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Assessment of diltiazem in heart failure with preserved left ventricular ejection fraction patients |
Li Bin, Kang Ai-ling, Shen Jie, Chen De-chang |
Shanghai Jiading Anting Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201805, China |
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Abstract Objective To investigate the effectiveness of diltiazem in heart failure with preserved ejection fraction (HF-PEF) patients. Methods The study involved 87 subjects diagnosed with HF-PEF. They were randomly divided into two group: 42 subjects assigned into control group, received traditional anti-heart failure optimal medical therapy; 47 subjects assigned into treatment group, not only received traditional optimal medical therapy but also diltiazem therapy. The New York Heart Association (NYHA) functional class and six-minute walking test (6MWT) and B-type natriuretic peptide (BNP) were recorded, ratio of mitral velocity to early diastolic velocity of the mitral annulus were detected by echocardiogram before and after treatment. The treatment lasted three months. Results The total effective rate (62.22%vs.47.62%)in treatment group was higher than it in control group, while 6MWT(m:520.63±62.41 vs. 223.64±23.47) and E/E' (8.28±4.92 vs. 10.28±5.21) and BNP (pg/mL:223.64±23.47 vs.170.36±21.39) in treatment group after treatment improved significantly than those in control group. There was statistically significant difference (P<0.05). Conclusion Diltiazem could improve the symptoms and cardiac diastolic function in HF-PEF.
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Corresponding Authors:
Chen De-chang, E-mail: 18918520002@189.cn
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