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Medial Epicondylectomy in Cubital Tunnel Syndrome: An Electrodiagnostic Study

From the Orthopaedic Department "A", Assaf Harofeh Medical Center, Zerifin 70300, Israel

Correspondence: Dr D. Robinson, "Assaf Harofeh" Medical Centre, Bldg. 93, Zerifin 70300, Israel.

Prospective analysis of 27 medial epicondylectomies in 22 patients with McGowan grade I ulnar neuropathy demonstrated an improvement in clinical symptoms. In all patients a N.C.V. study, in which compression of the ulnar nerve at the cubital tunnel was evident, has been a prerequisite for operation. Conduction velocity across the cubital tunnel averaged 48% of normal (26.4 +/– 8.7 metres per second) preoperatively and increased to 85% of normal (46.7 +/– 9.7 metres per second) postoperatively.

A preoperative N.C.V. study allows the achievement of a high success rate, especially in the less well clinically defined group of patients with grade I neuropathy (subjective complaints without any objective signs of muscle atrophy). Medial epicondylectomy is safe and predictable in the treatment of cubital tunnel syndrome.

Journal of Hand Surgery (British and European Volume), Vol. 17, No. 3, 255-256 (1992)
DOI: 10.1016/0266-7681(92)90109-F


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