• 1. Department of Cardiology, the First Hospital of Shanxi Medical University, Taiyuan 030001, P. R. China;
  • 2. Department of Statistics, Shanxi Medical University, Taiyuan 030001, P. R. China;
  • 3. Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Taiyuan 030001, P. R. China;
  • 4. Shanxi University of Chinese Medicine, Taiyuan 030001, P. R. China;
HAN Qinghua, Email: syhqh@sohu.com; ZHANG Yanbo, Email: sxmuzyb@126.com
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Objective To evaluate the effect of statins on amino-terminal brain natriuretic peptide (NT-proBNP), grade of New York Heart Association (NYHA), and ejection fraction (EF) in patients with chronic heart failure (CHF) using marginal structural model. Methods A total of 297 patients with CHF from two medical centers in Shanxi province were sequentially enrolled from January 2018 to December 2020. The medical records were collected. Confounding factors were analyzed by t-test, Chi-square test and logistic regression. The random forest algorithm was used to estimate the weight of inverse probability. The marginal structural model was applied to evaluate the effects of statins. Results Using logistic regression to exclude the influence of baseline confounders, the results showed that statins had no significant effect on the level of NT-proBNP in patients with CHF. The marginal structural model which excluded the influence of baseline confounders, time-dependent confounders and treatment conversion factors showed that statins significantly reduced NT-proBNP (OR=0.699, 95%CI 0.528 to 0.926, P=0.012). Statins had no significant effects on NYHA and EF. Conclusion Statins can effectively reduce the level of NT-proBNP in patients with CHF.

Citation: TIAN Jing, DU Yutao, WANG Yujing, ZHANG Yajing, YAN Jingjing, HAN Qinghua, ZHANG Yanbo. The causal effects of statins to the prognosis of chronic heart failure. Chinese Journal of Evidence-Based Medicine, 2023, 23(6): 621-626. doi: 10.7507/1672-2531.202211137 Copy

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