[基于表型的精确类型,用于风险分层和儿科败血症引起的急性损伤的预后评估]
1Department of Critical Care Medicine, Children's Hospital of Nanjing Medical University, Nanjing 210018, China.
Zhonghua er ke za zhi = Chinese journal of pediatrics
|February 12, 2026
概括
这项研究确定了三种儿科败血症诱导的急性损伤 (SI-AKI) 亚表型:稳定,简单的休克和多器官功能障碍 (MODS). MODS类型的死亡率和严重的临床表现最高,表明需要量身定制的治疗策略.
科学领域:
- 儿科脏病学 儿科脏病学
- 关键护理医学 关键护理医学
- 败血症研究 败血症研究
背景情况:
- 败血症引起的急性损伤 (SI-AKI) 是儿童的一个关键并发症.
- 了解SI-AKI的不同临床亚现象对于预测结果和指导治疗至关重要.
- 当前的分类系统可能无法完全捕捉儿科SI-AKI的异质性.
研究的目的:
- 确定和验证儿科SI-AKI的不同临床亚现型.
- 评估这些亚表型对临床结果的预测价值,包括死亡率和器官功能障碍.
- 为儿童SI-AKI提供个性化治疗策略.
主要方法:
- 对484名患有SI-AKI的儿童进行了回顾性队列研究.
- 从临床数据中获得SI-AKI表型的无监督共识聚类.
- 训练 (70%) 和验证 (30%) 套的分层随机抽样.
- 统计分析包括克鲁斯卡尔-瓦利斯H测试,奇平方测试,卡普兰-梅尔生存分析和Log-rank测试.
主要成果:
- 三种不同的SI-AKI亚表型被确定并验证:稳定 (n=184),简单冲击 (n=203) 和多器官功能障碍 (MODS) (n=97).
- 在不同表型 (P<0.001) 的年龄,BMI,体败血症得分,心率,呼吸率和前列血时间方面观察到显著差异.
- 与其他类型相比,MODS类型的28天死亡率 (58%),侵入性机械通风率 (95%) 和CRRT使用率 (30%) 显着更高 (P<0.001).
结论:
- 在儿科患者中发现并验证了三种不同的SI-AKI表型,具有不同的临床特征和预后.
- 多器官功能障碍 (MODS) 现型代表了最严重的临床表现,并与最差的预后有关.
- 这些发现支持为儿科SI-AKI开发表型特异性管理策略,以改善患者的治疗结果.
相关概念视频
01:22Acute Kidney Injury I: Introduction
804
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...
804
01:29Acute Kidney Injury II: Pathophysiology
1.2K
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...
1.2K
01:22Acute Kidney Injury VI: Nursing Management
492
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...
492
01:20Acute Kidney Injury V: Interprofessional Care
365
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...
365
01:29Acute Kidney Injury III: Clinical Manifestations
984
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...
984
01:30Acute Kidney Injury IV: Diagnostic Studies and Prevention
346
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...
346