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ELECTROPHYSIOLOGICAL AND HISTOPATHOLOGICAL EVALUATİON OF CAUDA EOUINA COMPRESSION İN DOGS OBTAINED BY POSTERIOR BONE BLOCK PLACEMENT

  • Ü. Sibel BENLİ
  • İ. Teoman BENLİ
  • Serdar AKALIN
  • Erbil AYDIN
  • Serhan ÖZLÜ
  • Ali Bülent BAZ

J Turk Spinal Surg 1996;7(1):1-9

İn this study 6 healthy dogs were examined after laminectomy and cubic bone block placemenî at Animal and Research Laboratory of Social Security Hospital. The cubic bone was removed at the 5th second, 1st minute, 3rd week or left indefinitely. The somatosensory evoked potentials of the dogs were monitorized with Cadwell Quan-tum 84 equipment intraoperatively and at the postoperative 3rd week. After sacrification of the dogs, cauda equina samples were examined histopathologically. Electrophysiological determination was found io be correlated with duration of the cauda equina compression. Moreover, histopathological neuronal destruction and fibrosis were also in correlation with clinical findings. We concluded that electrophysiologic findings of the patients with spinal stenosis or cauda equina compression could determine the benefits of surgery before decompression planning.

Keywords: electrophysiology, cauda equina, compression, posterior.