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Predictive model of acute kidney injury after spontaneous intracerebral hemorrhage: A multicenter retrospective study.


ABSTRACT:

Background and objectives

Acute kidney injury is a common comorbidity in patients with intracerebral hemorrhage. Although there are predictive models to determine risk of AKI in patients in critical care or post-surgical scenarios or in general medical floors, there are no models that specifically determine the risk of AKI in patients with ICH.

Methods

Clinical features and laboratory tests were selected by previous studies and LASSO (least absolute shrinkage and selection operator) regression. We used multivariable logistic regression with a bidirectional stepwise method to construct ICH-AKIM (intracerebral hemorrhage-associated acute kidney injury model). The accuracy of ICH-AKIM was measured by the area under the receiver operating characteristic curve. The outcome was AKI development during hospitalization, defined as KDIGO (Kidney Disease: Improving Global Outcomes) Guidelines.

Results

From four independent medical centers, a total of 9649 patients with ICH were available. Overall, five clinical features (sex, systolic blood pressure, diabetes, Glasgow coma scale, mannitol infusion) and four laboratory tests at admission (serum creatinine, albumin, uric acid, neutrophils-to-lymphocyte ratio) were predictive factors and were included in the ICH-AKIM construction. The AUC of ICH-AKIM in the derivation, internal validation, and three external validation cohorts were 0.815, 0.816, 0.776, 0.780, and 0.821, respectively. Compared to the univariate forecast and pre-existing AKI models, ICH-AKIM led to significant improvements in discrimination and reclassification for predicting the incidence of AKI in all cohorts. An online interface of ICH-AKIM is freely available for use.

Conclusion

ICH-AKIM exhibited good discriminative capabilities for the prediction of AKI after ICH and outperforms existing predictive models.

SUBMITTER: Tian Y 

PROVIDER: S-EPMC10472951 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature

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Publications

Predictive model of acute kidney injury after spontaneous intracerebral hemorrhage: A multicenter retrospective study.

Tian Yixin Y   Zhang Yu Y   He Jialing J   Chen Lvlin L   Hao Pengfei P   Li Tiangui T   Peng Liyuan L   Chong Weelic W   Hai Yang Y   You Chao C   Jia Lu L   Fang Fang F  

European stroke journal 20230627 3


<h4>Background and objectives</h4>Acute kidney injury is a common comorbidity in patients with intracerebral hemorrhage. Although there are predictive models to determine risk of AKI in patients in critical care or post-surgical scenarios or in general medical floors, there are no models that specifically determine the risk of AKI in patients with ICH.<h4>Methods</h4>Clinical features and laboratory tests were selected by previous studies and LASSO (least absolute shrinkage and selection operato  ...[more]

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