Risk Factors for IAH / ACS
Diminished abdominal wall compliance
Acute respiratory failure, especially with elevated intrathoracic pressure
Abdominal surgery with primary fascial or tightclosure
Major trauma / burns
Prone positioning, head of bed > 30 degrees
High body mass index (BMI), central obesity
Increased intra-luminal contents
Gastroparesis
Ileus
Colonic pseudo-obstruction
Increased abdominal contents
Hemoperitoneum / pneumoperitoneum
Ascites / liver dysfunction
Capillary leak / fluid resuscitation
Acidosis (pH < 7.2)
Hypotension
Hypothermia (core temperature < 33°C)
Polytransfusion (>10 units of blood / 24 hrs)
Coagulopathy (platelets < 55000 / mm3 OR
partial thromboplastin time (PTT) > 2 times normal OR
prothrombin time (PTT) < 50% OR
international standardised ratio (INR) > 1.5)
Massive fluid resuscitation (> 5 L / 24 hours)
Pancreatitis
Oliguria
Sepsis
Major trauma / burns
Damage control laparotomy