dual growing rods for the treatment of early-onset scoliosis by gregory m. mundis, nima kabirian,...

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Dual Growing Rods for the Treatment of Early- Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume 3(1):e6 January 9, 2013 ©2013 by The Journal of Bone and Joint Surgery, Inc.

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Page 1: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Dual Growing Rods for the Treatment of Early-Onset Scoliosis

by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia

JBJS Essent Surg TechVolume 3(1):e6January 9, 2013

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 2: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 3: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 4: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 5: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 6: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Schematic posterior view of dual growing-rod instrumentation.

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 7: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Schematic lateral view of dual growing-rod instrumentation with pedicle screws at both the upper and the lower foundation.

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 8: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Close-up of the upper foundation site consisting of bilateral supralaminar and infralaminar hooks in a claw construct.

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 9: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Close-up of the lateral view of the upper foundation site consisting of supralaminar and infralaminar hooks.

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 10: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Clockwise rotation of the hook holder to insert the infralaminar and supralaminar hooks.

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 11: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Lengthening of the dual growing rods from within the tandem connector.

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 12: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Lengthening performed cephalad to and outside of the tandem connector.

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 13: Dual Growing Rods for the Treatment of Early-Onset Scoliosis by Gregory M. Mundis, Nima Kabirian, and Behrooz A. Akbarnia JBJS Essent Surg Tech Volume

Lengthening of the growing rods connected with side-to-side connectors (wedding band) on either side of the spine.

Gregory M. Mundis et al. JBJS Essent Surg Tech 2013;3:e6

©2013 by The Journal of Bone and Joint Surgery, Inc.