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  1. Ben Soar
  1. Correspondence to Dr Ben Soar, Royal Cornwall Hospital, Truro, Cornwall TR1 3LJ, UK; benjamin.soar{at}

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Statins in pneumonia

Statins are known to have anti-inflammatory and immunomodulatory effects. Retrospective studies have suggested a benefit in community-acquired pneumonia. This prospective study (Clin Infect Dis doi:10.1093/cid/ciw174) enrolled a total of 2016 patients, 483 (24%) were statin users, 1533 (76%) were not. The primary outcome was length of hospital stay (LOS) with mortality a secondary outcome. No statistical difference was found between LOS and mortality in the two groups, even when stratified for pneumonia severity. The authors conclude that there is no evidence of benefit for statin users.

Endobronchial coils in severe emphysema

This randomised clinical trial (JAMA 2016;315:2178–89) included 315 patients with emphysema and severe air trapping, recruited from multiple centres in the USA and Europe. Patients were randomly assigned to continued usual care alone (157) versus usual care plus bilateral coil treatment (158). Coil treatment involved two treatments four months apart with 10–14 coils placed in a single lobe of each lung. Primary outcome was the difference in a 6 min walk test …

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