Diabetic nephropathy pathophysiology: Difference between revisions
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==Pathophysiology== | ==Pathophysiology== | ||
* The first renal abnormality seen in patients with diabetic nephropathy is [[hyperfiltration]] and intraglomerular hypertension. | * The first renal abnormality seen in patients with diabetic nephropathy is [[hyperfiltration]] and intraglomerular hypertension. | ||
* [[Microalbuminuria]] (serum albumin level:30 - 300 mg/dl) is the earliest abnormality noted in the urine. This change first appears approximately 5 years after diagnosis of [[diabetes mellitus]]. | * [[Microalbuminuria]] (serum albumin level:30 - 300 mg/dl) is the earliest abnormality noted in the urine. This change first appears approximately 5 years after diagnosis of [[diabetes mellitus]]. Uncontrolled [[systemic hypertension]], sustained high [[blood glucose]] levels and high [[serum cholesterol]] levels contribute to faster progression of damage to [[nephrons]] from [[diabetes mellitus]]. | ||
==References== | ==References== | ||
Revision as of 00:20, 21 January 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aarti Narayan, M.B.B.S [2]
Overview
Thickening of glomerular basement membrane, accumulation of eosinophilic material in the mesangium and intraglomerular hypertension are the major pathophysiologic changes taking place in the nephrons in long standing diabetes mellitus.
Pathophysiology
- The first renal abnormality seen in patients with diabetic nephropathy is hyperfiltration and intraglomerular hypertension.
- Microalbuminuria (serum albumin level:30 - 300 mg/dl) is the earliest abnormality noted in the urine. This change first appears approximately 5 years after diagnosis of diabetes mellitus. Uncontrolled systemic hypertension, sustained high blood glucose levels and high serum cholesterol levels contribute to faster progression of damage to nephrons from diabetes mellitus.