Affiliation:
1. Department of Clinical Pharmacy, Ningbo Yinzhou No. 2 Hospital, Ningbo, Zhejiang 315100, China
2. Department of Encephalopathy, Wuxi No. 2 Chinese Medicine Hospital, Wuxi, Jiangsu 214121, China
3. Department of Science and Education Section, Wuxi No. 2 Chinese Medicine Hospital, Wuxi, Jiangsu 214121, China
4. Department of Cardiovascular Medicine, Wuhan Caidian District People’s Hospital, Wuhan, Hubei 430100, China
Abstract
Objective. The aim of the study is to explore the curative effect of Yangxin Dingji capsule combined with mexiletine hydrochloride on postoperative ventricular arrhythmia (VA) and its influences on vascular endothelial function in coronary bifurcation lesions (CBL). Methods. A total of 110 patients with CBL admitted to the hospital were enrolled as research subjects between January and December 2021. According to the random number table method, they were divided into a combination group and control group, with 55 cases in each group. The control group was treated with mexiletine hydrochloride, while the combination group was additionally treated with Yangxin Dingji capsules. All were continuously treated for 4 weeks. The clinical response rate between the two groups was compared. The frequencies of 24 h paroxysmal atrial fibrillation, premature atrial contraction, and premature ventricular contraction were compared by the Holter monitoring. The whole blood low-shear viscosity, whole blood high-shear viscosity, and fibrinogen (Fb) in both groups were measured by a full-automatic blood flow analyzer. The levels of plasma nitric oxide (NO), endothelin-1 (ET-1), and von Willebrand factor (vWF) were detected by the nitrate reductase method and enzyme-linked immunosorbent assay (ELISA). During treatment, the occurrence of adverse reactions (vomiting, loss of appetite, dry mouth, diarrhea, nausea) in both groups was statistically analyzed. Results. After treatment, the total response rate of treatment in the combination group was significantly higher than that in the control group (
). After treatment, frequencies of paroxysmal atrial fibrillation, premature atrial contraction, and premature ventricular contraction in the combination group were significantly lower than those in the control group (
). Whole blood low-shear viscosity, whole blood high-shear viscosity, and the Fb level were significantly lower than those in the control group (
). After treatment, the NO level in the combination group was significantly higher than that in the control group (
), while levels of ET-1 and vWF were significantly lower than those in the control group (
). During treatment, there was no significant difference in the total incidence of adverse reactions between the two groups (
). Conclusion. Yangxin Dingji capsule combined with mexiletine hydrochloride can significantly improve clinical effects in CBL patients, improve VA and vascular endothelial function, and reduce plasma viscosity without increasing the incidence of adverse reactions.
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