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Analysis of weekend effect on 30-day mortality among patients with acute myocardial infarction
  1. Rebecca Noad1,
  2. Michael Stevenson2 and
  3. Niall A Herity1
  1. 1 Department of Cardiology, Belfast HSC Trust, Belfast, Northern Ireland
  2. 2 Centre for Public Health, Queen’s University Belfast, Belfast, Northern Ireland
  1. Correspondence to Dr Niall A Herity; Niall.Herity{at}belfasttrust.hscni.net

Abstract

Objectives Several publications have demonstrated increased 30-day mortality in patients admitted on Saturdays or Sundays compared with weekdays. We sought to determine whether this was true for two different cohorts of patients admitted with acute myocardial infarction (MI).

Methods and results Thirty-day mortality data were obtained for 3757 patients who had been admitted to the Belfast Health and Social Care Trust with acute MI between 2009 and 2015. They were subdivided into those presenting with ST elevation MI (n=2240) and non-ST elevation MI (n= 1517). We observed no excess 30-day mortality in those admitted over weekends.

Conclusion Excess mortality in patients admitted at weekends is not a universal finding. This may mean that that there are patient subgroups with proportionately greater weekend hazard and points to the need for more detailed understanding of the weekend effect.

  • Delivery of care
  • primary PCI
  • acute coronary syndrome

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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