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Thiobarbituric acid reactive substance [TEARS] a marker of oxidative stress in obstructive sleep apnea
Egyptian Journal of Chest Diseases and Tuberculosis [The]. 2014; 63 (1): 119-124
em Inglês | IMEMR | ID: emr-154303
ABSTRACT
OSA is a common condition that is primarily characterized by intermittent and recurrent pauses in respiration results in multiple cycles of hypoxia/re-oxygenation with an increased production of reactive oxygen species [ROS]. Is to assess TEARS as a marker of oxidative stress in obese patients with and without OSA. Study was performed on 51 obese subjects who had been referred to the Chest Department of Kasr Alaini Hospital with clinical suspicion of OSA in order to perform pol-ysomnography. They were classified into two groups; Cases consist of 33 obese patients who were diagnosed as obstructive sleep apnea [OSA] and Controls consist of 18 obese subjects, without OSA as a control group. The two groups were subjected to polysomnograpic study and serum TEARS. There was statistically highly significant increase in Epworth sleepiness scale [ESS] among cases compared to controls. As regards the polysomnographic data, there was statistically highly significant increase in AHI, desaturation index and duration of desaturation < 90% among cases compared to control subjects. While minimal O[2] sat% and average O[2] sat% were lower in cases than in the control subjects this reduction was statistically significant. There was statistically highly significant increase in serum TEARS levels among cases as compared to controls. There was a statistically significant positive correlation between grade of obesity and serum TEARS among studied cases. TERAS could be used as a marker of oxidative stress in OSA
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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Biomarcadores / Fatores de Risco / Substâncias Reativas com Ácido Tiobarbitúrico / Polissonografia / Estresse Oxidativo / Hospitais Universitários / Obesidade Limite: Feminino / Humanos / Masculino Idioma: Inglês Revista: Egypt. J. Chest Dis. Tuberc. Ano de publicação: 2014

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Biomarcadores / Fatores de Risco / Substâncias Reativas com Ácido Tiobarbitúrico / Polissonografia / Estresse Oxidativo / Hospitais Universitários / Obesidade Limite: Feminino / Humanos / Masculino Idioma: Inglês Revista: Egypt. J. Chest Dis. Tuberc. Ano de publicação: 2014