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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/52037
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dc.contributor.authorC. Chotigavanichayaen_US
dc.contributor.authorK. Saisamornen_US
dc.contributor.authorT. Ariyawatkulen_US
dc.contributor.authorM. Ruangchainikomen_US
dc.contributor.authorP. Luksanapruksaen_US
dc.contributor.authorS. Wilartratsamien_US
dc.contributor.authorA. Chotivichiten_US
dc.contributor.authorS. Thanapipatsirien_US
dc.contributor.otherFaculty of Medicine, Siriraj Hospital, Mahidol Universityen_US
dc.date.accessioned2020-01-27T10:17:54Z-
dc.date.available2020-01-27T10:17:54Z-
dc.date.issued2019-01-01en_US
dc.identifier.citationJournal of the Medical Association of Thailand. Vol.102, No.10 (2019), 62-67en_US
dc.identifier.issn01252208en_US
dc.identifier.other2-s2.0-85074646233en_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/52037-
dc.description.abstract© JOURNAL OF THE MEDICAL ASSOCIATION OF THAILAND| 2019 Background: The treatment of idiopathic scoliosis has shifted to pedicle screw fixation. The present study was conducted to assess the intermediate-term effectiveness of posterior correction with low-density all-pedicle-screw constructs. Objective: To review the intermediate-term outcome of low-density posterior-only pedicle screw constructs for a 5-year minimum follow-up. Materials and Methods: The retrospective review included 30 patients who underwent posterior correction with low-density all-pedicle-screw constructs during 2004 to 2008. The radiographic measurements at pre-operation, immediate post-operation, 2-years post-operation, and 5-years post-operation were evaluated. Results: Four males and 26 females were included in the present study. The mean follow-up was 6.1 years (range: 5.0 to 9.0). The average age at operation was 14.2+2.2 years. The pre-operative Cobb angle of the major curve was 55.3+12.8°, which was significantly corrected to 15.6+7.8° immediately post-operation, and significantly increased to 17.2+8.2° and to 18.5+8.7° at 2-years post-operation and 5-years post-operation, respectively. The major curve correction loss rate was 25.2%. In the normal thoracic kyphosis group (range: 10° to 40°), the pre-operative thoracic kyphosis angle was 28.0+12.3°, which was non-significantly decreased to 24.1+9.1°, 25.8+8.1°, and 25.8+8.5° at immediately post-operation, at 2-years post-operation, and 5-years postoperation, respectively. Pre-operative lumbar lordosis non-significantly decreased from 42.7+13.0° to 39.5+10.1°, 40.5+9.1° and 41.2+9.4° at immediately post-operation, 2-years post-operation and 5-years post-operation, respectively. Screw density was 0.9 screw per level or 51%. Conclusion: The present study reviewed the 5-year post-operative outcome of posterior correction with low-density all-pedicle-screw constructs. The Cobb angle in coronal alignment correction was improved, but was significantly lost at 2- and 5-years postoperation. Thoracic kyphosis and lumbar lordosis were improved but did not significantly change at 2- and 5-years post-operation.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85074646233&origin=inwarden_US
dc.subjectMedicineen_US
dc.titleOperative Results of Adolescent Idiopathic Scoliosis Correction using Low-Density Instrumentation with 5-Year Follow-upen_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85074646233&origin=inwarden_US
Appears in Collections:Scopus 2019

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