
Year : 2020  |  Volume : 8  |  Issue : 2  |  Page : 44-51

Effect of nicorandil on short-term echocardiographic and acute angiographic outcomes in acute coronary syndrome patients undergoing percutaneous coronary intervention


1 Department of Cardiology, Dr. RMLIMS, Lucknow, Uttar Pradesh, India
2 Department of Cardiology, PGIMER, Chandigarh, India

Correspondence Address:
Dr. Ashish Jha
Department of Cardiology, Dr. RMLIMS, Vibhuti Khand, Gomati Nagar, Lucknow, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/heartindia.heartindia_19_20

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Context: Patients with acute coronary syndrome (ACS) often have the suboptimal results of percutaneous coronary intervention (PCI) despite adequate restoration of coronary patency. Aims: This study evaluated the utility of starting nicorandil before PCI in patients with ACS, in terms of acute angiographic and short-term echocardiographic outcomes. Settings and Design: It was a prospective, randomized, blinded, single-center trial; involving stable patients with recent ACS and no prior revascularization. Subjects and Methods: Patients started on intravenous (IV) nicorandil infusion or placebo at least 2 h before PCI, continued till 48 h after PCI. Echocardiographic parameters (left ventricular ejection fraction [LVEF], Wall Motion Score Index (WMSI) score, and myocardial performance index (MPI)) were assessed at baseline and at 4 weeks post-PCI. Thrombolysis in myocardial infarction (TIMI) flow grade and corrected TIMI frame count were assessed before and after PCI. The primary endpoints were improvement in regional wall motion abnormality, MPI, LVEF, and corrected TIMI frame count. The secondary endpoints were the major adverse cardiovascular event (MACE) (cardiac death, angina, myocardial infarction [MI], or revascularization) within 30 days, no reflow, slow flow, and periprocedural MI. Results: Fifty-five patients were recruited over 1 year, of which 13 patients were excluded. There were numerically lower but statistically nonsignificant improvement in slow flow and no reflow in nicorandil arm. Significant improvement in echocardiographic parameter of MPI was seen in nicorandil group at follow-up. There was no significant improvement in other echocardiographic parameters and MACE. Conclusions: In patients with ACS and a single-vessel disease on undergoing PCI for recent ACS, the use of IV nicorandil was associated with a significant improvement in MPI at 1-month follow-up. There was no significant difference in the acute angiographic parameters, MACE, LVEF, or wall motion score index.


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