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. 2023 Jul;38(7):2023-2031.
doi: 10.1007/s00467-023-05878-1. Epub 2023 Jan 27.

Incidence, predictors, and short-term outcomes of acute kidney injury in children with diabetic ketoacidosis: a systematic review

Jitendra Meena #  1 , Jaivinder Yadav #  2 , Jogender Kumar  2 , Lesa Dawman  2 , Karalanglin Tiewosh  2 , Aliza Mittal  3 , Rakesh Kumar  2 , Devi Dayal  2
Affiliations

Incidence, predictors, and short-term outcomes of acute kidney injury in children with diabetic ketoacidosis: a systematic review

Jitendra Meena et al. Pediatr Nephrol. 2023 Jul.

Abstract

Background: One-third of children with type 1 diabetes mellitus manifest with diabetic ketoacidosis (DKA). Most children presenting with DKA are in a volume-depleted state, leading to acute kidney injury (AKI). Besides volume depletion, hyperglycemia can induce tubular injury and kidney inflammation. Therefore, a thorough knowledge of incidence of AKI, risk factors, and outcomes in pediatric DKA is desirable to improve its management and outcomes.

Objective: To synthesize currently available evidence on the incidence, risk factors, and outcomes of AKI in children with DKA.

Data sources: We searched three electronic databases (EMBASE, PubMed, and Web of Science) from inception to September 2022 for original studies reporting AKI in children with DKA. Search strategies for the individual databases were drafted using free text words and MeSH incorporating "acute kidney injury" and "diabetic ketoacidosis."

Study eligibility criteria: Cohort and cross-sectional studies reporting AKI in children with type 1 DM and DKA were included.

Participants and interventions: Children (aged less than 18 years) with type 1 DM and DKA.

Study appraisal and synthesis methods: The critical appraisal tool of NHLBI for cohort studies was used to assess the quality of the studies. We estimated the pooled incidence of AKI with 95% CI in children with DKA using a random effects model. The primary outcome was the pooled incidence of AKI during the DKA episodes.

Results: Twenty-one studies assessing 4087 children (4500 DKA episodes) reported AKI during DKA episodes. The pooled incidence of any stage of AKI during the DKA episode was 47% (95% CI: 40 to 55). Severe AKI was observed in 28% (21 to 35) of DKA episodes; however, only 4% (1 to 11%) of children with AKI received dialysis. Low serum bicarbonate, low corrected sodium, higher blood sugar, and high blood urea nitrogen at presentation have been reported to be associated with the development of AKI.

Conclusion: AKI developed in almost half of the DKA episodes, and every fourth DKA episode was associated with severe AKI. The recovery rate from DKA-associated AKI appears to be high; however, further studies are needed to assess the exact impact of AKI on long-term outcomes.

Registration: PROSPERO (CRD42022303200). A higher resolution version of the Graphical abstract is available as Supplementary information.

Keywords: Acute kidney failure; Children; Diabetes mellitus; Ketoacidosis; Risk factors.

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