Alternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized Study

Background Data: The use of all pedicle screws technique, instead of hybrid constructs,for the treatment of AIS became more popular over the past several years. Studies to compare both techniques were usually retrospectively performed. Purpose: To compare between an alternate all pedicle screws tec...

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Autores principales:	Ahmad Fouad, Wael Koptan, Yasser ElMiligui, Mohammad El-Sharkawi
Formato:	article
Lenguaje:	EN
Publicado:	Egyptian Spine Association 2012
Materias:	scoliosis idiopathic all screws hybrid Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/4c67633784924ffdbf8d6fb8cc15355d
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spelling	oai:doaj.org-article:4c67633784924ffdbf8d6fb8cc15355d2021-12-02T04:21:52ZAlternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized StudyDOI:10.21608/ESJ.2012.37902314-89502314-8969https://doaj.org/article/4c67633784924ffdbf8d6fb8cc15355d2012-07-01T00:00:00Zhttp://esj.journals.ekb.eg/article_3790.htmlhttps://doaj.org/toc/2314-8950https://doaj.org/toc/2314-8969Background Data: The use of all pedicle screws technique, instead of hybrid constructs,for the treatment of AIS became more popular over the past several years. Studies to compare both techniques were usually retrospectively performed. Purpose: To compare between an alternate all pedicle screws technique and hybrid constructs in correction of AIS in a prospective trial. Study Design: Prospective, non-randomized. Patients and Methods: The study included 50 patients with adolescent idiopathic scoliosis divided into 2 groups; 27 patients had surgical correction using alternate pedicle screws technique (Group 1) and 23 patients had surgical correction using hybrid constructs (Group 2). The age at surgery had an average of 15y + 7m in Group 1 and 14y + 8m in Group 2. The dorsal curves in Group 1 ranged from 40º to 62º with a mean of 46.5º and in group 2 ranged from 32º to 79º with a mean of 54.3º. The lumbar curves ranged from 14º to 73º with a mean of 41.7º in Group 1 and in Group 2 ranged from 31º to 77º with a mean of 46.8º. The deformity was measured by Cobb’s method preoperatively, postoperatively and at final follow up with measurement of postoperative correction %. Operative time and blood loss were also measured and recorded. All patients had posterior correction, instrumentation and fusion using either an all pedicle screws technique, in an alternating manner, (Group 1); or a hybrid construct including pedicle screws, hooks and sublaminar wires (Group 2). Results: The dorsal curves were corrected in group 1 and group 2 to a mean of 18.2º and 20.9º respectively. The lumbar curves were corrected in group 1 and group 2 to a mean of 14.6º and 17.7º respectively. Patients were followed up for a minimum of 2 years with an average loss of correction of 2.2° and 2.0º respectively. Overall, there was no major postoperative neurological deficit and no metal failure in either group. Conclusion: Correctional power of alternating all screws technique for AIS in the coronal plane was slightly but insignificantly better than hybrid constructs. However, the correction of vertebral rotation was significantly better leading to a lesser need for thoracoplasty with its consequent hazards. (2012ESJ010) Ahmad Fouad Wael KoptanYasser ElMiligui Mohammad El-SharkawiEgyptian Spine Associationarticlescoliosisidiopathicall screwshybridNeurology. Diseases of the nervous systemRC346-429ENEgyptian Spine Journal, Vol 3, Iss 1, Pp 28-34 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	scoliosis idiopathic all screws hybrid Neurology. Diseases of the nervous system RC346-429
spellingShingle	scoliosis idiopathic all screws hybrid Neurology. Diseases of the nervous system RC346-429 Ahmad Fouad Wael Koptan Yasser ElMiligui Mohammad El-Sharkawi Alternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized Study
description	Background Data: The use of all pedicle screws technique, instead of hybrid constructs,for the treatment of AIS became more popular over the past several years. Studies to compare both techniques were usually retrospectively performed. Purpose: To compare between an alternate all pedicle screws technique and hybrid constructs in correction of AIS in a prospective trial. Study Design: Prospective, non-randomized. Patients and Methods: The study included 50 patients with adolescent idiopathic scoliosis divided into 2 groups; 27 patients had surgical correction using alternate pedicle screws technique (Group 1) and 23 patients had surgical correction using hybrid constructs (Group 2). The age at surgery had an average of 15y + 7m in Group 1 and 14y + 8m in Group 2. The dorsal curves in Group 1 ranged from 40º to 62º with a mean of 46.5º and in group 2 ranged from 32º to 79º with a mean of 54.3º. The lumbar curves ranged from 14º to 73º with a mean of 41.7º in Group 1 and in Group 2 ranged from 31º to 77º with a mean of 46.8º. The deformity was measured by Cobb’s method preoperatively, postoperatively and at final follow up with measurement of postoperative correction %. Operative time and blood loss were also measured and recorded. All patients had posterior correction, instrumentation and fusion using either an all pedicle screws technique, in an alternating manner, (Group 1); or a hybrid construct including pedicle screws, hooks and sublaminar wires (Group 2). Results: The dorsal curves were corrected in group 1 and group 2 to a mean of 18.2º and 20.9º respectively. The lumbar curves were corrected in group 1 and group 2 to a mean of 14.6º and 17.7º respectively. Patients were followed up for a minimum of 2 years with an average loss of correction of 2.2° and 2.0º respectively. Overall, there was no major postoperative neurological deficit and no metal failure in either group. Conclusion: Correctional power of alternating all screws technique for AIS in the coronal plane was slightly but insignificantly better than hybrid constructs. However, the correction of vertebral rotation was significantly better leading to a lesser need for thoracoplasty with its consequent hazards. (2012ESJ010)
format	article
author	Ahmad Fouad Wael Koptan Yasser ElMiligui Mohammad El-Sharkawi
author_facet	Ahmad Fouad Wael Koptan Yasser ElMiligui Mohammad El-Sharkawi
author_sort	Ahmad Fouad
title	Alternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized Study
title_short	Alternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized Study
title_full	Alternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized Study
title_fullStr	Alternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized Study
title_full_unstemmed	Alternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized Study
title_sort	alternate pedicle screws technique versus hybrid construct for the correction of adolescent idiopathic scoliosis: a prospect ive randomized study
publisher	Egyptian Spine Association
publishDate	2012
url	https://doaj.org/article/4c67633784924ffdbf8d6fb8cc15355d
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Alternate Pedicle Screws Technique versus Hybrid Construct for the Correction of Adolescent Idiopathic Scoliosis: A Prospect ive Randomized Study

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