Primary IAH/ACS
Decreased Abdominal Wall Compliance
- Abdominal surgery
- Prone positioning
- Major trauma
- Major burns
Increased Intra-luminal Contents
- Gastroparesis / gastric distension
- Ileus / colonic pseudo-obstruction
- Volvulus
Increased Intra-luminal Contents
- Acute pancreatitis
- Haemoperitoneum / pneumoperitoneum / intrabdominal fluid collection
- Intra-abdominal infection / abscess
- Liver dysfunction with ascites
- Intra-abdominal /retroperitoneal tumour
- Peritoneal dialysis
Secondary IAH/ACS
Capillary Leak / Fluid Resuscitation
- Sepsis
- Acidosis
- Hypothermia
- Increased APACHE score
- Massive fluid resuscitation
- Polytransfusion
- Major trauma / burns
Capillary Leak / Fluid Resuscitation
- Obesity
- High PEEP
- Pneumonia
- Coagulopathy