[Development of renal affection in obese patients]
Terapevticheskii Arkhiv
|August 8, 2006
Summary
Obesity causes kidney damage through endothelial dysfunction, indicated by microalbuminuria (MAU) and impaired vasodilation. Angiotensin II receptor blockers can reverse these early signs of renal damage in obese individuals.
Area of Science:
- Nephrology
- Endocrinology
- Cardiovascular Medicine
Context:
- Obesity is linked to increased risk of kidney disease.
- Early detection of renal damage is crucial for intervention.
- Endothelial dysfunction plays a role in obesity-related complications.
Purpose:
- To investigate the mechanisms and early markers of renal damage in obese individuals.
- To assess the impact of obesity on renal functional reserve and endothelial function.
- To evaluate the efficacy of valsartan in improving renal and endothelial parameters.
Summary:
- Microalbuminuria (MAU) was present in 62% of obese males, correlating with elevated leptin and endothelin-1.
- Obese patients exhibited reduced renal functional reserve (RFR) despite normal creatinine and GFR.
- Impaired endothelium-related vasodilation (ERVD) and elevated uric acid/homocysteine were observed in patients with low RFR.
- Valsartan treatment for 3 months improved ERVD and resolved MAU.
Impact:
- Identifies early markers of kidney damage in obesity, including MAU and impaired RFR.
- Highlights the role of endothelial dysfunction and elevated endothelin-1 in obesity-related nephropathy.
- Demonstrates the therapeutic potential of angiotensin II receptor blockers in managing renal complications of obesity.
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