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Updated: Jun 19, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
Published on: August 14, 2019
METHODS AND EFFECTS OF INCREASING THE URINARY CONSTITUENTS IN THE BODY
1Department of Laboratories, Henry Ford Hospital, Detroit.
Prolonged urine reabsorption in animals shows high urinary constituents damage kidneys. This damage explains progressive kidney disease and renal insufficiency in both experimental models and humans.
Area of Science:
- Nephrology
- Toxicology
- Experimental Pathology
Background:
- Kidney function is crucial for waste excretion.
- Understanding the impact of urinary constituent reabsorption is vital for kidney health.
Purpose of the Study:
- To investigate the effects of slow, continued urine reabsorption on kidney tissues.
- To correlate high levels of urinary constituents with kidney damage and renal insufficiency.
Main Methods:
- Development of five methods for inducing slow urine reabsorption in experimental animals.
- Analysis of blood chemistry and tissue changes, with a focus on renal pathology.
- Examination of kidney tissues from experimental animals and human patients with nephritis.
Main Results:
- High and rapid increases in urinary constituents were found to be destructive to the kidney.
- Degenerative changes in kidney tissue were observed, consistent with nephritis and chronic kidney disease.
- These changes correlate with progressive renal insufficiency.
Conclusions:
- Elevated levels of excretory products in the body are a primary cause of kidney damage.
- The findings provide insight into the mechanisms underlying progressive kidney disease and renal failure.
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