Intra-abdominal hypertension after life-threatening penetrating abdominal trauma: Prophylaxis, incidence, and clinical relevance to gastric mucosal pH and abdominal compartment syndrome

Rao R. Ivatury, John M. Porter, Ronald J. Simon, Sarker Islam, Ranjit John, William M. Stahl

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To define the incidence, prophylaxis, and treatment of intra- abdominal hypertension (IAH) and its relevance to gut mucosal pH (pHi), multiorgan dysfunction syndrome, and the abdominal compartment syndrome (ACS). Methods: Seventy patients in the SICU at a Level I trauma center (1992-1996) with life threatening penetrating abdominal trauma had intra- abdominal pressure estimated by bladder pressure. pHi was measured by gastric tonometry every 4 to 6 hours. IAH (intra-abdominal pressure> 25 cm of H2O) was treated by bedside or operating room laparotomy. Results: Injury severity was comparable between patients who had mesh closure as prophylaxis for IAH (n = 45) and those who had fascial suture (n = 25). IAH was seen in 10 (22.2%) in the mesh group versus 13 (52%) in the fascial suture group (p = 0.012) for an overall incidence of 32.9%. Forty-two patients had phi monitoring, and 11 of them had IAH. Of the 11 patients, eight patients (72.7%) had acidotic pHi (7.10 ± 0.2) with IAH without exhibiting the classic signs of ACS. The phi improved after abdominal decompression in six and none developed ACS. Only two patients with IAH and low pHi went on to develop ACS, despite abdominal decompression. Multiorgan dysfunction syndrome points and death were less in patients without IAH than those with IAH and in patients who had mesh closure. Conclusions: IAH is frequent after major abdominal trauma. It may cause gut mucosal acidosis at lower bladder pressures, long before the onset of clinical ACS. Uncorrected, it may lead to splanchnic hypoperfusion, ACS, distant organ failure, and death. Prophylactic mesh closure of the abdomen may facilitate the prevention and bedside treatment of IAH and reduce these complications.

Original languageEnglish (US)
Pages (from-to)1016-1023
Number of pages8
JournalJournal of Trauma - Injury, Infection and Critical Care
Volume44
Issue number6
DOIs
StatePublished - Jun 1998
Externally publishedYes

Keywords

  • 'Damage-control'
  • Abbreviated laparotomy
  • Abdominal compartment syndrome
  • Abdominal hypertension
  • Intra-abdominal pressure

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