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Vasculite no idoso

Authors: Alexandre Wagner Silva de Souza;

Vasculite no idoso

Abstract

As vasculites fazem parte de um grupo heterogêneo de doenças cujo sítio primário do processo inflamatório é a parede do vaso sanguíneo. Além do infiltrado inflamatório, observam-se também necrose e, dependendo do tipo de vaso sanguíneo afetado, pode haver rotura da parede, quando capilares e vênulas são afetados, ou alterações na anatomia de paredes arteriais que incluem rotura de túnica elástica interna e/ou externa, deposição de fibras colágenas, neovascularização e hiperplasia da camada íntima. Tais alterações histopatológicas levam à estenose, oclusão, dilatação ou formação de aneurismas em artérias afetadas. Disfunção de órgãos e sistemas afetados pelo processo vasculítico leva às manifestações clínicas e alterações laboratoriais apresentadas por pacientes com vasculites. Vasculites podem ser classificadas de acordo com o tamanho do vaso predominantemente afetado (vasculites de vasos de grande, de médio e de pequeno calibre), a extensão da doença (vasculites sistêmicas ou localizadas), agente etiológico (primárias ou secundárias) ou pelo mecanismo fisiopatológico (por deposição de imunocomplexos ou granulomatosas). A Tabela 1 descreve as principais vasculites sistêmicas de acordo com a Conferência de Chapel Hill, de 2012.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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