Perioperative medicine & outcomes
Agreement between intra-bladder and insufflation pressure readings during laparoscopic surgery
Authors' conclusion
The findings support not using insufflation pressure as a gold standard reference for future validation studies due to its inherent limitations.
Study context
- Population
- Patients undergoing laparoscopic surgery202 paired intra-abdominal pressure (IAP) measurements
- Participants
- 18 patients
- Exposure
- IAP via TraumaGuard bladder catheter vs insufflator pressure
- Outcome
- Agreement between IAP via bladder (TraumaGuard) and via Stryker or Conmed insufflator (correlation, concordance, Bland-Altman, error-grid analyses)
Methodological detailsmethod agreement study
- Method agreement study
Main finding
As reported in the abstract
Agreement between bladder (IAPTG) and insufflator (IAPinsuf) IAP: two-way mixed-effects absolute agreement intraclass correlation coefficient
Without IAH
0.7
intraclass correlation coefficient
With IAH
−0.3
intraclass correlation coefficient
Observational data: associations, not effects.
Further findings
Bland-Altman bias (bladder vs insufflator IAP) with limits of agreement
Limits of agreement Without IAH ± 5.3 mmHg · With IAH ± 10.4 mmHg
Baseline IAP (IAP0)
Original publication
Agreement between intra-bladder and insufflation pressure readings during laparoscopic surgery. J Clin Monit Comput. Published 30 March 2026. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →