Jornal Vascular Brasileiro
https://www.jvascbras.org/article/doi/10.1590/1677-5449.0022
Jornal Vascular Brasileiro
Original Article

Hidrocortisona reduz as concentrações séricas dos biomarcadores inflamatórios séricos em pacientes submetidos a endarterectomia de carótida

Hydrocortisone reduces serum concentrations of inflammatory biomarkers in patients subjected to carotid endarterectomy

Sthefano Atique Gabriel; Leila Antonangelo; Vera Luiza Capelozzi; Camila Baumann Beteli; Otacílio de Camargo Júnior; José Luis Braga de Aquino; Roberto Augusto Caffaro

http://dx.doi.org/10.1590/1677-5449.0022 J Vasc Bras, vol.14, n3, p.231-240, 2015
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Resumo

ResumoContextoA hidrocortisona pode reduzir a concentração dos biomarcadores inflamatórios séricos e teciduais.ObjetivoAnalisar a atividade inflamatória da proteína C-reativa ultrassensível (PCR-US), do fator de necrose tumoral (FNT)-alfa e do fator de crescimento do endotélio vascular (FCEV) séricos e teciduais, mediante administração intraoperatória de hidrocortisona, após endarterectomia de artéria carótida (EAC).MétodoVinte e dois pacientes foram divididos em Grupo Controle (5 assintomáticos e 6 sintomáticos) – não foi administrada hidrocortisona – e Grupo 1 (4 assintomáticos e 7 sintomáticos) – foram administrados 500 mg intravenoso de hidrocortisona. O PCR-US, o FNT-alfa e o FCEV séricos foram dosados no pré-operatório e em 1 hora, 6 horas e 24 horas após a EAC. Na placa carotídea, mensuramos os níveis de FNT-alfa e FCEV.ResultadosO grupo 1 exibiu menor concentração sérica de FNT-alfa em 1 hora (p=0,031), 6 horas (p=0,015) e 24 horas (p=0,017) após a EAC, e menor concentração de FCEV em 1 hora (p=0,006) e 6 horas (p=0,005) após a EAC, em relação ao grupo controle. Os pacientes sintomáticos do grupo 1 exibiram menor concentração de FNT-alfa em 1 hora e 6 horas após a EAC, e menor concentração de FCEV em 1 hora após a EAC, em relação ao grupo controle. Não houve diferença estatística entre as concentrações teciduais de FNT-alfa e FCEV entre o grupo controle e o grupo 1.ConclusãoA hidrocortisona reduz as concentrações séricas pós-operatórias de FNT-alfa e FCEV, em especial nos sintomáticos; porém, não reduz os níveis teciduais destes biomarcadores.

Palavras-chave

hidrocortisona, inflamação, estenose das carótidas

Abstract

AbstractBackgroundHydrocortisone may reduce serum and tissue concentrations of inflammatory biomarkers.ObjectiveTo analyze the inflammatory activity of serum and tissue high-sensitivity C-reactive protein (hsCRP), tumor necrosis factor (TNF)-α and vascular endothelial growth factor (VEGF) after intraoperative administration of hydrocortisone, after carotid endarterectomy (CEA).MethodTwenty-two patients were allocated to a Control Group (5 asymptomatic and 6 symptomatic patients) and were not administered hydrocortisone or to Group 1 (4 asymptomatic and 7 symptomatic patients) and were administered 500 mg intravenous hydrocortisone. Serum levels of hsCRP, TNF-α and VEGF were tested for the preoperative period and at 1 hour, 6 hours and 24 hours after CEA. Levels of TNF-α and VEGF were also measured in carotid plaques.ResultsGroup 1 exhibited lower concentrations of serum TNF-α at 1 hour (p=0.031), 6 hours (p=0.015) and 24 hours (p=0.017) after CEA and lower concentrations of serum VEGF at 1 hour (p=0.006) and 6 hours (p=0.005) after CEA, relative to controls. Symptomatic patients in group 1 exhibited lower concentrations than controls for serum TNF-α at 1 hour and 6 hours after CEA and lower concentrations than controls for serum VEGF at 1 hour after CEA. There were no statistical differences in tissue concentrations of TNF-α or VEGF between the control group and group 1.ConclusionHydrocortisone reduces postoperative concentrations of serum TNF-α and VEGF, especially in symptomatic patients; but does not reduce tissue levels of these biomarkers.

Keywords

hydrocortisone, inflammation, carotid stenosis

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