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  • New Conclusions Regarding C...
    Wang, Caixia; Liu, Xun; Zhou, Yongming; Li, Shaomin; Chen, Yanbing; Wang, Yanni; Lou, Tanqi

    PloS one, 07/2015, Volume: 10, Issue: 7
    Journal Article

    Sevelamer hydrochloride is used widely, but its impact upon cardiovascular calcification, cardiovascular mortality, all-cause mortality and hospitalization is not known. Primary outcome was cardiovascular calcification (coronary artery calcification scores (CACS) and aortic calcification scores (ACS)). Secondary outcomes were serum characteristics, hospitalization, cardiovascular mortality and all-cause mortality. Risk ratio (RR), mean differences and standard mean difference with 95% confidence intervals (CIs) were pooled using random- or fixed-effects models. We identified 31 studies (on 23 randomized controlled trials with 4395 participants). An analysis pooling showed a significant decrease in serum levels of phosphate with calcium-based phosphate binders (CBPBs) by 0.17 mg/dL mean difference (MD), 95% CI, 0.03, 0.31 than sevelamer. A significant difference in the change of CACS by -102.66 MD: 95% CI, -159.51, -45.80 and ACS by -1008.73 MD, 95% CI, -1664.75, -352.72 between sevelamer and CBPBs was observed. Prevalence of hypercalcemia (serum levels of calcium >10.2-10.5 mg/dL and >11.0 mg/dL) was significantly smaller for sevelamer (RR = 0.44, 95% CI, 0.33, 0.58; RR = 0.24, 95% CI, 0.14, 0.40). No significant difference was found in hospitalization, all-cause mortality or cardiovascular mortality. This meta-analysis suggests that sevelamer benefits dialysis patients in terms of CACS, ACS and hypercalcemia.