title: Measuring intra-abdominal pressure outside the ICU: validation of a simple bedside method.
abstract: Intra-abdominal pressure measurement is essential to the diagnosis of patients with intraabdominal hypertension or abdominal compartment syndrome. The most common method for measuring intra-abdominal pressure (IAP) is the intravesicular or "bladder" technique, which requires electronic monitoring technology not available on the typical surgical ward. Herein we describe and validate a simple, rapid screening method for bedside IAP measurement using the patient's indwelling urinary catheter and a readily available intravenous tubing extension. Validation of this technique across the clinically important IAP diagnostic spectrum demonstrated acceptable bias (1.6 mm Hg; 95% confidence interval 1.4-1.8) with limits of agreement of 0.36 to 2.8. This demonstrates good agreement between the two IAP methods and validates the bedside technique as a simple, cost-effective, and reproducible method for screening IAP measurements outside of the critical care setting.
authors.affiliation: Department of Surgical Education, Orlando Regional Medical Center, Orlando, Florida 32806, USA. michael.cheatham@orhs.org
authors.forename: Michael L
authors.initials: ML
authors.lastname: Cheatham
authors.forename: Jessica
authors.initials: J
authors.lastname: Fowler
mesh_terms: D034841:Abdominal Cavity; D003161:Compartment Syndromes / Q000175:diagnosis*; D006801:Humans; D006973:Hypertension / Q000175:diagnosis*; D007262:Infusions, Intravenous / Q000295:instrumentation; D008954:Models, Biological; D019095:Point-of-Care Systems; D011312:Pressure; D015203:Reproducibility of Results; D014546:Urinary Catheterization / Q000295:instrumentation*