Yellowish discoloration of dialyzer.

06:00 EST 23rd November 2011 | BioPortfolio

Summary of "Yellowish discoloration of dialyzer."

A 43-year-old Chinese man with chronic viral hepatitis and end-stage renal disease, receiving conventional hemodialysis for 6 years, presented with general malaise and abdominal fullness. After 4.5 hours of hemodialysis, the hollow fibers of the dialyzer turned yellow. Biochemistry studies showed hyperbilirubinemia. The actual serum bilirubin (7.4 mg/dL) could be proved. Abdominal echography survey was negative. Hyperbilirubinemia was secondary to acute exacerbation of chronic viral hepatitis. Anuria and skin hyperpigmentation in uremia lack the tea-color urine and mask clinical jaundice in the presence of hyperbilirubinemia. Careful observation of dialyzer yellowish discoloration gave us timely discovery of patient's hyperbilirubinemia.


Hong Zen Clinic and Hemodialysis Center, HsinChu City, Taiwan.

Journal Details

This article was published in the following journal.

Name: Hemodialysis international. International Symposium on Home Hemodialysis
ISSN: 1542-4758


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Medical and Biotech [MESH] Definitions

The yellowish discoloration of connective tissue due to deposition of HOMOGENTISIC ACID (a brown-black pigment). This is due to defects in the metabolism of PHENYLALANINE and TYROSINE. Ochronosis occurs in ALKAPTONURIA, but has also been associated with exposure to certain chemicals (e.g., PHENOL, trinitrophenol, BENZENE DERIVATIVES).

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Coloration or discoloration of a part by a pigment.

Purplish or brownish red discoloration, easily visible through the epidermis, caused by hemorrhage into the tissues.

A permanent ashen-gray discoloration of the skin, conjunctiva, and internal organs resulting from long-continued use of silver salts. (Dorland, 27th ed)


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