tailieunhanh - Báo cáo thú y: " Prevalence of radiographic detectable intervertebral disc calcifications in Dachshunds surgically treated for disc extrusion"

Tuyển tập các báo cáo nghiên cứu về bệnh học thý y được đăng trên tạp chí Acta Veterinaria Scandinavica cung cấp cho các bạn kiến thức về bệnh thú yđề tài: Prevalence of radiographic detectable intervertebral disc calcifications in Dachshunds surgically treated for disc extrusion. | Rohdin et al. Acta Veterinaria Scandinavica 2010 52 24 http content 52 1 24 AVS ACTAVETERINARIA Scatand n SCANDINAVICA RESEARCH Open Access Prevalence of radiographic detectable intervertebral disc calcifications in Dachshunds surgically treated for disc extrusion Cecilia Rohdin 1 Janis Jeserevic2 Ranno Viitmaa3 and Sigitas Cizinauskas2 Abstract Background An association between the occurrence of calcified discs visible on radiographic examination CDVR and disc extrusions has been suggested in published literature over the past 10-20 years mainly from Nordic countries. It has also been postulated that dogs without CDVR would not develop disc extrusions. Furthermore inheritance of CDVR has been calculated and it has been postulated that by selecting dogs for breeding with few or no CDVR the prevalence of disc extrusions in the Dachshund population may be reduced. Methods The prevalence of radiographic detectable intervertebral disc calcifications was calculated from one hundred surgeries for disc extrusion performed in 95 Dachshunds in order to determine if the disc causing clinically significant IVDD had radiographic signs of calcification at the time of confirmed disc extrusion. Inclusion criteria for each dog included a complete physical orthopedic and neurologic examination radiographs of the entire vertebral column a myelogram or magnetic resonance imaging examination indicating extradural spinal cord compression and finally a surgical procedure confirming the diagnosis of a disc extrusion. In addition to descriptive statistics age correlation with number of calcifications visible at radiographic examination and with CDVR at the surgery site was examined. Results We found that disc extrusions occur as frequently in discs that are found to have radiographic evidence of calcification as those discs that do not have signs of radiographic calcification and that IVDD intervertebral disc disease requiring surgery does occur in the absence of any

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