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Visfatin Level and The Risk of Hypertension and Cerebrovascular Accident: A Systematic Review and Meta-Analysis.

High blood pressure is related with increased cerebrovascular accident. High visfatin / NAMPT(nicotinamide phosphoribosyltransferase) plasma levels may promote vascular inflammation and atherosclerotic plaque destabilization and have been evaluated as a marker for identifying stages of essential hypertension. However, its role in the pathogenesis of hypertension and cerebrovascular accident (CVA) is still uncertain. In order to review and meta-analyze observational studies investigating visfatin concentration and the risk for hypertension or CVA, a systematic search of PubMed, ovid EMBASE, and Cochrane Central Register of Controlled Trials (CENTRAL) until December 07, 2016 was performed. After data extraction and quality assessment, a meta-analysis was performed using RevMan 5.3 and STATA 14.0. A total of 1693 adults from 8 studies for hypertension (974 with hypertension) and 1696 adults from 7 CVA studies (957 with CVA) were enrolled in the current meta-analysis. Cochran's Q-statistic and I2 test were applied to estimate the heterogeneity of the studies. The fixed-effects were used to compute the weighted mean difference in visfatin levels. Plasma visfatin concentration was much higher in hypertension and CVA patients than in healthy individuals. These evidences suggested the association of hypertension and CVA with higher plasma visfatin level.