Basilar invagination associated with chiari malformation type I: A literature review

Basilar invagination (BI) and Chiari malformation type I (CM-I) are very important anomalies that introduce instability and compression in the occipitocervical transition region and have complex clinical characteristics. These anomalies vary according to the affected structures. The present study re...

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Detalles Bibliográficos
Autores: Brito, José Nazareno Pearce de Oliveira, Santos, Bruna Afonso dos, Nascimento, Isys Fialho, Martins, Leonardo Augusto, Tavares, Cléciton Braga
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:Brasil
Institución:Universidade de São Paulo (USP)
Repositorio:Clinics
Idioma:inglés
OAI Identifier:oai:revistas.usp.br:article/158002
Acceso en línea:https://www.revistas.usp.br/clinics/article/view/158002
Access Level:acceso abierto
Palabra clave:Craniovertebral Junction
Basilar Invagination
Chiari Malformation
Surgical Decompression
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spelling Basilar invagination associated with chiari malformation type I: A literature reviewCraniovertebral JunctionBasilar InvaginationChiari MalformationSurgical DecompressionBasilar invagination (BI) and Chiari malformation type I (CM-I) are very important anomalies that introduce instability and compression in the occipitocervical transition region and have complex clinical characteristics. These anomalies vary according to the affected structures. The present study revises current knowledge regarding the anatomy, anatomo-physiology, clinical manifestations, and radiological findings of these entities and the associated surgical treatment approaches. A bibliographic survey was performed through a search in the Medline, PubMed, SciELO, Science and LILACS databases. When associated, these craniovertebral malformations result in neurological deficits due to neural parenchyma compression; however, the presence of microtraumas due to repetitive lesions caused by the bulb and cervical marrow instability has been highlighted as a determinant dysfunction. Surgical treatment is controversial and has many technical variations. Surgery is also challenging due to the complex anatomical characteristics and biomechanics of this region. Nevertheless, advances have been achieved in our understanding of related mechanisms, and compression and atlantoaxial instability are considered key elements when selecting the surgical approach.Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo2019-05-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/xmlhttps://www.revistas.usp.br/clinics/article/view/15800210.6061/clinics/2019/e653Clinics; Vol. 74 (2019); e653Clinics; v. 74 (2019); e653Clinics; Vol. 74 (2019); e6531980-53221807-5932reponame:Clinicsinstname:Universidade de São Paulo (USP)instacron:USPenghttps://www.revistas.usp.br/clinics/article/view/158002/153252https://www.revistas.usp.br/clinics/article/view/158002/153570Copyright (c) 2019 Clinicsinfo:eu-repo/semantics/openAccessBrito, José Nazareno Pearce de OliveiraSantos, Bruna Afonso dosNascimento, Isys FialhoMartins, Leonardo AugustoTavares, Cléciton Braga2019-08-12T16:33:05Zoai:revistas.usp.br:article/158002Revistahttps://www.revistas.usp.br/clinicsPUBhttps://www.revistas.usp.br/clinics/oai||clinics@hc.fm.usp.br1980-53221807-5932opendoar:2019-08-12T16:33:05Clinics - Universidade de São Paulo (USP)false
dc.title.none.fl_str_mv Basilar invagination associated with chiari malformation type I: A literature review
title Basilar invagination associated with chiari malformation type I: A literature review
spellingShingle Basilar invagination associated with chiari malformation type I: A literature review
Brito, José Nazareno Pearce de Oliveira
Craniovertebral Junction
Basilar Invagination
Chiari Malformation
Surgical Decompression
title_short Basilar invagination associated with chiari malformation type I: A literature review
title_full Basilar invagination associated with chiari malformation type I: A literature review
title_fullStr Basilar invagination associated with chiari malformation type I: A literature review
title_full_unstemmed Basilar invagination associated with chiari malformation type I: A literature review
title_sort Basilar invagination associated with chiari malformation type I: A literature review
dc.creator.none.fl_str_mv Brito, José Nazareno Pearce de Oliveira
Santos, Bruna Afonso dos
Nascimento, Isys Fialho
Martins, Leonardo Augusto
Tavares, Cléciton Braga
author Brito, José Nazareno Pearce de Oliveira
author_facet Brito, José Nazareno Pearce de Oliveira
Santos, Bruna Afonso dos
Nascimento, Isys Fialho
Martins, Leonardo Augusto
Tavares, Cléciton Braga
author_role author
author2 Santos, Bruna Afonso dos
Nascimento, Isys Fialho
Martins, Leonardo Augusto
Tavares, Cléciton Braga
author2_role author
author
author
author
dc.subject.por.fl_str_mv Craniovertebral Junction
Basilar Invagination
Chiari Malformation
Surgical Decompression
topic Craniovertebral Junction
Basilar Invagination
Chiari Malformation
Surgical Decompression
description Basilar invagination (BI) and Chiari malformation type I (CM-I) are very important anomalies that introduce instability and compression in the occipitocervical transition region and have complex clinical characteristics. These anomalies vary according to the affected structures. The present study revises current knowledge regarding the anatomy, anatomo-physiology, clinical manifestations, and radiological findings of these entities and the associated surgical treatment approaches. A bibliographic survey was performed through a search in the Medline, PubMed, SciELO, Science and LILACS databases. When associated, these craniovertebral malformations result in neurological deficits due to neural parenchyma compression; however, the presence of microtraumas due to repetitive lesions caused by the bulb and cervical marrow instability has been highlighted as a determinant dysfunction. Surgical treatment is controversial and has many technical variations. Surgery is also challenging due to the complex anatomical characteristics and biomechanics of this region. Nevertheless, advances have been achieved in our understanding of related mechanisms, and compression and atlantoaxial instability are considered key elements when selecting the surgical approach.
publishDate 2019
dc.date.none.fl_str_mv 2019-05-15
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://www.revistas.usp.br/clinics/article/view/158002
10.6061/clinics/2019/e653
url https://www.revistas.usp.br/clinics/article/view/158002
identifier_str_mv 10.6061/clinics/2019/e653
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://www.revistas.usp.br/clinics/article/view/158002/153252
https://www.revistas.usp.br/clinics/article/view/158002/153570
dc.rights.driver.fl_str_mv Copyright (c) 2019 Clinics
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2019 Clinics
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/xml
dc.publisher.none.fl_str_mv Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo
publisher.none.fl_str_mv Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo
dc.source.none.fl_str_mv Clinics; Vol. 74 (2019); e653
Clinics; v. 74 (2019); e653
Clinics; Vol. 74 (2019); e653
1980-5322
1807-5932
reponame:Clinics
instname:Universidade de São Paulo (USP)
instacron:USP
instname_str Universidade de São Paulo (USP)
instacron_str USP
institution USP
reponame_str Clinics
collection Clinics
repository.name.fl_str_mv Clinics - Universidade de São Paulo (USP)
repository.mail.fl_str_mv ||clinics@hc.fm.usp.br
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