下载此文档

急性肾衰竭.ppt


文档分类:医学/心理学 | 页数:约32页 举报非法文档有奖
1/32
下载提示
  • 1.该资料是网友上传的,本站提供全文预览,预览什么样,下载就什么样。
  • 2.下载该文档所得收入归上传者、原创者。
  • 3.下载的文档,不会出现我们的网址水印。
1/32 下载此文档
文档列表 文档介绍
急性肾衰竭.ppt急性肾衰竭
Acute Renal Failure
(ARF)
第一课件网网站
DEFINITIONS AND INCIDENCE
Acute renal failure (ARF) is a syndrome characterized by rapid decline in glomerular filtration rate(GFR) and retention of nitrogenous waste products such as blood urea nitrogen (BUN) and creatinine.
plicates approximately 5% of hospital admissions and up to 30% of admissions to
intensive care units.
CLASSIFICATION
Prerenal azotemia
Intrinsic renal azotemia
Postrenal azotemia
ETIOLOGY OF ARF
Prerenal Azotemia
Intravascular Volume Depletion
Decreased Cardiac Output
Systemic Vasodilatation
Renal Vasoconstriction
Pharmacologic Agents (ACEI or NSAIDs)
ETIOLOGY OF ARF
Postrenal Azotemia
Ureteric Obstruction
Bladder Neck Obstruction
Urethral Obstruction
ETIOLOGY OF ARF
Intrinsic Renal Azotemia
Diseases Involving Large Renal Vessels
Diseases of Glomeruli And Microvasculature
Acute Tubule Necrosis
Diseases of the Tubulointerstitium
第一课件网网站
急性肾小管坏死
Acute Tubule Necrosis
(ATN)
ETIOLOGY OF ATN
Renal Ischemia(50%)
Nrphrotoxins (35%)
Exogenous
Endogenous
PATHOPHYSIOLOGY OF ATN
Intrarenal Vasoconstriction
Tubular Dysfunction
Role of Hemodynamic alterations in ATN
Reduction in Total Renal Blood
Flow Regional Disturbance in
Renal Blood Flow and Oxygen
Supply
Edothelin (ET) / NO (EDNO)
Other Endothelial Vasoconstrctors
The Tubulo-glomerular Feed Back

急性肾衰竭 来自淘豆网www.taodocs.com转载请标明出处.

相关文档 更多>>
非法内容举报中心
文档信息
  • 页数32
  • 收藏数0 收藏
  • 顶次数0
  • 上传人lily8501
  • 文件大小331 KB
  • 时间2017-06-27