Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/46629
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Type: Journal article
Title: Anterior instrumentation for thoracolumbar adolescent idiopathic scoliosis: Do structural interbody grafts preserve sagittal alignment better than morselized rib autografts?
Author: Watkins, R.
Hussain, N.
Freeman, B.
Grevitt, M.
Webb, J.
Citation: Spine, 2006; 31(20):2337-2342
Publisher: Lippincott Williams & Wilkins
Issue Date: 2006
ISSN: 0362-2436
1528-1159
Statement of
Responsibility: 
Watkins, Robert G.; Hussain, Nazakat; Freeman, Brian J.; Grevitt, Michael P.; Webb, John K.
Abstract: Study Design. This is a retrospective, sequential cohort study of 34 patients treated by anterior instrumented fusion with single solid rod, single screw constructs with at least 2-year follow-up. Sixteen of the patients received structural grafts as interbody spacers in disc levels below T12, while the other 18 patients received only morselized rib autograft. Objective. To determine if structural interbody grafts preserve sagittal alignment better than morselized rib autograft. of Background Data. Some studies have shown that structural grafts are more effective in preserving sagittal alignment, while others have found them to be no more effective than morselized rib graft. Methods. Anterior-posterior radiographs were measured for primary, secondary, and fractional Cobb curves, and C7-sacrum plumb lines. Lateral radiographs were measured for: T5-HIV (highest instrumented vertebrae), instrumented levels, LIV (lowest instrumented vertebrae)-S1, T12-LIV, and T12-S1 angles, C7-sacrum plumb lines, and LID-A (lowest instrumented disc-angle). Results. The increase in kyphosis from preoperative to follow-up radiographs of the angle between T12-LIV was significantly more for the patients with morselized rib graft compared with those with structural grafts, 9° and 1°, respectively (P< 0.05). Conclusions. The structural grafts placed in disc spaces below T12 were able to maintain sagittal alignment over this region, while the spines that received only morselized rib graft collapsed into kyphosis.
Keywords: Diseases of the osteoarticular system
Deformation
Spine disease
Central nervous system disease
Human
Autograft
Rib(bone)
Alignment
Graft
Idiopathic
Adolescent
Instrumentation
Vertebral canal
Scoliosis
Spinal cord disease
Nervous system diseases
DOI: 10.1097/01.brs.0000240201.14208.68
Published version: http://dx.doi.org/10.1097/01.brs.0000240201.14208.68
Appears in Collections:Aurora harvest 6
Orthopaedics and Trauma publications

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