Blood biochemistry: lipase

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Sections available in full article Overview, Uses, Sampling, Source of test material, Quantity of test material, Quality control, Test (s), Availability, Validity, Technique (intrinsic) limitations, Technician (extrinsic) limitations, Result data, Normal (reference) values, Abnormal values, Errors and Artifacts, Sources, Publications, Vetstream contributor(s),
Contributors Dr Kathleen P Freeman DVM MS PhD MRCVS

Overview

  • Produced primarily in pancreas, degraded and excreted by kidney.

Uses

In combination

  • Diagnosis of pancreatitis Pancreatitis: acute with amylase Blood biochemistry: amylase and TLI Blood biochemistry: trypsin-like immunoreactivity.

Result data

Normal (reference) values

  • Varies with individual laboratories.
  • Usually <300 IU/L.
  • Example of reference interval - 13-200 IU/L.
  • Laboratory should supply reference interval based on this method.

Abnormal values



Increased [lipase]
  • Acute pancreatitis Pancreatitis: acute.
  • Liver disease (unusual).

Errors and Artifacts



False increase
  • Renal disease.
  • Decreased glomerular filtrate.
  • Severe hemolysis.
    Frequently elevated in renal disease due to reduced clearance..
  • Hyperbilirubinemia (measured by turbidometric method).
  • Heparin (anticoagulant).
  • EDTA (anticoagulant).
  • Glucocorticoid therapy.

Sources

Publications

Refereed papers

  • Simpson K W, Batt R M, McLean L et al(1989) Circulating concetrations of trypsin-like immunoreactivity and activities of lipase and amylase after pancreatic duct ligation in dogs. Am J Vet Res 50 , 629.
  • Hall T A & Macy D W (1988) Acute pancreatitis. Comp Cont Educ Pract Vet 10 , 403.

Other sources of information

  • Ettinger S J & Feldman E C (eds) (2000) Textbook of Veterinary Internal Medicine. 5th edn. Philadelphia: W B Saunders & Co.
  • Kaneko J J, Harvey J W & Brass M L (eds) (1997) Clinical Biochemistry of Domestic Animals. 5th edn. Boston: Academic Press.
  • Duncan J R, Prasse K W & Mahaffey E A (1994) Veterinary Laboratory Medicine. Clinical Pathology. 3rd edn. Iowa: Iowa University Press.

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