• B Danz, C Biehl, and W Bähren.
• Radiologische Abteilung, Bundeswehrkrankenhaus Ulm.
• Rofo. 1996 Apr 1;164(4):269-74.

PurposeTo determine the value of supine chest radiography in comparison to orientating chest CT in the initial diagnostic evaluation of severely polytraumatised patients.Material And Methods303 patients with primary indication for a cranial CT following trauma were investigated between 1988 and 1993. After performing the cranial CT all patients underwent a chest CT with an average of 6 CT slices without changing the position of the patient and with a median scan time of 4 minutes. The results of the chest CT were correlated with the findings of the supine chest radiography in regard to therapeutically relevant pathological changes.ResultsThe sensitivity in detection of pneumothorax in supine chest radiography was 53% versus 97% in CT, atelectasis 20% versus 94%, lung contusion 79% versus 99%, haemotothorax 62% versus 97%. More fractures were found conventionally (sensitivity 94%) than by chest CT (sensitivity 44%).ConclusionSupine chest radiography of polytraumatised patients is clearly inferior to orientating chest CT in demonstrating posttraumatic lesions; obtaining therapeutically relevant information justifies the additionally needed small amount of time.

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