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BJA Advance Access originally published online on March 27, 2008
British Journal of Anaesthesia 2008 100(5):663-666; doi:10.1093/bja/aen038
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© The Board of Management and Trustees of the British Journal of Anaesthesia 2008. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

Role of routine chest radiography after percutaneous dilatational tracheostomy

V. M. Kumar1, C. A. Grant1,*, M. W. Hughes1, E. Clarke1, E. Hill1, T. M. Jones2 and G. A. Dempsey1

1 Critical Care Unit
2 Ear, Nose and Throat Department, University Hospital Aintree, Liverpool, UK

* Corresponding author. E-mail: cg{at}doctors.net.uk

Background: The role of routine chest radiography (CXR) after percutaneous dilatational tracheostomy (PDT) has been questioned.

Methods: We performed a prospective observational study, on a mixed medical/surgical critical care unit in a university teaching hospital. We studied all patients undergoing PDT as part of their critical care management from November 1, 2003 until July 31, 2007. All PDTs were performed under bronchoscopic guidance. After PDT, we reviewed the immediate post-procedural films to assess the utility of routine postoperative CXR. For the purposes of CXR review, we considered a procedure to be either uncomplicated or technically difficult. Clinically relevant CXR findings were new barotrauma (pneumothorax, pneumomediastinum) or a significant change in consolidation from the pre-procedure film.

Results: A total of 384 patients underwent PDT during the study period. Of these, 345 had immediate post-procedural CXRs available for review. There were 252 PDTs (73%) documented as uncomplicated. There were 93 (27%) technically difficult procedures, with 107 adverse events recorded. In 82 (24%) procedures, these difficulties were described as minor procedural complications [multiple attempts at needle insertion (≥3), minor bleeding or tracheal ring fracture]. Significant complications (mal-placement in the anterior mediastinum and major bleeding) were documented in 12 (3.5%) patients. New abnormalities were noted on 8 (2.3%) immediate post-procedural CXRs. In only one patient was there a new CXR change in an uncomplicated PDT.

Conclusions: Immediate CXR after uncomplicated PDT performed under bronchoscopic guidance rarely reveals unexpected radiological abnormalities. The role of CXR after PDT appears to be restricted to those patients undergoing technically difficult and complicated procedures. A change in practice to this effect will lead to reductions in both medical costs and exposure of staff and patients to ionizing radiation.

Keywords: complications; surgery, tracheotomy


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