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Kidney Structure

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The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.

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Mouse Model of Acute to Chronic Kidney Disease Transition Induced by Renal Ischemia/Reperfusion Injury

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The aging kidney: structural changes.

Giovanni Pannarale¹, Raffaella Carbone, Giuseppe Del Mastro

¹"Bonomo" Hospital, Andria, Italy. g.pannarale@libero.it

Journal of Nephrology

|September 28, 2010

Summary

This summary is machine-generated.

Kidney structure changes with age, including mass loss and fibrosis. These aging kidney changes are nonspecific and can mimic other conditions, making diagnosis challenging.

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Area of Science:

Nephrology
Gerontology
Pathology

Background:

Kidney structure undergoes significant alterations with advancing age.
Aging kidneys exhibit reduced mass, arterial sclerosis, arteriolar hyalinosis, glomerular sclerosis, tubular loss, and interstitial fibrosis.
The exact causes of age-related kidney structural changes are not fully elucidated.

Purpose of the Study:

To summarize the structural changes observed in the aging kidney.
To highlight the nonspecific nature of these changes and their overlap with other renal conditions.
To emphasize the diagnostic challenges associated with age-related kidney alterations.

Main Methods:

Review of existing literature on kidney aging.
Analysis of pathological characteristics of aging kidneys.
Comparison of age-related changes with those in diabetes and hypertension.

Main Results:

Aging is associated with a distinct set of structural kidney modifications.
These modifications include loss of renal mass, arterial sclerosis, arteriolar hyalinosis, increased glomerular sclerosis, tubular atrophy, and interstitial fibrosis.
The observed changes are not specific to aging and can be present in other renal diseases.

Conclusions:

Age-related kidney structural changes are multifactorial, influenced by genetics and hemodynamics.
The nonspecific nature of these changes necessitates their differentiation from other pathologies.
Arterionephrosclerosis of aging is a diagnosis of exclusion, requiring careful consideration of differential diagnoses.