Sammanfattning

Purpose: To assess the association between cystatin C-derived estimates of kidney function and mortality and acute kidney injury (AKI) in sepsis. Materials and methods: Post-hoc analysis of sepsis patients in the FINNAKI-cohort (n = 802). Primary outcome was 90-day mortality. We measured plasma cystatin C and creatinine at intensive care unit (ICU) admission and estimated glomerular filtration rates (eGFRcys, eGFRcrea) and shrunken pore syndrome (SPS; defined as eGFRcys/eGFRcrea ratio < 0.7). Associations were assessed using Cox- or logistic regression. Results: Increased cystatin C and decreased eGFRcys were associated with mortality in unadjusted analyses and in analyses adjusted for illness severity and creatinine. Hazard ratios (HRs) in unadjusted analyses were 3.30 (95% CI; 2.12–5.13, p < 0.001) and 3.26 (95% CI; 2.12–5.02, p < 0.001) respectively. SPS was associated with mortality in an unadjusted- (HR 1.78, 95% CI; 1.33–2.37, p < 0.001) and in an adjusted analysis (HR 1.54, 95% CI; 1.07–2.22, p = 0.021). All cystatin C-derived measures were associated with mortality also after adjustment for AKI development. Cystatin C was associated with AKI in unadjusted analyses but not in analyses adjusted for creatinine. Conclusion: Cystatin C and derived measures of kidney function at ICU admission are associated with an increased 90-day mortality. Increased AKI incidence does not fully explain this association.

Originalspråkengelska
Artikelnummer154148
TidskriftJournal of Critical Care
Volym72
DOI
StatusPublished - 2022 dec.

Ämnesklassifikation (UKÄ)

  • Urologi och njurmedicin

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