EXPERIMENTAL EVALUATION OF CORRECTION FEATURES OF POSTTRAUMATIC KYPHOSIS OF THORACIC AND LUMBAR SPINE

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Abstract

Experimental biomechanical study was performed in 60 spine specimens. Anterior wedge osteotomy and fixation of a specimen in a kyphotic position modeled kyphotic deformity. Deformity correction with various instrumentation systems was firstly performed by maximal extension of segments adjacent to kyphosis-producing block, and carried on after crossing of intervertebral anatomical structures. The study resulted in defining rational approach to surgical correction of posttraumatic deformities in the thoracic and lumbar spine. Minor kyphotic deformities are effectively corrected by instrumentation without mobilization of the spine. Large unfixed kyphosis sometimes requires anterior mobilization. Cases with rigid posttraumatic kyphotic deformity should be operated on with combined mobilization of the spine.

About the authors

K. A. Nadulich

Военно медицинская академия им. С.М. Кирова, Санкт -Петербург

Author for correspondence.
Email: knadulich@rambler.ru
к.м.н., начальник отделения патологии позвоночника клиники военной травматологии и ортопедии Russian Federation

V. M. Shapovalov

Военно медицинская академия им. С.М. Кирова, Санкт -Петербург

Email: fake@neicon.ru
д.м.н.. профессор, заведующий кафедрой военной травматологии и ортопедии Russian Federation

A. V. Teremshonok

Военно медицинская академия им. С.М. Кирова, Санкт -Петербург

Email: Teremshonok@rambler.ru
к.м.н., преподаватель кафедры военной травматологии и ортопедии Russian Federation

S. V. Vasilevich

Военно медицинская академия им. С.М. Кирова, Санкт -Петербург

Email: fake@neicon.ru
к.м.н., врач травматолог-ортопед Russian Federation

References

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  2. McCormack T. Load sharing classification of spine fracture/T. McCormack, E. Karaikovic, R.W. Gaines//Spine. -1994. -Vol. 19. -P. 1741-1744.
  3. Oda I. Biomechanical role of the posterior element, costovertebral joint, and rib cage in the stability of the thoracic spine/I. Oda, K. Abumi, D. Lu//Spine. -1996. -Vol. 21. -P. 1423-1429.
  4. Vaccaro A.R. Post-traumatic spinal deformity/A.R. Vaccaro, J.S. Silber//Spine. -2001. -Vol. 26. -P. 111-118.

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