Admission mean platelet volume was associated with an increased risk of long-term mortality in patients with acute coronary syndrome (HR 1.33; 95% CI 1.19-1.48).
Meta-Analysis (n=33,443)
Does admission mean platelet volume predict major adverse cardiovascular events and mortality in patients with acute coronary syndrome?
Admission mean platelet volume is significantly associated with long-term mortality in patients with acute coronary syndrome, suggesting its potential utility as a prognostic marker.
Effect estimate: HR 1.33 (95% CI 1.19-1.48)
Mean platelet volume (MPV) is a hematological index that is routinely measured in clinical settings. Although many studies have been conducted to investigate the prognostic significance of MPV in acute coronary syndromes (ACS), the findings have been inconsistent. The goal of this study was to systematically review all current evidence on the association between admission MPV and clinical outcomes after ACS. PubMed, Scopus, Web of Science, and other databases were searched. The primary endpoints were major adverse cardiovascular events (MACE) and mortality. We applied a Knapp and Hartung adjustment, prediction interval calculations and permutation tests during pairwise meta-analyses. A one-stage dose-response meta-analysis was also conducted. The meta-analysis consisted of 41 studies with 33443 participants. Mean platelet volume, as a continuous variable, was associated with the risk of long-term mortality (hazard ratio 1.33, 95% CI 1.19-1.48). After conducting permutation tests and calculation of prediction intervals, this association remained significant. The results for MACE were nonsignificant. Linear models were the best fitted models during dose-response meta-analyses, trends for nonlinearity were significant for long-term endpoints. Admission MPV was associated with long-term mortality in ACS patients, with nonlinear associations between MPV levels and long-term clinical outcomes.
Galimzhanov et al. (Fri,) conducted a meta-analysis in Acute Coronary Syndrome (n=33,443). Mean platelet volume (MPV) was evaluated on Major adverse cardiovascular events (MACE) and mortality (HR 1.33, 95% CI 1.19-1.48). Admission mean platelet volume was associated with an increased risk of long-term mortality in patients with acute coronary syndrome (HR 1.33; 95% CI 1.19-1.48).
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