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Change in Effective Leg Length after Angular Deformity Correction by Hemiepiphyseal Stapling
BACKGROUND: The hemiepiphyseal stapling has both positive and negative effects on effective leg length. The purpose of this study was to analyze change in effective leg length after angular correction by hemiepiphyseal stapling, and to validate in clinical cases. METHODS: Mathematical analysis of a...
Autores principales: | , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
The Korean Orthopaedic Association
2010
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2867203/ https://www.ncbi.nlm.nih.gov/pubmed/20514265 http://dx.doi.org/10.4055/cios.2010.2.2.85 |
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author | Jung, Ho-Joong Cho, Tae-Joon Choi, In Ho Chung, Chin Youb Yoo, Won Joon Park, Moon Seok Bae, Jung Yun |
author_facet | Jung, Ho-Joong Cho, Tae-Joon Choi, In Ho Chung, Chin Youb Yoo, Won Joon Park, Moon Seok Bae, Jung Yun |
author_sort | Jung, Ho-Joong |
collection | PubMed |
description | BACKGROUND: The hemiepiphyseal stapling has both positive and negative effects on effective leg length. The purpose of this study was to analyze change in effective leg length after angular correction by hemiepiphyseal stapling, and to validate in clinical cases. METHODS: Mathematical analysis of a hemiepiphyseal stapling model was conducted. The induced formula was validated in 6 cases fulfilling the assumptions of the model. Anatomical parameters involved in this formula were measured in additional 21 cases undergoing hemiepiphyseal stapling or hemiepiphysiodesis. RESULTS: Effective leg length increased or decreased according to three parameters in this model: 1) limb length distal to the operated physis (L), 2) width of the operated physis (d), and 3) the amount of angular deformity to be corrected (θ). Actual change in effective leg length of 6 cases similar to this model coincided with the predicted change at least in its direction. L/d ratio was 4.82 ± 0.51. CONCLUSIONS: Considering the narrow range of the L/d ratio, hemiepiphyseal stapling is likely to decrease effective leg length if the amount of angular correction is less than 10°, whereas to increase it if the amount of angular correction is larger than 16°. This should be taken into consideration when selecting the surgical method for angular deformity correction in skeletally immature patients. |
format | Text |
id | pubmed-2867203 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2010 |
publisher | The Korean Orthopaedic Association |
record_format | MEDLINE/PubMed |
spelling | pubmed-28672032010-06-01 Change in Effective Leg Length after Angular Deformity Correction by Hemiepiphyseal Stapling Jung, Ho-Joong Cho, Tae-Joon Choi, In Ho Chung, Chin Youb Yoo, Won Joon Park, Moon Seok Bae, Jung Yun Clin Orthop Surg Original Article BACKGROUND: The hemiepiphyseal stapling has both positive and negative effects on effective leg length. The purpose of this study was to analyze change in effective leg length after angular correction by hemiepiphyseal stapling, and to validate in clinical cases. METHODS: Mathematical analysis of a hemiepiphyseal stapling model was conducted. The induced formula was validated in 6 cases fulfilling the assumptions of the model. Anatomical parameters involved in this formula were measured in additional 21 cases undergoing hemiepiphyseal stapling or hemiepiphysiodesis. RESULTS: Effective leg length increased or decreased according to three parameters in this model: 1) limb length distal to the operated physis (L), 2) width of the operated physis (d), and 3) the amount of angular deformity to be corrected (θ). Actual change in effective leg length of 6 cases similar to this model coincided with the predicted change at least in its direction. L/d ratio was 4.82 ± 0.51. CONCLUSIONS: Considering the narrow range of the L/d ratio, hemiepiphyseal stapling is likely to decrease effective leg length if the amount of angular correction is less than 10°, whereas to increase it if the amount of angular correction is larger than 16°. This should be taken into consideration when selecting the surgical method for angular deformity correction in skeletally immature patients. The Korean Orthopaedic Association 2010-06 2010-05-04 /pmc/articles/PMC2867203/ /pubmed/20514265 http://dx.doi.org/10.4055/cios.2010.2.2.85 Text en Copyright © 2010 by The Korean Orthopaedic Association 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 non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Article Jung, Ho-Joong Cho, Tae-Joon Choi, In Ho Chung, Chin Youb Yoo, Won Joon Park, Moon Seok Bae, Jung Yun Change in Effective Leg Length after Angular Deformity Correction by Hemiepiphyseal Stapling |
title | Change in Effective Leg Length after Angular Deformity Correction by Hemiepiphyseal Stapling |
title_full | Change in Effective Leg Length after Angular Deformity Correction by Hemiepiphyseal Stapling |
title_fullStr | Change in Effective Leg Length after Angular Deformity Correction by Hemiepiphyseal Stapling |
title_full_unstemmed | Change in Effective Leg Length after Angular Deformity Correction by Hemiepiphyseal Stapling |
title_short | Change in Effective Leg Length after Angular Deformity Correction by Hemiepiphyseal Stapling |
title_sort | change in effective leg length after angular deformity correction by hemiepiphyseal stapling |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2867203/ https://www.ncbi.nlm.nih.gov/pubmed/20514265 http://dx.doi.org/10.4055/cios.2010.2.2.85 |
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