• Jean-Philippe Avaro, Vincent Mardelle, Antoine Roch, Celine Gil, Cécile de Biasi, Manuela Oliver, Therry Fusai, and Pascal Thomas.
• Service de Chirurgie Thoracique, Hôpital d'Instruction des Armées A. Laveran, Marseille, France. avarojp@orange.fr
• J Trauma. 2011 Sep 1;71(3):720-5; discussion 725-6.

BackgroundTo evaluate the feasibility of aortic balloon catheter occlusion in intra-abdominal hemorrhage.MethodsEffects of transfemoral diaphragmatic aortic balloon occlusion (ABO) have been evaluated in 25 pigs. The animals were submitted to incontrollable hemorrhage by a splenic trauma. Group 1 (n = 9) received fluid resuscitation with normal saline (NS) without aortic occlusion; group 2 (n = 8) underwent 60 minutes ABO and NS. Groups 3 (n = 4) and 4 (n = 4) underwent ABO during 40 minutes and 60 minutes, respectively, NS, and splenectomy.ResultsAortic balloon location was adequate in all animals. ABO increased the portion of 2-hour survivors significantly (7/16 vs. 0/9; p = 0.03). ABO increased mean arterial blood pressures (p < 0.05). There was a significant decrease of bleeding and volume of fluid resuscitation (p < 0.05) in ABO groups. Blood potassium and lactate levels at death were significantly higher in groups 2 and 4 compared with those of the control group: 29 ± 0.54 and 6.08 mmol/L ± 0.44 mmol/L versus 4.16 mmol/L ± 0.35 mmol/L (p < 0.02), and 11.39 mmol/L ± 0.37 mmol/L and 9.59 mmol/L ± 1.19 mmol/L versus 6.43 mmol/L ± 0.57 mmol/L (p < 0.001), respectively. There were no significant differences between group 3 and the control group: 4.83 mmol/L ± 0.32 mmol/L versus 6.43 mmol/L ± 0.57 mmol/L and 5.2 mmol/L ± 0.13 mmol/L versus 4.16 mmol/L ± 0.35 mmol/L, respectively. At necropsy, there were no significant differences in terms of visceral (bowel and kidney) ischemia between the different experimental groups.ConclusionA 40-minute ABO followed by surgical damage control improved survival in this animal model of uncontrolled hemorrhagic shock caused by abdominal trauma. ABO could be considered for the management of severe abdominal trauma.

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