Chen S, Ma C, Feng X, Cui M. Nicorandil Improves Left Ventricular Myocardial Strain in Patients With Coronary Chronic Total Occlusion.
Front Cardiovasc Med 2022;
9:864223. [PMID:
35647043 PMCID:
PMC9135107 DOI:
10.3389/fcvm.2022.864223]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/17/2022] [Indexed: 11/16/2022] Open
Abstract
Background
Nicorandil is recommended as a second-line treatment for stable angina; however, randomized-controlled trials to evaluate the benefit of nicorandil for patients with chronic total occlusion (CTO) are lacking.
Objective
To determine whether nicorandil can improve left ventricular (LV) myocardial strain in patients with CTO.
Methods
Patients with CTO were included and randomized to the nicorandil group (n = 31) and the control group (n = 30). Nicorandil was given orally at 15 mg/day for 3 months in the nicorandil group. Three-dimensional speckle-tracking echocardiography and the Seattle Angina Questionnaire (SAQ) survey were performed at baseline and at 3 months. The primary study endpoint was the LV global area strain (GAS) at 3 months.
Results
The nicorandil and the control groups were well-matched at baseline, including the mean GAS and SAQ scores. At 3 months, GAS in the nicorandil group was significantly higher than that in the control group (−23.7 ± 6.3% vs. −20.3 ± 5.6%, respectively; p = 0.033). There were no significant differences in LV global longitudinal strain, global circumferential strain, global radial strain, LV ejection fraction, LV end-diastolic volume, and LV end-systolic volume at 3 months between the two groups. At 3 months, the SAQ scores for angina stability, angina frequency, and treatment satisfaction in the nicorandil group were significantly higher than those in the control group.
Conclusion
Nicorandil treatment can improve GAS and angina symptoms in patients with CTO.
Clinical Trial Registration
www.ClinicalTrials.gov, identifier: NCT05087797.
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