Comparison of two surgical techniques for the management of cervical spondylomyelopathy in dobermanns
1998
Rusbridge, C. | Wheeler, S. J. | Torrington, A. M. | Pead, M. J. | Carmichael, S.
A study was undertaken to compare the efficacy of two surgical techniques for the treatment of caudal cervical spondylomyelopathy (CCSM): ventral decompression (slot) and vertebral distraction and stabilisation with a screw and washer (screw/washer). Twenty‐eight dobermanns managed surgically for disc‐associated CCSM during a four‐year period were studied retrospectively. The maximum postoperative period was 40 months. Cases were excluded if a minimum follow‐up of 24 months after surgery could not be made. A ‘slot’ took a longer time to perform and had a higher rate of immediate postoperative deterioration. Duration of hospital stay was similar for both procedures. At six months after surgery the two techniques were comparable; 12/14 (screw/washer) and 13/14 (slot) patients were deemed to have a satisfactory outcome. Recurrence of cervical spinal cord disease was higher in the screw/washer dogs. At one year after surgery the recurrence rate was zero (slot) and 5/14 (screw/washer), respectively. At two years after surgery 4/14 of the slot dogs had deteriorated compared to 7/14 of the screw/washer dogs. Where Investigated, the cause of deterioration was either a domino disc lesion or vertebral endplate collapse and dorsal displacement of the screw and washer.
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