Abdominal compartment syndrome: Difference between revisions

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*Also known as intrabdominal hypertension (IAH)
*Also known as intrabdominal hypertension (IAH)


==Causes==
===Causes===
*Trauma
*Trauma
*Diffuse peritonitis
*Diffuse peritonitis
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*[[Ascites]]
*[[Ascites]]


==Pathophysiology==
===Pathophysiology===
*Build up of fluid or blood within the peritoneum or retroperitoneum
*Build up of fluid or blood within the peritoneum or retroperitoneum
**And/or decrease in abdominal wall compliance
**And/or decrease in abdominal wall compliance
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*Oliguria, renal failure
*Oliguria, renal failure
*Bowel ischemia
*Bowel ischemia
==Differential Diagnosis==


==Diagnosis==
==Diagnosis==
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***High complication rate
***High complication rate
***No guidelines for timing of closure
***No guidelines for timing of closure
==Disposition==
*Admit
==See Also==


==References==
==References==

Revision as of 04:25, 18 June 2015

Background

  • Increased intrabdominal pressure resulting in decreased organ perfusion, impaired hemodynamics
  • Also known as intrabdominal hypertension (IAH)

Causes

Pathophysiology

  • Build up of fluid or blood within the peritoneum or retroperitoneum
    • And/or decrease in abdominal wall compliance
  • Causes increased pressure within cavity of fixed volume
    • Abdominal perfusion pressure = MAP - intrabdominal pressure
  • Hypoperfusion of abdominal organs
  • Restriction of diaphragmatic excursion
  • Impaired central venous return

Clinical Features

  • Decreased central venous return
    • Increased JVP
    • Increased ICP
    • Decreased cardiac preload
  • Increased intrathoracic pressure
    • Decreased lung compliance
    • Decreased functional residual capacity
    • Worsened V/Q mismatch
  • Oliguria, renal failure
  • Bowel ischemia

Differential Diagnosis

Diagnosis

  • Suspect ACS/IAH
  • Transduce bladder pressure
    • >20mmHg WITH new organ dysfunction
  • Physical exam is neither sensitive nor specific

Management

  • Nonoperative: Often first line approach when no abdominal injury present[1]
  • Operative: Definitive treatment
    • Laparotomy provides decompression
      • High complication rate
      • No guidelines for timing of closure

Disposition

  • Admit

See Also

References

  1. Hunt, L., Frost, S. A., Hillman, K., Newton, P. J. and Davidson, P. M. (2014) ‘Management of intra-abdominal hypertension and abdominal compartment syndrome: a review’, Journal of Trauma Management & Outcomes, 8(1).