Canis ISSN: 2398-2942

PIVKA

Synonym(s): Thrombotest, Proteins Induced by Vitamin K Absence or Antagonism

Contributor(s): Kathleen P Freeman

Overview

  • Prolongation of coagulation time absence of or abnormal forms of vitamin-K dependent Factors II, VII and X.

Sampling

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Tests

Methodologies

  • Kit test that is suitable for standard fibrometer or some automated instruments.

Availability

  • Available from some commercial laboratories and/or in-practice testing laboratories.
  • Check with commercial laboratories regarding availability.

Validity

Sensitivity

  • Test has been validated for use in dogs.
  • May be more sensitive than PT and/or APTT for detection of absence or antagonism of Vitamin K dependent factors II, VII, and X.

Specificity

  • Not specific for underlying cause of Vitamin K absence or antagonism.

Technique (intrinsic) limitations

  • See quality control factors listed above.

Results Data

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Further Reading

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