Cervical myeloradiculopathy with entrapment neuropathy: a study based on the double-crush concept

Abstract

In an attempt to formulate a standardised approach to the diagnosis and management of patients with the double-crush syndrome, we reviewed 65 surgical cases (39 men and 26 women) with cervical myeloradiculopathy associated with entrapment neuropathy in the arm by examining the clinical features, results of nerve conduction velocity studies and distribution of the vertebral levels of compression. Fifty-three patients (average age, 43 years) presented with a carpal tunnel syndrome at the wrist and cervical lesions (41 with spondylosis and 12 with ossified posterior longitudinal ligament), while 12 had a cubital tunnel syndrome at the elbow with cervical lesions (eight with spondylosis and four with ossification of the posterior longitudinal ligament). In the former group, the lesions were found mostly at C5–6 and C6–7 levels, while in the latter group involvement of C6–7 was frequently observed. Two patients in each group required additional cervical decompression after carpal or cubital tunnel release. A retrospective review of our patients suggested that it is reasonable to pursue an accurate diagnosis followed by treatment based on individual neurological and electrophysiological findings, but taking into consideration the significant level of physical impairment associated with cord compromise, we believe that it may be reasonable to perform a cervical decompression rather than peripheral nerve release in such cases. Our findings suggest that one should be aware of a double-crush during examination of patients complaining of neck and hand problems.

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Correspondence to H Baba.

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Baba, H., Maezawa, Y., Uchida, K. et al. Cervical myeloradiculopathy with entrapment neuropathy: a study based on the double-crush concept. Spinal Cord 36, 399–404 (1998). https://doi.org/10.1038/sj.sc.3100539

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Keywords

  • cervical myeloradiculopathy
  • entrapment neuropathy
  • double-crush syndrome

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