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Effect of Wide Posterior Release on Correction in Adolescent Idiopathic Scoliosis
Ist Teil von
Journal of pediatric orthopaedics. B, 1998-04, Vol.7 (2), p.117-123
Ort / Verlag
United States: Williams & Wilkins
Erscheinungsjahr
1998
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
Wide lumbar posterior release, consisting of partial excision of spinous process, excision of interspinous ligament and ligamentum flavum, and excision of facet in plane of facet from both outside and within the spinal canal has been employed to increase coronal correction and improve the production of lumbar lordosis (10). Adolescent idiopathic patients with fusion into the lumbar spine were studied. Pre- and postsurgical coronal and sagittal Cobb measurements as well bending measurements were done. Intraoperative biplanar radiographs were done after positioning, after lumbar rod placement, and finally after wide release and placement of the same rod. Statistical analysis was by paired Studentʼs f-test. Significantly (p < 0.005), improved correction was attained in the coronal plane with release (76% vs. 64%). Total lordosis and instrumented segment lordosis was also significantly (p < 0.025) improved with release (12° vs. 3°). Coronal and sagittal plane correction in the lumbar spine is improved significantly with a wide posterior lumbar release.