Journal of Veterinary Clinics (한국임상수의학회지)

The Korean Society of Veterinary Clinics (한국임상수의학회)
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Devocalization of Dogs by Fixation of Vocal Cords and Vocal Processes

개에서 성대 및 성대돌기의 고정에 의한 무성술

  • Published : 1998.03.01
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Abstract

This study was performed to evaluate the new surgical technique for debarking. Of the 8 mongrel dogs which underwent devocalization, 4 heads (group 1) received complete surgical removal of the vocal cords and another 4 heads (group 2) received fixation of vocal cords and vocal processes onto the thyroid cartilage. Volume of each dogs' voices was measured by a sound level meter(Function A) over 7 months at intervals of 10 days. All experimental animals'hematological values were measured before operation and postoperative at 2i 5 and 10 days. The changes of volume of dogs'voices and hematological values were analyzed by paired t-test. The volume in the dogs'voices in each group after operation was significantly lower than that before operation. At this results we detected that devocalizing effect was the same in each group. Postoperative volume of dogs'voices in group 1 had a tendency to increaser but group 2 had a tendency to decrease. The number of erythrocytes at 2 days after operation was significantly fewer than those before operation in group 1, but the group 2 did not have significant changes. The number of leukocytes at 2 days after operation significantly increased from those before operation in group 11 but the group 2 did not have significant changes. It was concluded that the new surgical technique, fixation of vocal cords and vocal processes onto the thyroid cartilages could be available for the devocalization of dogs and for the prevention of postoperative inflammation and blood loss.

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