Mean platelet volume and clinical outcomes of patients with chest pain discharged from internal medicine wards

Gil Beeri, Guy Topaz, Alon Y. Hershko, Avi Leader, Yona Kitay-Cohen, David Pereg

Research output: Contribution to journalArticlepeer-review

Abstract

Background Currently, there are no clinical scores for risk stratification of low-risk patients with chest pain. We aimed to examine the association between mean platelet volume (MPV) and risk for adverse clinical outcomes in patients with chest pain discharged from internal medicine wards following acute coronary syndrome (ACS) rule-out. Patients and methods Included were patients who were admitted to internal medicine wards and were discharged following an ACS-rule-out during 2010-2016. The primary endpoint was the composite of all-cause mortality and hospital admission due to ACS at 30-days following hospital discharge. Results Included in the study were12 440 patients who were divided into three groups according to MPV. The composite endpoint of 30-day all-cause mortality and hospital admission for ACS occurred more frequently among patients with high MPV. Each one-point increase in MPV was associated with an 18% increase in the risk for the composite endpoint (P = 0.02). Considering patients with MPV less than 7.8 fl as the reference group yielded adjusted hazard ratios for the composite endpoint that was significantly higher in patients in the high MPV tertile ( > 8.8 fl) (hazard ratio 1.6; 95% confidence interval = 1.1-2.5; P = 0.04). Each one-point increase in MPV was associated with an 11% increase in the risk for 1-year all-cause mortality (P = 0.01) and a 10% increase in the risk for 1-year ACS (P = 0.04). Conclusion We found an independent association between high MPV and the risk of death and ACS among patients with chest pain who were discharged from internal medicine wards following an ACS-rule-out. MPV may be combined in the risk stratification of patients with chest pain.

Original languageEnglish
Pages (from-to)455-460
Number of pages6
JournalCoronary Artery Disease
Volume30
Issue number6
DOIs
StatePublished - 1 Sep 2019

Keywords

  • Acute coronary syndrome
  • Chest pain
  • Internal medicine wards
  • Mean platelet volume
  • Mortality

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