风险预测模型,以成功停止治疗急性损伤,接受连续置换疗法
Lei Zhong1,2, Jie Min1,2, Jinyu Zhang3,2
1Department of Intensive Care Unit, Huzhou Central Hospital, Fifth School of Clinical Medicine of Zhejiang Chinese Medical University, Huzhou, Zhejiang Province 313000, China.
iScience
|August 7, 2024
概括
这项研究开发了机器学习模型,以预测什么时候停止急性损伤 (AKI) 患者的连续置换疗法 (CRRT). XGBoost模型显示出强大的预测能力,有助于临床决定停止CRRT.
科学领域:
- 腎病學和重症醫療醫學 腎病學和重症醫學
- 生物医学信息学和机器学习
背景情况:
- 持续置换疗法 (CRRT) 是重症急性损伤 (AKI) 在重症监护病房 (ICU) 的关键干预措施.
- 确定停止CRRT治疗的最佳时间是具有挑战性的,并且会影响患者的治疗结果.
- 预测模型可以帮助临床医生做出关于停止CRRT的知情决定.
研究的目的:
- 开发和验证预后机器学习模型,用于预测重病AKI患者及时停止CRRT的情况.
- 确定最准确的模型用于临床应用,可能通过在线计算器.
主要方法:
- 从MIMIC-IV数据库 (n=758) 进行追溯数据收集,用于模型开发,并从湖州中央医院ICU (n=320) 进行外部验证.
- 使用LASSO回归来进行特征选择的9个机器学习模型的开发.
- 使用接收器操作特征曲线 (AUROC) 下面面积的模型性能评估.
主要成果:
- 所有九种模型在训练组中都实现了超过0.75的AUROC.
- 在验证集中,XGBoost模型显示出最高的AUROC为0.798.
- 选择的XGBoost模型显示了对CRRT停产的显著预测能力.
结论:
- 机器学习模型,特别是XGBoost,可以有效地预测重病AKI患者的CRRT停止.
- 开发的XGBoost模型有望集成到临床决策支持工具中,例如在线计算器.
- 准确预测CRRT停止可以优化资源利用和ICU患者管理.
相关概念视频
Factors Affecting Renal Clearance: Renal Impairment
68
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
68
Renal Failure: Dose Adjustments
77
In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
77
Dialysis
281
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...
281
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
406
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
406
Heart Failure Drugs: Diuretics
353
Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
353
One-Compartment Open Model: Urinary Excretion Data and Determination of k
157
The one-compartment open model leverages urinary excretion data to estimate renal clearance, which gauges the kidney's capacity to expel a drug. This method offers several benefits, including directly measuring drug elimination and assessing the kidney's contribution to overall drug clearance. However, this approach has limitations. It assumes sole renal excretion of the drug, which is not true for all drugs. Accurate urinary excretion and plasma drug concentration measurement can also...
157


