Calcium Polystyrene Sulfonate Crystal-related Airway Obstruction.

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  • Additional Information
    • Source:
      Publisher: Japanese Society of Internal Medicine Country of Publication: Japan NLM ID: 9204241 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1349-7235 (Electronic) Linking ISSN: 09182918 NLM ISO Abbreviation: Intern Med Subsets: MEDLINE
    • Publication Information:
      Original Publication: Tokyo, Japan : Japanese Society of Internal Medicine, [1992-
    • Subject Terms:
      Polystyrenes*/adverse effects ; Airway Obstruction*/etiology; Humans ; Male ; Aged, 80 and over ; Fatal Outcome ; Hyperkalemia/diagnosis ; Hyperkalemia/etiology ; Crystallization
    • Abstract:
      An 83-year-old man diagnosed with multiple myeloma presented with renal failure and hyperkalemia. The patient was treated with calcium polystyrene sulfonate (CPS: kalimate) for hyperkalemia. On the 10th day after starting CPS, airway obstruction due to the presence of a mass was observed, and the patient died on that same day. Autopsy revealed that the mass was located between the trachea and epiglottis and it was determined to consist of CPS-related mosaic crystals. There was a protrusion within the trachea surrounding the CPS crystals, inflammatory cells, and granulation tissue. This case suggests that CPS is associated with not only gastrointestinal complications, but also with airway complications.
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    • Contributed Indexing:
      Keywords: airway obstruction; calcium polystyrene sulfonate; hyperkalemia; pseudotumor
    • Accession Number:
      0 (Polystyrenes)
      70KO0R01RY (polystyrene sulfonic acid)
    • Publication Date:
      Date Created: 20240225 Date Completed: 20241002 Latest Revision: 20241030
    • Publication Date:
      20241031
    • Accession Number:
      PMC11518599
    • Accession Number:
      10.2169/internalmedicine.2505-23
    • Accession Number:
      38403775