衰老的脏和急性脏损伤
Karl A Nath1, Raman Deep Singh1, Anthony J Croatt1
1Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic Rochester, MN.
Journal of the American Society of Nephrology : JASN
|January 21, 2026
概括
衰老通过细胞衰老加速了损伤的风险. 衰老细胞及其分泌表型有助于急性损伤 (AKI) 和其进展为慢性病 (CKD).
科学领域:
- 老年学是一门学科.
- 腎臟病學 (nephrology) 是一種醫學專業.
- 细胞生物学 细胞生物学
背景情况:
- 衰老是急性损伤 (AKI) 和慢性病 (CKD) 的主要危险因素.
- 细胞衰老,一种不可逆转的细胞循环停止状态,是衰老和与年龄有关的疾病的关键驱动因素.
- 衰老细胞表现出不同的代谢和分泌特征,包括衰老相关的分泌表型 (SASP),促进炎症和组织损伤.
研究的目的:
- 审查将衰老,细胞衰老和病病原发生联系在一起的证据.
- 讨论脏中衰老细胞的作用及其对AKI及其过渡到CKD的影响.
- 探索潜在的针对衰老的治疗策略,如老化药和老态药.
主要方法:
- 对有关衰老,衰老,AKI和CKD的现有文献的审查.
- 分析衰老背后的生物机制,包括SASP.
- 讨论导致老年人患上AKI的临床因素.
主要成果:
- 与年龄相关的衰老细胞的积累对AKI风险作出了重大贡献.
- 衰老细胞中的SASP促进炎症,纤维化和血管功能障碍,加剧损伤.
- 衰老在从AKI到CKD的进展中发挥着关键作用.
结论:
- 细胞衰老是与年龄相关的脏疾病背后的一个基本机制.
- 准衰老细胞及其SASP为预防和治疗AKI和CKD提供了有前途的治疗途径.
- 老年疗法,包括老年化药和老年化药,有可能改善老年人群的脏健康.
相关概念视频
01:22Acute Kidney Injury I: Introduction
619
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...
619
01:29Acute Kidney Injury II: Pathophysiology
940
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...
940
01:20Acute Kidney Injury V: Interprofessional Care
305
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...
305
01:22Acute Kidney Injury VI: Nursing Management
410
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...
410
01:29Acute Kidney Injury III: Clinical Manifestations
841
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...
841
01:30Acute Kidney Injury IV: Diagnostic Studies and Prevention
279
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...
279