Intra-Abdominal Hypertension and Abdominal Compartment Syndrome in Association with Ruptured Abdominal Aortic Aneurysm in the Endovascular Era: Vigilance Remains Critical

Table 1

Grading of intra-abdominal hypertension (WSACS consensus definitions, 2004).

Grade I	IAP 12–25 mmHg
Grade II	IAP 16–20 mmHg
Grade III	IAP 21–25 mmHg
Grade IV	IAP > 25

IAP = Intra-abdominal pressure.