Characteristics of dogs admitted for treatment of cervical intervertebral disk disease: 105 cases (1972-1982)

Mark J. Dallman From the Department of Small Animal Clinical Science, Virginia-Maryland Regional College of Veterinary Medicine (Dallman), the Department of Statistics (Palettas) Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, and the Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, MO 65211 (Bojrab).

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Panickos Palettas From the Department of Small Animal Clinical Science, Virginia-Maryland Regional College of Veterinary Medicine (Dallman), the Department of Statistics (Palettas) Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, and the Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, MO 65211 (Bojrab).

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M. Joseph Bojrab From the Department of Small Animal Clinical Science, Virginia-Maryland Regional College of Veterinary Medicine (Dallman), the Department of Statistics (Palettas) Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, and the Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, MO 65211 (Bojrab).

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Summary

Case histories of 105 dogs that were treated for cervical intervertebral disk disease (ivdd) were studied retrospectively. To compare with previous data, dogs were grouped by age, gender, and breed. Dogs were also grouped by clinical signs of disease, and by presence and location of radiologic change.

The age range of cases of cervical ivdd was 1 to 13 years (mean, 6.3 years). Fifty-nine percent of dogs treated for cervical ivdd were females, but the proportion of diseased females was similar to females in total hospital admissions. Twenty-eight breeds of dogs were treated for cervical ivdd. Dachshunds and Beagles were significantly over represented (P ≤ 0.001). However, gender-breed interaction was not observed.

Prevalence of radiologic evidence of disk disease was detected at the following levels of the vetebral column: C2-3, 29%; C3-4, 24%; C4-5, 21%; C5-6, 15%; C6-7, 9%; and C7-T1, 2%. Significant difference was not observed in prevalence of cervical ivdd affecting the first 4 disk spaces. However, prevalence of cervical ivdd at C7-T1 was significantly less than that involving the first 4 disk spaces (P < 0.02), and the space at C6-7 was significantly less affected than were the first 3 spaces (P < 0.08).

Significant association was not evident between clinical signs (pain and neurologic deficits) and radiologic signs of ivdd, although neurologic deficits were more likely to be observed in association with radiologic signs than with signs of pain.

Summary

Case histories of 105 dogs that were treated for cervical intervertebral disk disease (ivdd) were studied retrospectively. To compare with previous data, dogs were grouped by age, gender, and breed. Dogs were also grouped by clinical signs of disease, and by presence and location of radiologic change.

The age range of cases of cervical ivdd was 1 to 13 years (mean, 6.3 years). Fifty-nine percent of dogs treated for cervical ivdd were females, but the proportion of diseased females was similar to females in total hospital admissions. Twenty-eight breeds of dogs were treated for cervical ivdd. Dachshunds and Beagles were significantly over represented (P ≤ 0.001). However, gender-breed interaction was not observed.

Prevalence of radiologic evidence of disk disease was detected at the following levels of the vetebral column: C2-3, 29%; C3-4, 24%; C4-5, 21%; C5-6, 15%; C6-7, 9%; and C7-T1, 2%. Significant difference was not observed in prevalence of cervical ivdd affecting the first 4 disk spaces. However, prevalence of cervical ivdd at C7-T1 was significantly less than that involving the first 4 disk spaces (P < 0.02), and the space at C6-7 was significantly less affected than were the first 3 spaces (P < 0.08).

Significant association was not evident between clinical signs (pain and neurologic deficits) and radiologic signs of ivdd, although neurologic deficits were more likely to be observed in association with radiologic signs than with signs of pain.

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