Table 1 Prevalence, incidence and risk factors of IAH in mixed ICU populations
From: Should we measure intra-abdominal pressures in every intensive care patient?
Authors, year | Study type | Study period | Inclusion criteria | Patients included | Patients treated in study unit(s) during the study period | IAH threshold | IAH prevalence on admission day | IAH incidence | Independent risk factors of IAH |
|---|---|---|---|---|---|---|---|---|---|
Malbrain3, 2004 | Multi-centre, 1-day point prevalence | 1 day | Adults, ICU stay > 24 h | 97 | NA | Max IAP ≥ 12 mmHg Mean IAP ≥ 12 mmHg | 58.8% (study day) 23.7% | NA | - BMI |
Malbrain4, 2005 | Prospective, Multi-centre | 4 weeks | Adults, ICU stay > 24 h | 265 | NA | Mean IAP > 12 mmHg | 32.1% | 56% during 1st ICU week | - Liver dysfunction - Abdominal surgery - Fluid resuscitation - Ileus |
Vidal12, 2008 | Prospective, single-centre | 8 months | Adults, expected to stay > 24 h | 83 | 153 | IAP ≥ 12 mmHg in at least three consecutive measurements | 23.0% | 54.0% during 1st ICU week | - Fluid resuscitation - Acidosis - Hypotension - Gastroparesis/ileus - ARDS - Mechanical ventilation |
Dalfino13, 2008 | Prospective, single-centre | 6 months | Adults, ICU stay > 24 h | 123 | 215 | IAP ≥ 12 mmHg in at least two consecutive measurements | 19.0% | 31.0% during ICU stay | - Age - Cumulative fluid balance - Shock |
Reintam14, 2008 | Prospective, single-centre | 24 months | Adults, mechanical ventilation + one additional predisposing condition for IAH | 257 | 754 | Sustained or repeated IAP ≥ 12 mmHg | 23.3% | 37.0% during ICU stay | - No independent risk factors identified |
Reintam Blaser15, 2011 | Prospective, single-centre | 33 months | Mechanically ventilated adults, expected to stay > 24 h | 563 | 922 | Sustained or repeated IAP ≥ 12 mmHg | 20.4% | 32.3% during ICU stay | - Pancreatitis - Hepatic failure/cirrhosis with ascites - GI bleeding - PEEP > 10 cmH2O - Vasopressor/inotrope - BMI > 30 kg/m2 - Laparotomy - PaO2/FiO2 < 300 mmHg |