ISSN 2149-2263 | E-ISSN 2149-2271
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Functional Significance of Cardiac Rehabilitation-Regulated Expression of Circulating MicroRNA-423-5p in Hypertensive Patients with Heart Failure with a Moderately Reduced Ejection Fraction [Anatol J Cardiol]
Anatol J Cardiol. 2022; 26(5): 366-372 | DOI: 10.5152/AnatolJCardiol.2021.276

Functional Significance of Cardiac Rehabilitation-Regulated Expression of Circulating MicroRNA-423-5p in Hypertensive Patients with Heart Failure with a Moderately Reduced Ejection Fraction

Ying Huang1, Yun Zhang1, Wenzheng Nong2, Biyang Lan3, Dingmin Zhang4
1Department of Cardiovascular Medicine, Minzu Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
2Department of Obstetrics and Gynecology, Minzu Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
3Department of Cardiothoracic Surgery, Minzu Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
4Department of ECG, Minzu Hospital of Guangxi Zhuang Autonomous Region, Nanning, China

Background: Hypertension is a vital risk factor for heart failure, while cardiac rehabilitation can effectively improve cardiac function of heart failure patients. This study aimed to determine the impact of cardiac rehabilitation on microRNA-423-5p in hypertensive patients with heart failure with a moderately reduced ejection fraction.

Methods: Sixty hypertensive patients with heart failure with a moderately reduced ejection fraction were randomly divided into cardiac rehabilitation group and positive control group with 30 cases per group, while 30 hypertensive patients without heart failure were recruited as negative control group. The cardiac rehabilitation group and positive control group were treated with 1-month cardiac rehabilitation combined with the routine treatment and routine treatment only, respectively. The New York Heart Association classification, 6-minute walking test, and color Doppler echocardiography were adopted to detect cardiac function. Meanwhile, the expression of microRNA-423-5p and N-terminal pro-B-type natriuretic peptide was determined via Real-Time Fluorescence Quantitative PCR and electrochemiluminescence immunoassay. The diagnostic potential of microR-423-5p and N-terminal pro-B-type natriuretic peptide was assessed by ROC curve analysis and multivariate linear regression model.

Results: Patients in cardiac rehabilitation group displayed significantly lower expression of microR-423-5p and better results of New York Heart Association classification, 6-minute walking test, and color Doppler echocardiography than those in positive control group (P <.05). ROC analysis showed that microR-423-5p (AUC = 0.785; 95% CI: 0.686-0.865; sensitivity = 73.33%; specificity = 73.33%) had better specificity and accuracy than N-terminal pro-B-type natriuretic peptide (AUC = 0.721; 95% CI: 0.617-0.811; sensitivity = 81.67%; specificity = 63.33%).

Conclusion: MicroR-423-5p was implicated in left ventricular hypertrophy and might be a potential biomarker for assessing the therapeutic effect of cardiac rehabilitation on hypertensive patients with heart failure with a moderately reduced ejection fraction.

Keywords: MicroRNAs, hypertension, heart failure, cardiac rehabilitation, biological markers

Ying Huang, Yun Zhang, Wenzheng Nong, Biyang Lan, Dingmin Zhang. Functional Significance of Cardiac Rehabilitation-Regulated Expression of Circulating MicroRNA-423-5p in Hypertensive Patients with Heart Failure with a Moderately Reduced Ejection Fraction. Anatol J Cardiol. 2022; 26(5): 366-372

Corresponding Author: Ying Huang
Manuscript Language: English


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