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Video-Assisted Thoracoscopic Surgery for Correction of Adolescent Idiopatic Scoliosis: Comparison of 4.5 mm versus 5.5 mm Rod Constructs
PURPOSE: The purpose of this study is to report the comparative results of thoracoscopic correction achieved via cantilever technique using a 4.5 mm thin rod and the poly-axial reduction screw technique using a 5.5 mm thick rod in Lenke type 1 adolescent idiopathic scoliosis (AIS). MATERIALS AND MET...
Autores principales: | , , , , , , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
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Yonsei University College of Medicine
2010
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2908885/ https://www.ncbi.nlm.nih.gov/pubmed/20635452 http://dx.doi.org/10.3349/ymj.2010.51.5.753 |
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author | Kim, Hak Sun Park, Jin Oh Nanda, Ankur Kho, Phillip Anthony Kim, Jin Young Lee, Hwan Mo Moon, Seong Hwan Ha, Jung Won Ahn, Eun Kyoung Shin, Dong Eun Kim, Sung Jun Moon, Eun Su |
author_facet | Kim, Hak Sun Park, Jin Oh Nanda, Ankur Kho, Phillip Anthony Kim, Jin Young Lee, Hwan Mo Moon, Seong Hwan Ha, Jung Won Ahn, Eun Kyoung Shin, Dong Eun Kim, Sung Jun Moon, Eun Su |
author_sort | Kim, Hak Sun |
collection | PubMed |
description | PURPOSE: The purpose of this study is to report the comparative results of thoracoscopic correction achieved via cantilever technique using a 4.5 mm thin rod and the poly-axial reduction screw technique using a 5.5 mm thick rod in Lenke type 1 adolescent idiopathic scoliosis (AIS). MATERIALS AND METHODS: Radiographic data, Scoliosis Research Society (SRS) patient-based outcome questionnaires, and operative records were reviewed for forty-nine patients undergoing surgical treatment of scoliosis. The study group was divided into a 4.5 mm thin rod group (n = 24) and a 5.5 mm thick rod group (n = 25). The radiographic parameters that were analyzed included coronal curve correction, the most caudal instrumented vertebra tilt angle correction, coronal balance, and thoracic kyphosis. RESULTS: The major curve was corrected from 49.8° and 47.2° pre-operatively to 24.5° and 18.8° at the final follow-up for the thin and thick rod groups, respectively (50.8% vs. 60.2% correction). There were no significant differences between the two groups in terms of kyphosis, coronal balance, or tilt angle at the time of the final follow-up. The mean number of levels fused was 6.2 in the thin rod group, compared with 5.9 levels in the thick rod group. There were no major intraoperative complications in either group. CONCLUSION: Significant correction loss was observed in the thin rod system at the final follow-up though both groups had comparable correction immediately post-operative. Therefore, the thick rod with poly axial screw system helps to maintain post-operative correction. |
format | Text |
id | pubmed-2908885 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2010 |
publisher | Yonsei University College of Medicine |
record_format | MEDLINE/PubMed |
spelling | pubmed-29088852010-09-01 Video-Assisted Thoracoscopic Surgery for Correction of Adolescent Idiopatic Scoliosis: Comparison of 4.5 mm versus 5.5 mm Rod Constructs Kim, Hak Sun Park, Jin Oh Nanda, Ankur Kho, Phillip Anthony Kim, Jin Young Lee, Hwan Mo Moon, Seong Hwan Ha, Jung Won Ahn, Eun Kyoung Shin, Dong Eun Kim, Sung Jun Moon, Eun Su Yonsei Med J Original Article PURPOSE: The purpose of this study is to report the comparative results of thoracoscopic correction achieved via cantilever technique using a 4.5 mm thin rod and the poly-axial reduction screw technique using a 5.5 mm thick rod in Lenke type 1 adolescent idiopathic scoliosis (AIS). MATERIALS AND METHODS: Radiographic data, Scoliosis Research Society (SRS) patient-based outcome questionnaires, and operative records were reviewed for forty-nine patients undergoing surgical treatment of scoliosis. The study group was divided into a 4.5 mm thin rod group (n = 24) and a 5.5 mm thick rod group (n = 25). The radiographic parameters that were analyzed included coronal curve correction, the most caudal instrumented vertebra tilt angle correction, coronal balance, and thoracic kyphosis. RESULTS: The major curve was corrected from 49.8° and 47.2° pre-operatively to 24.5° and 18.8° at the final follow-up for the thin and thick rod groups, respectively (50.8% vs. 60.2% correction). There were no significant differences between the two groups in terms of kyphosis, coronal balance, or tilt angle at the time of the final follow-up. The mean number of levels fused was 6.2 in the thin rod group, compared with 5.9 levels in the thick rod group. There were no major intraoperative complications in either group. CONCLUSION: Significant correction loss was observed in the thin rod system at the final follow-up though both groups had comparable correction immediately post-operative. Therefore, the thick rod with poly axial screw system helps to maintain post-operative correction. Yonsei University College of Medicine 2010-09-01 2010-07-15 /pmc/articles/PMC2908885/ /pubmed/20635452 http://dx.doi.org/10.3349/ymj.2010.51.5.753 Text en © Copyright: Yonsei University College of Medicine 2010 http://creativecommons.org/licenses/by-nc/3.0 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Article Kim, Hak Sun Park, Jin Oh Nanda, Ankur Kho, Phillip Anthony Kim, Jin Young Lee, Hwan Mo Moon, Seong Hwan Ha, Jung Won Ahn, Eun Kyoung Shin, Dong Eun Kim, Sung Jun Moon, Eun Su Video-Assisted Thoracoscopic Surgery for Correction of Adolescent Idiopatic Scoliosis: Comparison of 4.5 mm versus 5.5 mm Rod Constructs |
title | Video-Assisted Thoracoscopic Surgery for Correction of Adolescent Idiopatic Scoliosis: Comparison of 4.5 mm versus 5.5 mm Rod Constructs |
title_full | Video-Assisted Thoracoscopic Surgery for Correction of Adolescent Idiopatic Scoliosis: Comparison of 4.5 mm versus 5.5 mm Rod Constructs |
title_fullStr | Video-Assisted Thoracoscopic Surgery for Correction of Adolescent Idiopatic Scoliosis: Comparison of 4.5 mm versus 5.5 mm Rod Constructs |
title_full_unstemmed | Video-Assisted Thoracoscopic Surgery for Correction of Adolescent Idiopatic Scoliosis: Comparison of 4.5 mm versus 5.5 mm Rod Constructs |
title_short | Video-Assisted Thoracoscopic Surgery for Correction of Adolescent Idiopatic Scoliosis: Comparison of 4.5 mm versus 5.5 mm Rod Constructs |
title_sort | video-assisted thoracoscopic surgery for correction of adolescent idiopatic scoliosis: comparison of 4.5 mm versus 5.5 mm rod constructs |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2908885/ https://www.ncbi.nlm.nih.gov/pubmed/20635452 http://dx.doi.org/10.3349/ymj.2010.51.5.753 |
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