Przemyslaw Puz1, Anetta Lasek-Bal2. 1. Department of Neurology, High School of Science, Medical University of Silesia, Clinical Hospital No 7, Professor Leszek Giec Upper Silesian Medical Centre, Katowice, Poland. Electronic address: ppuz@tlen.pl. 2. Department of Neurology, High School of Science, Medical University of Silesia, Clinical Hospital No 7, Professor Leszek Giec Upper Silesian Medical Centre, Katowice, Poland.
Abstract
BACKGROUND AND AIMS: The inflammatory process (with TNFα, interleukin-6 and interleukin-10 involvement) plays a key role in the development, progression and destabilization of atherosclerotic plaques. The aim of this study was to assess the importance of double-checked measurements of TNFα, interleukin-6 (IL-6) and interleukin-10 (Il-10) serum levels in patients with internal carotid artery (ICA) stenosis to determine the dynamics of changes in the stenosis degree and in the ultrasound plaque morphology. METHODS: The study included 65 patients with ICA stenosis. Ultrasound of the carotid arteries was performed during qualification and every 3 months to identify any progression of stenosis degree and dynamics of changes in plaque morphology. Serum concentrations of TNF-alpha, IL-6 and IL-10 were measured during qualification and at month 6 of the study. Calculations considered cytokine concentrations and their indices determined as relative differences of cytokine levels assessed in the first and in second tests. RESULTS: Patients with increasing degree of ICA stenosis had higher indices of IL-6 and IL-10 than patients without any increase in the stenosis degree. In patients with unfavorable dynamics of changes in plaque morphology, significantly higher levels of interleukin-6 were found in the second test; these patients had higher indices of IL-6 and IL-10 than patients with favorable dynamics of atherosclerotic plaque morphology on ultrasound. CONCLUSIONS: Long-term trends in serum concentrations of IL-6 and IL-10 in patients with ICA stenosis allow to predict the progression of the degree of stenosis and the unfavorable change of atherosclerotic plaque morphology.
BACKGROUND AND AIMS: The inflammatory process (with TNFα, interleukin-6 and interleukin-10 involvement) plays a key role in the development, progression and destabilization of atherosclerotic plaques. The aim of this study was to assess the importance of double-checked measurements of TNFα, interleukin-6 (IL-6) and interleukin-10 (Il-10) serum levels in patients with internal carotid artery (ICA) stenosis to determine the dynamics of changes in the stenosis degree and in the ultrasound plaque morphology. METHODS: The study included 65 patients with ICA stenosis. Ultrasound of the carotid arteries was performed during qualification and every 3 months to identify any progression of stenosis degree and dynamics of changes in plaque morphology. Serum concentrations of TNF-alpha, IL-6 and IL-10 were measured during qualification and at month 6 of the study. Calculations considered cytokine concentrations and their indices determined as relative differences of cytokine levels assessed in the first and in second tests. RESULTS:Patients with increasing degree of ICA stenosis had higher indices of IL-6 and IL-10 than patients without any increase in the stenosis degree. In patients with unfavorable dynamics of changes in plaque morphology, significantly higher levels of interleukin-6 were found in the second test; these patients had higher indices of IL-6 and IL-10 than patients with favorable dynamics of atherosclerotic plaque morphology on ultrasound. CONCLUSIONS: Long-term trends in serum concentrations of IL-6 and IL-10 in patients with ICA stenosis allow to predict the progression of the degree of stenosis and the unfavorable change of atherosclerotic plaque morphology.
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