Perioperative medicine & outcomes

Preoperative fasting glucose value can predict acute kidney injury in non-cardiac surgical patients without diabetes but not in patients with diabetes

Perioper Med (Lond)Published Retrospective cohort study

Main finding · Postoperative AKIResult — go to the resultOdds ratio 1.312 95% CI 1.028–1.675

Authors' conclusion

A preoperative fasting glucose value of 5.39 mmol/L can predict postoperative acute kidney injury after non-cardiac surgery in patients without diagnosed diabetes, but it is not related to AKI in patients with the diagnosis.

Study context

Population
Patients undergoing non-cardiac surgery, Chongqing University Cancer Hospital, January 1, 2017, to May 31, 2023included in final analysis
Participants
39,986 patients
Exposure
With DM vs Without DM
Outcome
Postoperative AKI (primary exposure: preoperative glucose value)
Methodological detailssingle-centre
  • Single-centre

Main finding

Postoperative AKI

Odds ratio

1.312

95% CI 1.028–1.675

P = 0.029

Events by group

With DM vs Without DM
OR 1.312 (95% CI 1.028–1.675); P = 0.029

As reported in the abstract

Acute kidney injury (AKI) overall
741(1.9%)

Observational data: associations, not effects.

Further findings

Optimal cut-point of preoperative fasting glucose to predict AKI (cohort without DM)

Adjusted OR (95% CI)P value
Optimal cut-point 5.39 mmol/L1.802 (1.513–2.146)P = 0.000
Optimal cut-point of preoperative fasting glucose to predict AKI (cohort without DM) — Optimal cut-point of preoperative fasting glucose to predict AKI
5.39 mmol/L

Preoperative glucose and AKI (cohort with DM)

Relation not significant after covariable adjustment
P = 0.437

AKI risk over the range of preoperative glucose, between cohorts

No significant difference between cohorts with and without DM

Original publication

Preoperative fasting glucose value can predict acute kidney injury in non-cardiac surgical patients without diabetes but not in patients with diabetes. Perioper Med (Lond). Published 13 May 2024. doi:10.1186/s13741-024-00398-4

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