Incidence and prognostic value of low plasma ionized calcium concentration in cats with acute pancreatitis: 46 cases (1996-1998)

Susan E. Kimmel, Robert J. Washabau, Kenneth J. Drobatz

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Abstract

Objective - To determine the incidence and prognostic significance of low plasma ionized calcium concentration in cats with clinical signs of acute pancreatitis (AP). Design - Retrospective study. Animals - 46 cats with AP and 92 control cats with nonpancreatic diseases. Procedure - Medical records were reviewed, and results of clinicopathologic testing, including plasma ionized and total calcium concentrations, acid-base values, and electrolyte concentrations, were recorded. Cats with AP were grouped on the basis of outcome (survived vs died or were euthanatized), and plasma ionized calcium concentrations, acid-base values, and electrolyte concentrations were compared between groups. Results - Serum total calcium concentration was low in 19 (41%) cats with AP, and plasma ionized calcium concentration was low in 28 (61%). Cats with AP had a significantly lower median plasma ionized calcium concentration (1.07 mmol/L) than did control cats (1.12 mmol/L). Nineteen (41%) cats with AP died or were euthanatized; these cats had a significantly lower median plasma ionized calcium concentration (1.00 mmol/L) than did cats that survived (1.12 mmol/L). Ten of the 13 cats with AP that had plasma ionized calcium concentrations ≤ 1.00 mmol/L died or were euthanatized. Conclusions and Clinical Relevance - Results suggest that low plasma ionized calcium concentration is common in cats with AP and is associated with a poorer outcome. A grave prognosis and aggressive medical treatment are warranted for cats with AP that have a plasma ionized calcium concentration ≤ 1.00 mmol/L. (J Am Vet Med Assoc 2001;219:1105-1109).

Original languageEnglish (US)
Pages (from-to)1105-1109
Number of pages5
JournalJournal of the American Veterinary Medical Association
Volume219
Issue number8
DOIs
StatePublished - Oct 15 2001

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