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相关概念视频

Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

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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...
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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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...
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Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

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Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
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Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

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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...
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Chronic Kidney Disease I: Introduction01:25

Chronic Kidney Disease I: Introduction

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Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
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Heart Failure I: Introduction01:27

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Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
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相关实验视频

Updated: Sep 10, 2025

Assessment of Vascular Function in Patients With Chronic Kidney Disease
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老年人的功能和心力衰竭风险:前性队列研究的结果

Oyunchimeg Buyadaa1, Rory Wolfe2, Andrew M Tonkin3

  • 1School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia Oyun.Buyadaa@monash.edu.

Heart (British Cardiac Society)
|August 22, 2025
PubMed
概括

尿中的白蛋白与肌素比率 (UACR) 升高,显著增加了老年人心力衰竭 (HF) 住院和死亡的风险. 低估计的球膜过率 (eGFR) 也会增加HF风险,而高估计的eGFR则会增加HF风险.

关键词:
群组研究流行病学心脏衰竭

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科学领域:

  • 心脏病学
  • 肝脏病学
  • 老年病学

背景情况:

  • 功能受损越来越被认为是心血管疾病的重要危险因素.
  • 评估UACR和eGFR等功能标志物可能有助于识别心力衰竭 (HF) 风险较高的人.

研究的目的:

  • 在一大群老年人中调查功能受损 (UACR和eGFR) 与心力衰竭 (HF) 住院或死亡之间的关联.
  • 确定白蛋白尿和降低或升高的EGFR是否预测不良的HF结果.

主要方法:

  • 分析了ASPREE试验和观察性研究中的17834名参与者.
  • 使用考克斯模型计算HF住院,HF死亡和HF再入院的危险比率 (HRs),调整为混因素.
  • 估计的基线白蛋白尿 (UACR) 和估计的球过率 (eGFR).

主要成果:

  • 白蛋白尿 (UACR ≥3. 0 mg/ mmol) 与HF住院风险增加47% (HR 1.47) 和HF死亡风险增加55% (HR 1.55) 相关.
  • 在低水平 (< 60 mL/ min/ 1. 73 m2) 和高水平 (> 90 mL/ min/ 1. 73 m2) 均观察到eGFR的U形关系,尽管高EGFR的相关性在统计学上并不显著.
  • 也增加了HF再入院的风险 (HR 1. 30).

结论:

  • 专尿是老年人心力衰竭不良结果的重要预测因素,支持其在HF风险评估中的使用.
  • 低估计的淋巴细胞过率 (eGFR) 与HF住院和死亡的风险增加有关.
  • 高EGFR和高频结果之间的关联需要进一步调查,并且可能受到残留混的影响.