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Human bladder urine oxygen content: implications for urinary tract diseases
X Giannakopoulos1, A Evangelou, V Kalfakakou
1Department of Urology, Ioannina University School of Medicine, University Hospital, Greece.
International Urology and Nephrology
|January 1, 1997
Summary
Urine dissolved oxygen (DO) can indicate kidney health. Conditions like chronic renal failure increase urinary DO, while infections or exercise decrease it, suggesting DO
Area of Science:
- Nephrology
- Clinical Chemistry
Background:
- Urine dissolved oxygen (DO) has not been extensively studied as a clinical biomarker.
- Understanding factors influencing urinary DO is crucial for its potential diagnostic applications.
Purpose of the Study:
- To investigate urine dissolved oxygen (DO) levels in healthy individuals and patients with various conditions.
- To determine the correlation of urinary DO with physiological parameters and disease states.
- To assess the potential of urinary DO as a clinical indicator.
Main Methods:
- Urine DO was measured in 40 healthy subjects and 115 patients (urinary tract infection, urinary stone disease, chronic renal failure, influenza viral infection).
- Urinary and arterial blood gases (PO2, PCO2, pH) were measured in 20 healthy subjects.
- Urinary DO was assessed in healthy volunteers after submaximal exercise.
Main Results:
- In healthy subjects, urinary DO did not correlate with urinary or arterial pH, PO2, or PCO2, and remained stable over consecutive days.
- Urinary DO increased in chronic renal failure (decreased kidney metabolism) and decreased with urinary tract infection, influenza, and exercise.
- Urinary DO was unaffected in uncomplicated urinary stone disease and showed a relationship with serum creatinine and urine volume.
Conclusions:
- Urinary DO reflects the renal metabolic state.
- Urinary DO levels are influenced by factors such as kidney function, infection, and physical activity.
- Urinary DO shows promise as a novel and useful indicator in clinical practice.