Assessing spinal function using non-conventional reflexes

1997 ◽  
Vol 103 (1) ◽  
pp. 44-45
Author(s):  
D Burke
Keyword(s):  
Author(s):  
Christopher G Kellett ◽  
Matthew J Crocker

Spinal pathology comprises greater than 50% of the neurosurgeon’s workload. Therefore, a comprehensive understanding of spinal pathophysiology is of paramount importance. The spine has three principal biomechanical roles; namely load bearing, mobility, and protection of the neural elements. With obesity on the rise and the ageing population, lumbar spinal disease is set to become increasingly prevalent. This chapter outlines the three key pathophysiological concepts underpinning lumbar spinal disease: spinal function, the motion segment, and spinopelvic balance. In addition, the clinical features pertaining to these common pathological processes are described and the best available evidence guiding treatment is discussed.


2006 ◽  
Vol 117 ◽  
pp. 146-147
Author(s):  
F. Okada ◽  
T. Moriyama ◽  
K. Yamanaka ◽  
T. Tachibana ◽  
Y. Kusano ◽  
...  

2009 ◽  
Vol 11 (4) ◽  
pp. 421-426 ◽  
Author(s):  
Nobuhiro Tanaka ◽  
Kazuyoshi Nakanishi ◽  
Yoshinori Fujimoto ◽  
Hirofumi Sasaki ◽  
Naosuke Kamei ◽  
...  

Object In this prospective analysis the authors describe the clinical results of surgical treatment in patients > 80 years of age in whom spinal function was evaluated with motor evoked potential (MEPs) monitoring. Methods The authors included 57 patients > 80 years of age who were suspected of having cervical myelopathy. The mean age of the patients was 83.0 years (range 80–90 years). The central motor conduction time (CMCT) was calculated from the latencies of the MEPs following transcranial magnetic stimulation and from M and F waves following peripheral nerve stimulation. Results Preoperative electrophysiological evaluation demonstrated significant elongation of CMCT or abnormalities in MEP waveforms in 37 patients (65%), and 35 patients of these underwent laminoplasty. In 30 patients cervical spondylotic myelopathy was diagnosed and 5 patients ossification of the posterior longitudinal ligament was diagnosed. The preoperative mean Japanese Orthopaedic Association Scale score was 8.6 (range 3–12.5) and the mean postoperative score was 12.6 (range 6–14.5) with an average recovery rate of 45% (range −21 to 100%). There were no major complications in any of the patients during the operative period and there were no cases of death resulting from operative intervention. Conclusions Sufficient clinical results are expected even in patients with myelopathy who are older than 80 years of age, provided the patients are correctly selected by electrophysiological evaluation with MEPs and CMCT.


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