Organ support & nutrition

Mannitol clearance for assessment of glomerular filtration rate in critically ill patients

J Crit CarePublished Diagnostic accuracy study

Performance · Agreement of mannitol multi-sample plasma clearance with iohexol clearance (reference)Result — go to the resultbias 2.9 ml/min/1.73 m²

Authors' conclusion

In critically ill patients, plasma clearance of mannitol showed acceptable agreement with iohexol clearance, for both multi-and single-sample measurements.

Study context

Population
Intensive care unit (ICU) patients receiving simultaneous bolus injections of mannitol and iohexol
Participants
20 patients
Comparison
Mannitol plasma clearance vs iohexol multi-sample plasma clearance
Outcome
Agreement (bias, error) and accuracy (P30, P10) of mannitol clearance vs iohexol clearance for measuring glomerular filtration rate (GFR)
Methodological detailsmulti-sample and one-sample plasma clearance, Bland-Altman agreement
  • Multi-sample and one-sample plasma clearance
  • Bland-Altman agreement

Performance

As reported in the abstract

Agreement of mannitol multi-sample plasma clearance with iohexol clearance (reference)

bias

2.9 ml/min/1.73 m²

Accuracy of mannitol clearance vs reference, P30
85%
Accuracy of mannitol clearance vs reference, P10
60%

Original publication

Mannitol clearance for assessment of glomerular filtration rate in critically ill patients. J Crit Care. Published 2 September 2026. doi:10.1016/j.jcrc.2026.155736

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.