Intended for healthcare professionals

Letters β blockers and mortality in COPD

Major changes in practice and interpreting data from the past

BMJ 2014; 348 doi: (Published 29 January 2014) Cite this as: BMJ 2014;348:g1131
  1. Filippo Sanfilippo, senior clinical fellow in cardiac intensive care1,
  2. Cristina Santonocito, senior clinical fellow in cardiac intensive care1,
  3. Pierre Foex, professor of anaesthesia (retired)1
  1. 1John Radcliffe Hospital, Oxford OX3 9DU, UK
  1. filipposanfi{at}

Quint and colleagues recently published the results of their investigation into the role of β blockers in patients with chronic obstructive pulmonary disease (COPD) having a first myocardial infarction.1 They obtained data from the UK national registry of myocardial infarction between 2003 and 2008. The primary outcome of all …

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