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Article: Surgical treatment for scoliosis extending to main thoracic spine by keyvertebral-screws technique (KVST)

TitleSurgical treatment for scoliosis extending to main thoracic spine by keyvertebral-screws technique (KVST)
Authors
KeywordsAdolescent Idiopathic Scoliosis
Coronal Collection
Fulcrum-Bending Flexibility
Pedicle Screw Instrumentation
Radiograph
Segmental Instrumentation
Spinal Deformity
Spinal Fusion
Issue Date2007
Publisher第二軍醫大學. The Journal's web site is located at http://jydx.chinajournal.net.cn/
Citation
Journal Of Medical Colleges Of Pla, 2007, v. 22 n. 2, p. 115-120 How to Cite?
AbstractObjective: To introduce a key-vertebral-screws technique (KVST) in the surgical treatment of scoliosis extending to main thoracic levels, and to find the role of fulcrum bending in predicting the result of surgical treatment for scoliosis by this technique. Methods: Seventeen consecutive patients with scoliosis extending to main thoracic spine, who underwent pure posterior fusion without anterior or posterior release by KVST between January 2004 and July 2005 were evaluated for fulcrum bending flexibility, surgical correction rate, fulcrum bending correction index (FBCI) in main thoracic curves. Universal Spine System (USS) instrumentation was used in 15 cases, Monarch in another 2 cases. The severity of the curves was measured by Cobb's method using RadWork 6.0 software. Preoperative standing AP radiographs, preoperative fulcrum bending anterioposterior (AP) radiographs, postoperative standing AP radiographs, and most recent follow-up standing AP radiographs for spine were measured and recorded. All the data were analyzed with two-sample paired t-test by Origin 7.0 software. Results: Infection and neurological complications were not noted. No major complications were found. Just one case had some axial back pain, which got a full recovery from physiotherapy for 2 weeks. In the X-ray, there was an average correction of 71.5% of the fused main thoracic curves, which had no significant lose of correction in final follow-up. For the whole fused main thoracic curves, the fulcrum bending flexibility were lower to operation correction rate (P = 0.013). The average FBCI was 123%. From the data, the more rigid curves (especially fulcrum bending flexibility <50%), the more correction rate operation could get, compared with fulcrum bending flexibility. Conclusion: (1) KVST is a good method in the surgical treatment of thoracic scoliosis, which can get satisfying result with lower medical cost. (2) Fulcrum bending flexibility is lower than operative correction rate by KVST in main thoracic curves (P<0.05). In the more rigid curves assessed by fulcrum-bending radiograph, the operative corrective could be gained, especially in the curves which FBCI is lower than 50%. © 2007 The Editorial Board of Journal of Medical Colleges of PLA.
Persistent Identifierhttp://hdl.handle.net/10722/170157
ISSN
2015 SCImago Journal Rankings: 0.114
References

 

DC FieldValueLanguage
dc.contributor.authorLi, Men_US
dc.contributor.authorZhu, XDen_US
dc.contributor.authorCheung, KMen_US
dc.contributor.authorLuk, KDen_US
dc.date.accessioned2012-10-30T06:05:41Z-
dc.date.available2012-10-30T06:05:41Z-
dc.date.issued2007en_US
dc.identifier.citationJournal Of Medical Colleges Of Pla, 2007, v. 22 n. 2, p. 115-120en_US
dc.identifier.issn1000-1948en_US
dc.identifier.urihttp://hdl.handle.net/10722/170157-
dc.description.abstractObjective: To introduce a key-vertebral-screws technique (KVST) in the surgical treatment of scoliosis extending to main thoracic levels, and to find the role of fulcrum bending in predicting the result of surgical treatment for scoliosis by this technique. Methods: Seventeen consecutive patients with scoliosis extending to main thoracic spine, who underwent pure posterior fusion without anterior or posterior release by KVST between January 2004 and July 2005 were evaluated for fulcrum bending flexibility, surgical correction rate, fulcrum bending correction index (FBCI) in main thoracic curves. Universal Spine System (USS) instrumentation was used in 15 cases, Monarch in another 2 cases. The severity of the curves was measured by Cobb's method using RadWork 6.0 software. Preoperative standing AP radiographs, preoperative fulcrum bending anterioposterior (AP) radiographs, postoperative standing AP radiographs, and most recent follow-up standing AP radiographs for spine were measured and recorded. All the data were analyzed with two-sample paired t-test by Origin 7.0 software. Results: Infection and neurological complications were not noted. No major complications were found. Just one case had some axial back pain, which got a full recovery from physiotherapy for 2 weeks. In the X-ray, there was an average correction of 71.5% of the fused main thoracic curves, which had no significant lose of correction in final follow-up. For the whole fused main thoracic curves, the fulcrum bending flexibility were lower to operation correction rate (P = 0.013). The average FBCI was 123%. From the data, the more rigid curves (especially fulcrum bending flexibility <50%), the more correction rate operation could get, compared with fulcrum bending flexibility. Conclusion: (1) KVST is a good method in the surgical treatment of thoracic scoliosis, which can get satisfying result with lower medical cost. (2) Fulcrum bending flexibility is lower than operative correction rate by KVST in main thoracic curves (P<0.05). In the more rigid curves assessed by fulcrum-bending radiograph, the operative corrective could be gained, especially in the curves which FBCI is lower than 50%. © 2007 The Editorial Board of Journal of Medical Colleges of PLA.en_US
dc.languageengen_US
dc.publisher第二軍醫大學. The Journal's web site is located at http://jydx.chinajournal.net.cn/en_US
dc.relation.ispartofJournal of Medical Colleges of PLAen_US
dc.subjectAdolescent Idiopathic Scoliosisen_US
dc.subjectCoronal Collectionen_US
dc.subjectFulcrum-Bending Flexibilityen_US
dc.subjectPedicle Screw Instrumentationen_US
dc.subjectRadiographen_US
dc.subjectSegmental Instrumentationen_US
dc.subjectSpinal Deformityen_US
dc.subjectSpinal Fusionen_US
dc.titleSurgical treatment for scoliosis extending to main thoracic spine by keyvertebral-screws technique (KVST)en_US
dc.typeArticleen_US
dc.identifier.emailCheung, KM:cheungmc@hku.hken_US
dc.identifier.emailLuk, KD:hcm21000@hku.hken_US
dc.identifier.authorityCheung, KM=rp00387en_US
dc.identifier.authorityLuk, KD=rp00333en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S1000-1948(07)60025-2en_US
dc.identifier.scopuseid_2-s2.0-77950203802en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77950203802&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume22en_US
dc.identifier.issue2en_US
dc.identifier.spage115en_US
dc.identifier.epage120en_US
dc.publisher.placeChinaen_US
dc.identifier.scopusauthoridLi, M=36067789100en_US
dc.identifier.scopusauthoridZhu, XD=7406183656en_US
dc.identifier.scopusauthoridCheung, KM=7402406754en_US
dc.identifier.scopusauthoridLuk, KD=7201921573en_US

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