Neuroanesthesia & neurocritical care

The Relationship Between Manifestation of Diabetes Insipidus and Estimated Glomerular Filtration Rate in Brain Death

Crit Care MedPublished Prospective cohort study

Main finding · DI by eGFR categoryResult — go to the resultOdds ratio 0.83 95% CI 0.76–0.90

Authors' conclusion

Renal dysfunction significantly impacts DI's clinical manifestation in brain death.

Study context

Population
Adults declared brain dead over 12 years, ICUs of a tertiary academic hospital192 analysed
Participants
234 adults
Exposure
Diabetes insipidus (DI) occurrence across estimated glomerular filtration rate (eGFR) categories
  • eGFR ≤9.7 mL/minn = 14
Outcome
Central DI (polyuria, low urine specific gravity, increasing serum sodium) in relation to eGFR (simplified MDRD equation)
Methodological detailssingle-centre, prospective data collection
  • Single-centre
  • Prospective data collection

Main finding

DI by eGFR category

Odds ratio

0.83

95% CI 0.76–0.90

P < 0.001

Events by group

Per 10 mL/min decrease in eGFR
OR 0.83 (95% CI 0.76–0.90); P < 0.001

Per 10 mL/min decrease in eGFR, as printed

As reported in the abstract

Proportion of DI decreased significantly with decreasing eGFR
P < 0.001

Observational data: associations, not effects.

Further findings

DI overall

Developed DI
122 (63.5%)
Did not develop DI
70 (36.5%)

Original publication

The Relationship Between Manifestation of Diabetes Insipidus and Estimated Glomerular Filtration Rate in Brain Death. Crit Care Med. Published 15 November 2023. doi:10.1097/ccm.0000000000006131

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