Medicine · 2022
Is vitamin D deficiency a risk factor for all-cause mortality and rehospitalization in heart failure patients?: A systematic review and meta-analysis.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод пока не подготовлен
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Wang Xiuming, Wang Jun, Gao Tingting, Sun Haitao, Yang Baisong
Аннотация
OBJECTIVE: The association of low 25-hydroxyvitamin D level with mortality and rehospitalization remains inconsistent in patients with heart failure. This systematic review and meta-analysis aimed to evaluate the value of blood 25-hydroxyvitamin D level in predicting all-cause mortality and hospitalization in heart failure patients.
METHODS: Two reviewers independently search the articles indexed in PubMed and Embase databases until November 30, 2021. Only the prospective or retrospective cohort studies evaluating the association of blood 25-hydroxyvitamin D level with all-cause mortality and rehospitalization in heart failure patients were selected. The predictive value of 25-hydroxyvitamin D level was summarized by pooling multivariable adjusted risk estimates for the bottom versus reference top 25-hydroxyvitamin D level.
RESULTS: Seven studies with a total of 5941 patients with heart failure were identified. The pooled adjusted risk ratio (RR) of all-cause mortality was 1.37 (95% confidence interval [CI] 1.13-1.66), with significant heterogeneity (I2 = 70.5%; P = 0.002). However, there was no clear association between low 25-hydroxyvitamin D level and all-cause rehospitalization risk (RR 1.38; 95% CI 0.87-2.19).
CONCLUSIONS: Low blood level of 25-hydroxyvitamin D may be an independent risk factor for all-cause mortality in patients with heart failure. Serum 25-hydroxyvitamin D level may provide prognostic information in heart failure patients. Additional randomized controlled trials are required to explore whether treatment of 25-hydroxyvitamin D deficiency by supplementation of vitamin D can improve survival in heart failure patients.
METHODS: Two reviewers independently search the articles indexed in PubMed and Embase databases until November 30, 2021. Only the prospective or retrospective cohort studies evaluating the association of blood 25-hydroxyvitamin D level with all-cause mortality and rehospitalization in heart failure patients were selected. The predictive value of 25-hydroxyvitamin D level was summarized by pooling multivariable adjusted risk estimates for the bottom versus reference top 25-hydroxyvitamin D level.
RESULTS: Seven studies with a total of 5941 patients with heart failure were identified. The pooled adjusted risk ratio (RR) of all-cause mortality was 1.37 (95% confidence interval [CI] 1.13-1.66), with significant heterogeneity (I2 = 70.5%; P = 0.002). However, there was no clear association between low 25-hydroxyvitamin D level and all-cause rehospitalization risk (RR 1.38; 95% CI 0.87-2.19).
CONCLUSIONS: Low blood level of 25-hydroxyvitamin D may be an independent risk factor for all-cause mortality in patients with heart failure. Serum 25-hydroxyvitamin D level may provide prognostic information in heart failure patients. Additional randomized controlled trials are required to explore whether treatment of 25-hydroxyvitamin D deficiency by supplementation of vitamin D can improve survival in heart failure patients.