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Caracterização da resposta inflamatória após implante de stent em pacientes com angina estável: Papel do Ultrassom intracoronário / Characterization of the inflammatory response following coronary stent implantation in stable angina patients: role of intravascular ultrasound
São Paulo; s.n; 2003. [100] p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: lil-408990
Responsible library: BR66.1
Localization: BR66.1; W4DB8, S234cr, FM-2
RESUMO
Para avaliar a correlação entre a resposta inflamatória (RI) pós-implante de "stent" coronário (SC) e a composição de placa, 30 pacientes com angina estável (PAE) realizaram ultrassom intracoronário (UIC) antes do SC. As placas foram classificadas em calcificadas, fibrocalcificadas (FC), fibrolipídicas (FL) ou lipídicas. As lesões angiográficas também foram analisadas. Sangue do seio coronário foi coletado antes e 15 minutos depois do SC para a dosagem dos marcadores inflamatórios (MI) interleucina-6 (IL-6), fator de necrose tumoral-a, interferon-g (IFN) e neopterina. Todos os MI se modificaram significativamente apenas para as placas FC e FL. Apenas IL-6 e IFN aumentaram para as lesões B1 e B2. Assim, UIC foi capaz de identificar placas propensas a uma RI aguda de maior grau após SC em PAE.In order to access the correlation between the inflammatory response (IR) post-coronary stenting (CS) and plaque composition, 30 stable angina patients (SAP) underwent intravascular ultrasound (IVUS) before CS. Plaques were classified as calcified, fibrocalcified (FC), fibrolipidic (FL) or lipid. Angiographic lesion types were also analyzed. Coronary sinus blood was collected before and 15 minutes after CS for the measurement of inflammatory markers (IM) interleukin-6 (IL-6), tumoral necrosis factor-a, interferon-g (IFN) and neopterin. All IM changed markedly only for FC and FL plaques. Only lesions B1 and B2 resulted changes for IL-6 and IFN. Thus, IVUS is able to identify plaques prone to a greater acute IR following CS in SAP...
Subject(s)
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Collection: International databases Database: LILACS Main subject: Stents / Inflammation Mediators / Coronary Disease Type of study: Prognostic study Limits: Adult / Female / Humans / Male Language: Portuguese Year: 2003 Document type: Thesis
Search on Google
Collection: International databases Database: LILACS Main subject: Stents / Inflammation Mediators / Coronary Disease Type of study: Prognostic study Limits: Adult / Female / Humans / Male Language: Portuguese Year: 2003 Document type: Thesis
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