Evidence map›Paper›PMID 37996844›Full record

ArticleBMC medical informatics and decision making2023

Machine-learning predictions for acute kidney injuries after coronary artery bypass grafting: a real-life muticenter retrospective cohort study.

Tianchen Jia, Kai Xu, Yun Bai, Mengwei Lv, Lingtong Shan, Wei Li, Xiaobin Zhang, Zhi Li, Zhenhua Wang, Xin Zhao and 2 more

Abstract read
In one paragraph

Article in BMC medical informatics and decision making, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Tianchen Jia *College of Information Science, Shanghai Ocean University, Shanghai, P.R. China.
Kai Xu *Department of Cardiovascular Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, P.R. China.
Yun Bai *College of Information Science, Shanghai Ocean University, Shanghai, P.R. China.
Mengwei LvDepartment of Thoracic Surgery, Xuzhou Cancer Hospital, Xuzhou, P.R. China.
Lingtong ShanDepartment of Thoracic Surgery, Sheyang County People's Hospital, Yancheng, P.R. China.
Wei LiDepartment of Cardiovascular Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, 241 Huaihai West Road, Shanghai, 200120, China.
Xiaobin ZhangDepartment of Cardiovascular Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, 241 Huaihai West Road, Shanghai, 200120, China.
Zhi LiDepartment of Cardiovascular Surgery, Jiangsu Province Hospital, the First Affiliated Hospital of Nanjing Medical University, Nanjing, P.R. China.
Zhenhua WangCollege of Information Science, Shanghai Ocean University, Shanghai, P.R. China.
Xin ZhaoDepartment of Cardiovascular Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, P.R. China. zhaoxin@email.sdu.edu.cn.
Mingliang LiDepartment of Cardiovascular Surgery, The General Hospital of Ningxia Medical University, Yinchuan, Ningxia, P.R. China. 31526259@qq.com.
Yangyang ZhangDepartment of Cardiovascular Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, 241 Huaihai West Road, Shanghai, 200120, China. zhangyangyang_wy@vip.sina.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAcute kidney injury (AKI) after coronary artery bypass grafting (CABG) surgery is associated with poor outcomes. The objective of this study was to apply a new machine learning (ML) method to establish prediction models of AKI after CABG.

methodsA total of 2,780 patients from two medical centers in East China who underwent primary isolated CABG were enrolled. The dataset was randomly divided for model training (80%) and model testing (20%). Four ML models based on LightGBM, Support vector machine (SVM), Softmax and random forest (RF) algorithms respectively were established in Python. A total of 2,051 patients from two other medical centers were assigned to an external validation group to verify the performances of the ML prediction models. The models were evaluated using the area under the receiver operating characteristics curve (AUC), Hosmer-Lemeshow goodness-of-fit statistic, Bland-Altman plots, and decision curve analysis. The outcome of the LightGBM model was interpreted using SHapley Additive exPlanations (SHAP).

resultsThe incidence of postoperative AKI in the modeling group was 13.4%. Similarly, the incidence of postoperative AKI of the two medical centers in the external validation group was 8.2% and 13.6% respectively. LightGBM performed the best in predicting, with an AUC of 0.8027 in internal validation group and 0.8798 and 0.7801 in the external validation group. The SHAP revealed the top 20 predictors of postoperative AKI ranked according to the importance, and the top three features on prediction were the serum creatinine in the first 24 h after operation, the last preoperative Scr level, and body surface area.

conclusionThis study provides a LightGBM predictive model that can make accurate predictions for AKI after CABG surgery. The LightGBM model shows good predictive ability in both internal and external validation. It can help cardiac surgeons identify high-risk patients who may experience AKI after CABG surgery.

Indexed as

Acute Kidney InjuryCoronary Artery BypassHumansMachine LearningRetrospective StudiesRisk FactorsAcute kidney injuriesCoronary artery bypass graftingMachine learningPrediction model

Identifiers

PMID37996844
PMCPMC10668365

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.