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Predictive factors of cervical spondylotic myelopathy in patients with lumbar spinal stenosis

OBJECTIVE: To analyze cervical spondylotic myelopathy (CSM) predictive factors in patients with lumbar spinal stenosis (LSS). METHODS: Two hundred thirty-seven patients who visited for low back pain, lower limb pain and/or lower limb numbness and who were diagnosed with LSS were enrolled in this study. The ratio of males to females was 117-120, and the mean age was 68.8 years (range 45-87 years). LSS and CSM were diagnosed by characteristic symptoms, physical findings and MRI. We examined gender, age, Torg-Pavlov ratio (TPR), spondylolisthesis or spondylosis, LSS symptom types and number of stenosis segments with LSS to clarify predictive factors for CSM. RESULTS: There were 21 (8.86%) patients with coexistent CSM among 237 LSS patients. CSM morbidity was significantly more common among males compared with females. TPR was 0.71 +/- 0.09 in the CSM patients and 0.81 +/- 0.10 in the non-CSM patients. TPR of the CSM patients was significantly smaller than that of the non-CSM patients. We analyzed to determine the predictive factors of CSM and TPR was identified. The predictive value of TPR for CSM was 0.78. CONCLUSION: Torg-Pavlov ratio was the most important predictive factor of CSM in patients with LSS

Keywords : Aged,Aged,80 and over,Back,Back Pain,Cervical Vertebrae,complications,diagnosis,diagnostic imaging,etiology,Female,Humans,Japan,Low Back Pain,Lumbar Vertebrae,Magnetic Resonance Imaging,Male,methods,Middle Aged,Morbidity,Pain,pathology,Patients,Radiography,Risk Factors,Spinal Cord Compression,Spinal Stenosis,Spondylolisthesis,Spondylosis,surgery,Universities,, Factors,Cervical,Spondylotic,Myelopathy, fibromyalgia private treatment

Date of Publication : 2012 May

Authors : Iizuka H;Takahashi K;Tanaka S;Kawamura K;Okano Y;Oda H;

Organisation : Department of Orthopaedic and Spinal Surgery, Saitama Mediclal University, Morohongo 38, Moroyama, Iruma, Saitama 350-0495, Japan. hideki.iizuka@nifty.com

Journal of Publication : Arch Orthop Trauma Surg

Pubmed Link : https://www.ncbi.nlm.nih.gov/pubmed/22278119

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