基于深度聚类的急性损伤人群中的细粒度亚表型:导出和解释
Yongsen Tan1, Jiahui Huang1, Jinhu Zhuang1
1School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Shenzhen, Guangdong, 518055, China.
International journal of medical informatics
|July 28, 2024
概括
研究人员使用深度集群识别了七种不同的急性损伤 (AKI) 亚表型. 这些新型AKI亚现象型比目前的危急病患者标准提供了更好的预后价值.
科学领域:
- 关键护理医学 关键护理医学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 在医疗保健中的数据科学.
背景情况:
- 急性损伤 (AKI) 是重症患者常见的并发症,与高死亡率有关.
- 由于各种潜在原因,当前的AKI分类系统在评估治疗疗效和患者预后方面存在局限性.
- 识别不同的AKI亚表型对于个性化医疗和改善患者治疗结果至关重要.
研究的目的:
- 使用例行收集的临床数据识别急性损伤 (AKI) 的不同亚现象.
- 揭示AKI患者队伍中独特的病理生理模式.
- 开发一个更精细的AKI分类系统.
主要方法:
- 对两个大型重症监护数据集 (MIMIC-IV和eICU-CRD) 的回顾性分析.
- 应用深度聚类方法来导出AKI亚型.
- 进一步分析以解释亚表型特征和临床模式.
主要成果:
- 在两个独立的队列 (14,189名和19,382名患者) 中,确定了七种不同的AKI亚型.
- 亚表型在人口统计,并发症,实验室值和生存率方面表现出显著的异质性,死亡率各不相同.
- 与现有的KDIGO标准单独相比,这些衍生子类型显示出更高的预后能力 (微型AUROC 0.81-0.83).
结论:
- 成功地获得了新的,可解释和临床可用的AKI亚型.
- 这些子类型具有卓越的预后价值,有助于更好的患者分层和管理.
- 这些发现支持在重症监护机构对急性损伤进行数据驱动的亚型化.
相关概念视频
01:27Dialysis
286
Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
286
01:10Nephrons
2.3K
The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
2.3K