Peer-reviewed veterinary case report
CT scan shows ventral slot surgery reduces spinal cord pressure
By Böttcher, Peter et al.·Published in Veterinary surgery : VS·2013·Department of Small Animal Medicine, Germany·View original on PubMed →
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Original publication title: Effect of ventral slot procedure on spinal cord compression in dogs with single static intervertebral disc disease: preliminary findings while evaluating a semiquantitative computed tomographic myelographic score of spinal cord compression.
- Species:
- dog
Plain-English summary
A group of 17 dogs with spinal cord compression due to intervertebral disc disease underwent a ventral slot procedure to relieve pressure on their spinal cords. After the surgery, 13 of the dogs showed significant improvement in their neurological function, although some still had residual compression that didn't affect their long-term recovery. The study found that while the surgery helped many dogs feel better, it didn't always completely eliminate the compression. Overall, the procedure was effective in improving the dogs' movement and quality of life.
People also search for: dog spinal cord compression treatment · intervertebral disc disease surgery dogs · ventral slot procedure recovery
Abstract
OBJECTIVE: To (1) evaluate pre- and postoperative cervical spinal cord compression (SCC) in the context of uncomplicated ventral slot (VS) decompression using computed tomographic (CT) myelography and (2) report reliability of a semiquantitative SCC score using CT myelography. STUDY DESIGN: Prospective and retrospective, clinical pilot study. ANIMALS: Dogs (n = 17) with single static intervertebral disc disease. METHODS: On matched pre- and postoperative transverse CT myelographic images, degree and lateralization of extradural SCC were scored by 4 blinded independent observers, followed by consensus finding. Inter- and intraobserver variability was quantified using intraclass correlation (ICC). Nonparametric tests were performed comparing pre- and postoperative SCC, correlation with neurologic status and significance of lateralization. RESULTS: Because of invisible contrast agent, only 13 dogs could be fully evaluated. After VS, SCC was significantly reduced whereas neurologic function significantly improved. Ten dogs had residual compression, not affecting neurologic long-term outcome. Only preoperative compression score and neurologic status 3-7 weeks postoperatively were inversely correlated. Lateralization of SCC preoperatively did not affect postsurgical compression scores. Interobserver ICC was 0.848 and intraobserver ICC was 0.984. CONCLUSIONS: VS improves neurologic function but often fails at completely resolving extradural SCC. The proposed CT myelographic score is highly reliable, assuring consistency among and within observers.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23240963/