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Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition) ›› 2022, Vol. 08 ›› Issue (02): 133-139. doi: 10.3877/cma.j.issn.2096-1537.2022.02.009

• Clinical Research • Previous Articles     Next Articles

Predictive value of serum cholinesterase in patients with septic acute kidney injury

Xiao Zhou1, Dongchen Guo1, Jin Lin1, Meili Duan1,()   

  1. 1. Department of Critical Care Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
  • Received:2021-11-09 Online:2022-07-04 Published:2022-07-05
  • Contact: Meili Duan

Abstract:

Objective

To evaluate serum cholinesterase for predicting the risk of acute kidney injury in sepsis patients.

Methods

The adult patients with sepsis for more than 24 hours admitted to ICU from Jan 2018 to Dec 2020 were enrolled. Serum cholinesterase were collected at ICU admission. The patients were divided into different groups according to the occurrence of acute kidney injury in 24 hours. The baseline data and clinical indicators of the two groups of patients were compared, multivariate regression was performed. The ROC curve was analyzed for SCHE to assess the predictive value of sepsis related acute kidney injury for patients.

Results

A total of 382 patients with sepsis were enrolled. 195 AKI patients were diagnosed, with a prevalence of 51.05%. SCHE in AKI group was significantly lower than that in non-AKI group [KU/L: 4.27(2.75, 6.54) vs 7.70(4.58, 10.41), P<0.01]. SCHE levels in ASKI stage 1, 2 and 3 group were 5.08 (2.64, 6.32), 4.69 (2.75, 6.67), 3.17 (2.57, 6.34) KU/L, respectively, the difference were statistically significant between subgroup and non-AKI patients [7.70 (4.58, 10.41) KU/L] [Cruskar-Wallis H (K) =53.870, degree of freedom=3, P=0.000]. SCHE was an independent protection factor for SAKI. AUC of SCHE in predicting the occurrence of SAKI was 0.716, with the 95% confidence interval of 0.664-0.768 (P<0.01). The cut-off value of SCHE was 6.70 KU/L, with a the sensitivity of 77.9% and specificity of 62.0%.

Conclusion

Serum cholinesterase can be a potential predictor of acute kidney injury in sepsis.

Key words: Acute kidney injury, Sepsis, Serum cholinesterase

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