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Anatomic and physiologic changes of the aging kidney.
1Division of Nephrology, University of Illinois at Chicago College of Medicine/Associates in Nephrology, SC, 3543 Wisconsin Avenue, Berwyn, IL 60402, USA. edgarvlermamd@pol.net
Clinics in Geriatric Medicine
|September 22, 2009
Summary
Kidney aging leads to reduced nephron count and scarring, impairing kidney function and overall body balance. These degenerative changes impact glomerular and tubular performance, affecting systemic hemodynamics.
Area of Science:
- Nephrology
- Gerontology
- Physiology
Background:
- Aging is a natural biological process characterized by progressive decline.
- Kidney function is known to decrease with age.
- This decline is associated with structural changes within the kidney.
Purpose of the Study:
- To describe the impact of aging on kidney structure and function.
- To highlight the consequences of age-related kidney changes on homeostasis.
Main Methods:
- Review of existing literature on kidney aging.
- Analysis of age-associated changes in nephron number and kidney tissue.
- Examination of functional and hemodynamic alterations in aging kidneys.
Main Results:
- Aging causes a reduction in the number of functioning nephrons.
- Glomerular and tubulointerstitial scarring are characteristic of aging kidneys.
- These structural changes lead to impaired glomerular and tubular function.
Conclusions:
- Kidney aging is a degenerative process involving nephron loss and scarring.
- Age-related kidney changes significantly affect kidney function and systemic hemodynamics.
- These alterations contribute to a decline in overall body homeostasis.
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