• Jun Oda, Masashi Ueyama, Katsuyuki Yamashita, Takuya Inoue, Nobuyuki Harunari, Yasumasa Ode, Kazuharu Mega, Yoshiki Aoki, and Mitsuhiro Noborio.
• Department of Trauma and Critical Care Medicine, Social Insurance Chukyo Hospital, Nagoya, Aichi, Japan. junoda@v001.vaio.ne.jp
• J Trauma. 2005 Aug 1; 59 (2): 369-74.

BackgroundAbdominal compartment syndrome (ACS) can become fatal; however, it has rarely been described as a complication of burn injury. This study clarified the physiologic results of abdominal decompression (AD) for ACS in patients with burn injury in detail.MethodsExtensively burned patients admitted to our burn unit between January 2003 and February 2004 were prospectively monitored by pulmonary artery catheter. Physiologic parameters from the catheter, blood gas analysis, intrabladder pressure as a parameter of intra-abdominal pressure (IAP), peak inspiratory pressure, and urine output (UO) were compared before and after escharotomy as AD in patients with ACS.ResultsEight of 36 patients who had sustained more than 30% total body surface area burn developed ACS requiring AD in 18.3 +/- 4.9 hours. AD significantly decreased IAP (52 +/- 9 cm H2O vs. 26 +/- 7 cm H2O), peak inspiratory pressure (53 +/- 13 cm H2O vs. 35 +/- 6 cm H2O), heart rate, and Paco2, and increased cardiac index (1.6 +/- 0.7 L/min/m2 vs. 2.5 +/- 0.9 L/min/m2), abdominal perfusion pressure (50 +/- 11 mm Hg vs. 72 +/- 17 mm Hg), UO (0.45 +/- 0.46 mL/h/kg vs. 2.0 +/- 2.1 mL/h/kg), and oxygen delivery index (290 +/- 195 mL/m2/min vs. 455 +/- 218 mL/m2/min). Impaired oxygen consumption index increased (86 +/- 43 mL/m2/min vs. 153 +/- 58 mL/m2/min) after AD.ConclusionIn patients with severe burn injury, elevated IAP makes pulmonary artery wedge pressure and UO unreliable indices of preload or intravascular volume, and decreases abdominal perfusion in the resuscitation period. AD in these patients significantly improves the ventilation, hemodynamic parameters, and oxygen metabolism.

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