• J Charbit, I Millet, K Lakhal, G Brault-Noble, F Guillon, P Taourel, and X Capdevila.
• Department of Anesthesiology and Critical Care, Lapeyronie University Hospital, Montpellier, F-34295 Cedex 5, France. Electronic address: j-charbit@chu-montpellier.fr.
• Injury. 2014 Jan 1;45(1):88-94.

BackgroundWe hypothesised that in blunt trauma patients with haemodynamic instability and haemoperitoneum on hospital admission, the haemorrhagic source may not be confined to the peritoneum. The purpose of this study was to describe the incidence and location of bleeding source in this population.MethodsThe charts of trauma patients admitted consecutively between January 2005 and January 2010 to our level I Regional Trauma Centre were reviewed retrospectively. All hypotensive patients presenting a haemoperitoneum on admission were included. Hypotension was defined by a systolic blood pressure ≤ 90 mmHg. The haemoperitoneum was quantified on CT images or from operative reports as moderate (Federle score<3 or between 200 and 500 ml) or large (Federle score ≥ 3 or >500 ml). Active bleeding (AB) was defined as injury requiring a surgical or radiologic haemostatic procedure, regardless of origin (peritoneal (PAB) or extraperitoneal (EPAB)).ResultsOf 1079 patients admitted for severe trauma, 110 patients met the inclusion criteria. Seventy-eight (71%) were male, mean age 35.3 (SD 19) years and mean ISS 36.5 (SD 20.5). Among the 91 patients who had AB, 37 patients (41%) had PAB, 34 (37%) had EPAB and 20 had both (22%). Forty-eight (53%) of them had moderate haemoperitoneum and 43 (47%) had large haemoperitoneum. A large haemoperitoneum had positive predictive value for PAB of 88% (95% CI 75-95%) and negative predictive value of 65% (95% CI 49-79%). The corresponding values in the subgroup of patients with EPAB were 65% (95% CI 38-86%) and 76% (95% CI 59-88%).ConclusionHaemoperitoneum was associated with PAB in only 52% of hypotensive blunt trauma patients and 63% of bleeding patients. In contrast, 59% of bleeding patients had at least one EPAB. The screening of a haemoperitoneum as a marker of active haemorrhagic source may be confusing and lead to misdiagnosis and inappropriate strategy. Clinician should exclude carefully the presence of any EPAB explaining haemorrhagic shock, before to decide haemostatic treatment.Copyright © 2012 Elsevier Ltd. All rights reserved.

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