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dc.contributor.authorTannous, O.O.
dc.contributor.authorBanagan, K.E.
dc.contributor.authorBelin, E.J.
dc.date.accessioned2019-05-21T18:56:22Z
dc.date.available2019-05-21T18:56:22Z
dc.date.issued2018
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85044828701&doi=10.1177%2f2192568217735507&partnerID=40&md5=a6a034ddc86f084d9a7b0a5d42bea87b
dc.identifier.urihttp://hdl.handle.net/10713/9249
dc.description.abstractStudy Design: Retrospective cohort study. Objective: To determine whether a low-density (LD) screw construct can achieve curve correction similar to a high-density (HD) construct in adolescent scoliosis. Methods: Patients treated operatively for idiopathic scoliosis between 2007 and 2011 were identified through a database review. A consistent LD screw construct was used. Radiographic assessment included percent correction of major and fractional lumbar curves, T5-T12 kyphosis, and angle of lowest instrumented vertebra (LIV). Costs were compared with HD constructs. Results: Thirty-five patients were included in the analysis. Ages ranged from 12 to 19 years (mean = 14.9 years). Average screw density was 1.2 screws per level (range = 1.07-1.5 screws). Mean percent curve correction at latest follow-up: major curve, 66.9%; fractional lumbar curve, 63%. Average postoperative thoracic kyphosis: 29.5°. Mean LIV angle: 5.6°. Average construct cost was $14 871 per case compared with $23 840 per case if all levels had been instrumented with 2 screws, amounting to an average savings of $9000. Conclusions: Our LD screw construct is among the lowest density constructs reported and achieves curve correction comparable to HD constructs at substantially lower cost. Copyright 2017, Copyright The Author(s) 2017.en_US
dc.description.urihttps://dx.doi.org/10.1177/2192568217735507en_US
dc.language.isoen_USen_US
dc.publisherSAGE Publications Ltden_US
dc.relation.ispartofGlobal Spine Journal
dc.subjectadolescent scoliosisen_US
dc.subjectcosten_US
dc.subjecthigh densityen_US
dc.subjectlow densityen_US
dc.titleLow-Density Pedicle Screw Constructs for Adolescent Idiopathic Scoliosis: Evaluation of Effectiveness and Costen_US
dc.typeArticleen_US
dc.identifier.doi10.1177/2192568217735507


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