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Postlaminectomy Syndrome and Osteoarthritis of the Spine

Tomoji Mizuguchi, MD

Arch Surg. 1976;111(6):719-722.

Abstract
• Division of the pyriformis muscle at its tendinous insertion was employed for the treatment of sciatica in 14 patients with postlaminectomy syndrome and osteoarthritis of the spine. Of these patients, 85% had satisfactory results. It is logical that the pyriformis muscle can play an important role in the production of sciatica associated with intraspinal lesions. Tension on the sciatic nerve, which passes in close approximation to the pyriformis muscle anteriorly, can be relieved by division of the pyriformis muscle.

(Arch Surg 111:719-720, 1976)

Author Affiliations
From the Surgical Service, Veterans Administration Hospital, Des Moines, Iowa, and the Department of Orthopedic Surgery, Keio University, School of Medicine, Tokyo.

Footnotes
Accepted for publication Jan 16, 1976.

Reprint requests to Veterans Administration Hospital, 30th and Euclid, Des Moines, IA 50310 (Dr Mizuguchi).

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