the effect of percutaneous coronary revascularization on plasma n-terminal pro-b-type natriuretic peptide levels in stable coronary artery disease

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ID: 259349
2018
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Abstract
Background: This study was conducted to assess the effect of percutaneous coronary revascularization (PCR) on plasma NT-proBNP concentration in patients with chronic stable angina (CSA). Methods: This prospective open label interventional study included 22 patients with moderate to severe CSA, normal left ventricular (LV) systolic functions and critical (>90%) proximal stenosis in one of the three major epicardial coronary arteries. After stabilization of medications for 8 weeks, resting supine plasma NT-proBNP levels were measured and patients underwent PCR of the involved vessels. Eight weeks later, with medications unaltered; plasma NT-proBNP levels were repeated and compared with the baseline levels. LV systolic and diastolic functions were assessed before and after PCR. Results: The mean age of the patients was 61.27 ± 8.87 years. Out of 22 patients, 20 were male and 2 were female. PCR was performed on left anterior descending coronary artery (LAD) in 12 patients and in a non-LAD vessel in 10 patients. After 8 weeks of successful PCR, there was a significant overall reduction in mean plasma NT-proBNP levels (from 244.36 ± 218.99 to 168.68 ± 161.61 pg/mL, p = 0.016). The patients who underwent PCR of LAD demonstrated significantly reduced NT-pro-BNP levels after PCR (p = 0.009). In the non-LAD group, NT-proBNP levels also decreased, albeit insignificantly (p = 0.432). Reduction in NT-proBNP was independent of change in LV systolic functions. Conclusion: Successful PCR, by relieving myocardial ischemia, significantly reduced plasma NT-proBNP levels in majority of the patients with chronic stable angina secondary to critical epicardial coronary artery stenosis. Keywords: Coronary artery disease, Chronic stable angina, NT-ProBNP, Percutaneous coronary revascularization
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Journal renewable energy
Year 2018
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