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DOI: 10.1590/0004-282X-ANP-2020-0291
Correlation between angioarchitectural characteristics of brain arteriovenous malformations and clinical presentation of 183 patients
Impacto das características angioarquiteturais das malformações arteriovenosas cerebrais na apresentaçáo clínica: análise de 183 pacientes
ABSTRACT
Background: The correlation between angioarchitecture and clinical presentation of brain arteriovenous malformation (bAVM) remains a subject of debate. Objective: The main purpose of the present study was to assess the correlation between angioarchitectural characteristics of bAVM and clinical presentation. Methods: A retrospective review of all consecutive patients presenting a bAVM who underwent a cerebral angiography at Beneficencia Portuguesa Hospital in São Paulo between January 2006 and October 2016 was carried out. Patients were divided in five groups: group 1 - hemorrhage; group 2 - seizure; group 3 - headache; group 4 - progressive neurological deficits (PND); group 5 - incidental). Results: A total of 183 patients were included, with group 1 comprising 56 cases, group 2 49 cases, group 3 41 cases, group 4 28 cases, and group 5 9 cases. Regarding hemorrhage presentation, a statistical correlation was observed with female gender (P < 0.02), Spetzler-Martin 3B (P < .0015), and lesions with low flow (P < 0.04). A positive association was found between group 2 and age less than 36 years (P < 0.001), male sex (P < 0.018), presence of superficial lesions not classified as SM 3B (P < 0.002), presence of venous ectasia (p <0.03), and arterial steal phenomenon (P < 0.03). Group 4 was associated with older age (P < 0.01). Conclusions: Angioarchitectural characteristics can be correlated with some clinical presentations as well as with some clinical data, making it possible to create predictive models to differentiate clinical presentations.
RESUMO
Antecedentes: A correlação entre a angioarquitetura e a apresentação clínica da Malformação Arteriovenosa do cérebro (MAVc) permanece um assunto de debate. Objetivos: Correlacionar as características angioarquiteturais das MAVc com a apresentação clínica. Métodos: Estudou-se pacientes consecutivos atendidos no Hospital Beneficência Portuguesa-SP, entre 2006 a 2016. Após análise geral, criaram-se cinco grupos de acordo com a apresentação clínica: 1- Hemorragia; 2 - Epilepsia; 3 - Cefaléia; 4 - Déficit Neurológico Progressivo (DNP) e 5 - Incidental. Características epidemiológicas (clínica e topografia) e angioarquiteturais (Classificação de Spetzler-Martin Modificada - SMM; Fluxo intranidal; Aneurismas arteriais, intranidais e venosos; Ectasia venosa; Congestão venosa; “Roubo” arterial; Vascularização dural; Drenagem Venosa Profunda) foram analisadas. Resultados: 183 pacientes foram incluídos e analisados globalmente. Após essa etapa, foram divididos nos grupos: 1 - 56 casos (30,6%); 2 - 49 casos (26,7%); 3 - 41 casos (22,4%); 4 - 28 casos (15,3%) e 5 - 9 casos (4,9%). Principais achados foram referentes a apresentação hemorrágica, na qual observamos correlação estatística positiva com o sexo feminino (P<0,02), lesões classificadas como SMM 3B (P<0,0015) e baixo fluxo (P<0,04). Relacionado à epilepsia, encontramos significância estatística que possibilitou a correlação com pacientes com idade inferior a 36 anos (P<0,001), sexo masculino (P<0,018), lesões superficiais (P<0,002), presença de ectasia venosa (P<0,003) e “roubo” arterial (P<0,01). Pacientes com DNP se apresentam com idade superior aos demais (P<0,01). Conclusões: Após análise multivariada, foi possível separar as MAV em grupos de acordo com as características angioarquiteturais, comprovando que algumas dessas características estão fortemente relacionadas a determinada manifestação.
Keywords:
Central Nervous System Vascular Malformations - Intracranial Arteriovenous Malformations - Seizures - StrokePalavras-chave:
Malformações Vasculares do Sistema Nervoso Central - Malformações Arteriovenosas Intracranianas - Convulsões - Acidente Vascular CerebralAuthors’ contributions:
UCB: Study concept and design, image analysis and acquisition of data; BJAP: Acquisition of data; AFJ: Acquisition of data and study supervision; HT: Critical revision of the manuscript for important intellectual content; RLP: Study concept and design, image analysis, study supervision and final revision.
Publication History
Received: 07 July 2020
Accepted: 18 January 2021
Article published online:
30 January 2023
© 2021. Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)
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