基于多中心分布式研究网络的急性损伤检测时间序列AI模型:开发和验证研究研究
Suncheol Heo1, Eun-Ae Kang2, Jae Yong Yu1
1Department of Biomedical System Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea.
JMIR medical informatics
|July 23, 2024
概括
这项研究开发了一种可解释的深度学习模型,使用电子健康记录来预测急性损伤 (AKI). 该模型成功地在服用毒药物的患者中识别了AKI的早期迹象.
科学领域:
- 医疗信息学 医疗信息学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 人工智能的人工智能
背景情况:
- 急性损伤 (AKI) 是患者病情恶化的关键指标,也是造成毒性的重要原因.
- 现有的AKI预测模型是有限的,特别是那些利用分布式研究网络 (DRN) 的时间序列数据的模型.
研究的目的:
- 开发和验证可解释的基于长期短期记忆 (LSTM) 的模型,用于早期检测AKI.
- 将该模型应用于基于医院电子健康记录 (EHR) 的时间序列数据,用于在DRN中服用毒药物的患者.
主要方法:
- 一个多机构的回顾性队列研究,涉及6家医院和一个DRN.
- 使用患者数据和倾向分数匹配开发可解释的多变量LSTM (IMV-LSTM) 模型.
- 对时间注意值的分析,以确定AKI的关键预测变量.
主要成果:
- 该研究分析了6家医院的8,643名AKI患者和31,012名对照人群.
- IMV-LSTM模型表现出强大的预测性能,阿西克洛维尔的AUC最高 (0.94).
- 淋巴细胞和的注意值很高,而其他变量如白蛋白和血红蛋白随着时间的推移而下降,这表明潜在的AKI标志物.
结论:
- 一个可解释的LSTM模型通过DRN应用于EHR数据,可以对AKI进行早期监测.
- 这种方法有助于识别风险因素,并促进与毒药物相关的不良药物反应的早期检测.
相关概念视频
01:22Acute Kidney Injury I: Introduction
Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
01:29Acute Kidney Injury II: Pathophysiology
Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
01:29Acute Kidney Injury III: Clinical Manifestations
Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
01:30Acute Kidney Injury IV: Diagnostic Studies and Prevention
Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
01:20Acute Kidney Injury V: Interprofessional Care
Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
01:22Acute Kidney Injury VI: Nursing Management
Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...