Oral Mucosa Bleeding Times of Normal Cats and Cats with Chediak-Higashi Syndrome or Hageman Trait (Factor XII Deficiency)
Article first published online: 23 FEB 2009
© 1988 American Society for Veterinary Pathology
Veterinary Clinical Pathology
Volume 17, Issue 1, pages 9–12, March 1988
How to Cite
Parkerd, M. T., Collier, L. L., Kier, A. B. and Johnson, G. S. (1988), Oral Mucosa Bleeding Times of Normal Cats and Cats with Chediak-Higashi Syndrome or Hageman Trait (Factor XII Deficiency). Veterinary Clinical Pathology, 17: 9–12. doi: 10.1111/j.1939-165X.1988.tb00479.x
- Issue published online: 23 FEB 2009
- Article first published online: 23 FEB 2009
- bleeding time;
- oral mucosa bleeding time;
- Chediak-Higashi syndrome;
- Hageman factor;
- Hageman trait;
- factor XII deficiency.
A commercially available, disposable blade in a spring-loaded cassette was used to measure oral mucosa bleeding times (OMBT) of ketamine/acepromazine-anesthetized cats. The OMBT were determined in cats homozygous for Chediak-Higashi syndrome (CHS; n = 7), cats heterozygous for CHS (n = 6), and cats homozygous for Hageman factor (factor XII) deficiency (n = 5). In addition, OMBT were determined in three groups of normal cats: random-source cats (n = 14), inbred normal relatives of the cats with CHS (n = 7), and inbred normal relatives of Hageman factor deficient cats (n = 9). No significant differences were found in the OMBT of the three groups of normal cats. The mean OMBT for all 30 normal cats was 1.9 minutes ± 0.5 minutes s.d. Compared to the normal cats, those homozygous for CHS had significantly prolonged OMBT (14.1 ± 3.3 minutes; ±p >0.05). The mean OMBT of cats heterozygous for CHS (2.6 ± 0.8 minutes) was also significantly longer than the OMBT of the combined normal group. The mean OMBT of the CHS heterozygotes, however, was not significantly longer than that of their normal relatives (OMBT = 1.8 ± 0.5 minutes), probably because of the low number of cats in this subgroup of normals. As expected, the OMBT of cats homozygous for Hageman factor deficiency (2.3 ± 0.3 minutes) were not significantly prolonged.