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Urine bag as a modern day matula
1Department of General Medicine, Indira Gandhi Medical College, Kathirkamam, Pondicherry 605009, India.
ISRN Nephrology
|June 25, 2014
Summary
Urine color changes, though alarming, are often harmless and indicate the presence of infections, medications, or hemolysis. This review details various urine colors and their causes, aiding in diagnosis.
Area of Science:
- Urology
- Clinical Chemistry
- Diagnostic Medicine
Background:
- Uroscopic analysis, a historical diagnostic method, has been overshadowed by modern urinalysis.
- Urinary discoloration, often linked to urochrome concentration or pigments, can provide diagnostic clues.
Purpose of the Study:
- To review the diverse colors of urine observed in hospitalized patients.
- To correlate urine colors with their potential etiologies, including infections, medications, poisons, and hemolysis.
Main Methods:
- Literature search conducted across major scientific databases (PubMed, EBSCO, ScienceDirect, Proquest, Google Scholar, Springer, Ovid).
- Analysis of twelve case examples of discolored urine from patient urine bags, noting predisposing factors.
Main Results:
- Observed urine colors included blue-green, yellow, orange, pink, red, brown, black, white, and purple.
- Each color variation was associated with specific endogenous or exogenous factors, such as medications, metabolic conditions, or hemolysis.
Conclusions:
- Urinary discoloration, while concerning, is frequently benign and resolves upon removal of the causative agent.
- Understanding the spectrum of urine colors and their causes remains valuable in clinical practice, complementing advanced urinalysis techniques.
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