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Predictive Significance Of Plasma Levels Of İnterleukin-6 And High-Sensitivity C-Reactive Protein İn Atrial Fibrillation After Coronary Artery Bypass Surgery.
MAKALE #652 © Yazan Doç.Dr.Ömer Faruk DOGAN | Yayın Şubat 2008 | 4,305 Okuyucu
BACKGROUND: Postoperative atrial fibrillation (AF) plays a major role in the determination of hemodynamic deterioration and can be associated with cardiovascular events after coronary artery surgery. Elevated interleukin (IL)-6 and C-reactive protein (CRP) levels in patients with AF suggest a role of inflammation in the pathogenesis of AF. We conducted a study to investigate the correlation between postoperative AF and IL-6 and high-sensitivity CRP (hsCRP). MATERIALS AND METHODS: Forty-nine patients with a mean age of 60.3 +/- 10.7 years were enrolled in this study. Preoperative and postoperative first day blood samples were collected to assess the IL-6 and hsCRP levels. IL-6 levels were measured by enzyme-linked immunosorbent assay, and hsCRP was measured by rate turbidimetry method. RESULTS: Fourteen patients (28.5%) developed AF postoperatively. Patients who developed AF showed elevated serum concentrations of postoperative first day IL-6 (P < .001), preoperative hsCRP (P < .005), and postoperative first day hsCRP (P < 0.001). Preoperative hsCRP levels (P < .002) and postoperative first day IL-6 (P < .001) and hsCRP (P < 0.001) levels were associated with prolonged endotracheal intubation time. Prolonged intensive care unit stay showed significant correlations with elevated levels of preoperative hsCRP (P < 0.002) and postoperative first day IL-6 (P < 0.001) and hsCRP (P < 0.001). There was also statistical significance between the AF+ and AF- groups regarding intensive care unit stay and endotracheal intubation times (P < .001 and P < .001, respectively). Cut-off points for postoperative first day IL-6, preoperative hsCRP, and postoperative first day hsCRP were 46.4 pg/mL (sensitivity = 92.9% and specificity = 80%), 0.46 mg/L (sensitivity = 71% and specificity = 75%), and 17.9 mg/L (sensitivity = 92.9% and specificity = 78%), respectively. CONCLUSIONS: Elevated IL-6 and hsCRP levels in patients with postoperative AF suggest inflammatory components have a role of in the pathogenesis of AF.
BACKGROUND: Postoperative atrial fibrillation (AF) plays a major role in the determination of hemodynamic deterioration and can be associated with cardiovascular events after coronary artery surgery. Elevated interleukin (IL)-6 and C-reactive protein (CRP) levels in patients with AF suggest a role of inflammation in the pathogenesis of AF. We conducted a study to investigate the correlation between postoperative AF and IL-6 and high-sensitivity CRP (hsCRP). MATERIALS AND METHODS: Forty-nine patients with a mean age of 60.3 +/- 10.7 years were enrolled in this study. Preoperative and postoperative first day blood samples were collected to assess the IL-6 and hsCRP levels. IL-6 levels were measured by enzyme-linked immunosorbent assay, and hsCRP was measured by rate turbidimetry method. RESULTS: Fourteen patients (28.5%) developed AF postoperatively. Patients who developed AF showed elevated serum concentrations of postoperative first day IL-6 (P < .001), preoperative hsCRP (P < .005), and postoperative first day hsCRP (P < 0.001). Preoperative hsCRP levels (P < .002) and postoperative first day IL-6 (P < .001) and hsCRP (P < 0.001) levels were associated with prolonged endotracheal intubation time. Prolonged intensive care unit stay showed significant correlations with elevated levels of preoperative hsCRP (P < 0.002) and postoperative first day IL-6 (P < 0.001) and hsCRP (P < 0.001). There was also statistical significance between the AF+ and AF- groups regarding intensive care unit stay and endotracheal intubation times (P < .001 and P < .001, respectively). Cut-off points for postoperative first day IL-6, preoperative hsCRP, and postoperative first day hsCRP were 46.4 pg/mL (sensitivity = 92.9% and specificity = 80%), 0.46 mg/L (sensitivity = 71% and specificity = 75%), and 17.9 mg/L (sensitivity = 92.9% and specificity = 78%), respectively. CONCLUSIONS: Elevated IL-6 and hsCRP levels in patients with postoperative AF suggest inflammatory components have a role of in the pathogenesis of AF.
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"Predictive Significance Of Plasma Levels Of İnterleukin-6 And High-Sensitivity C-Reactive Protein İn Atrial Fibrillation After Coronary Artery Bypass Surgery." başlıklı makalenin tüm hakları yazarı Doç.Dr.Ömer Faruk DOGAN'e aittir ve makale, yazarı tarafından TavsiyeEdiyorum.com (http://www.tavsiyeediyorum.com) kütüphanesinde yayınlanmıştır.
Bu ibare eklenmek şartıyla, makaleden Fikir ve Sanat Eserleri Kanununa uygun kısa alıntılar yapılabilir, ancak Doç.Dr.Ömer Faruk DOGAN'ın izni olmaksızın makalenin tamamı başka bir mecraya kopyalanamaz veya başka yerde yayınlanamaz.
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Yazan Uzman
Doç.Dr.Ömer Faruk DOGAN
Ankara
Doktor "Kalp ve Damar Cerrahisi"
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