McCormack Load-Sharing Classification


Name

McCormack load-sharing classification

Synonyms

McCormack-Gaines load-sharing classification, Load sharing classsification of burst fractures.

Source Article

McCormack T, Karaikovic E, Gaines RW. The load-sharing classification of spine fractures. Spine 1994;19:1741–4.

Description

A point system was developed in 1994 by McCormack and Gaines to describe the spinal injury. The load-sharing classification grades the extent of vertebral body comminution, the amount of fracture displacement, and the amount of correction of kyphotic deformity (see schema below).

Scoring Method

According to authors, using this point system, fractures with mild comminution totaling 6 points or less can be successfully repaired from the posterior approach with pedicle screw implants. Severely comminuted fractures scoring 7 points or more must be repaired by an anterior approach with vertebrectomy and strut grafting.

Load sharing classification of burst fractures



References
McCormack T, Karaikovic E, Gaines RW. The load-sharing classification of spine fractures. Spine 1994;19:1741–4.







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