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    Glutamine enhances the heat shock protein 70 expression as a cardioprotective mechanism in left heart tissues in the presence of diabetes mellitus
    (Taylor and Francis Online, 2010) Uğurlucan, Murat; Erer, Dilek; Karatepe, Oğuzhan; Ziyade, Sedat; Haholu, Aptullah; Güngör Uğurlucan, Funda; Tireli, Emin; Dayıoğlu, Enver; Alpagut, Ufuk İbrahim
    Objective: Effects of diabetes mellitus on myocardium were investigated, by assessing levels of heat shock protein (HSP) 70, and efficacy of glutamine was tested. Materials and Methods: Thirty male rats were divided into three groups: control group (Group 1), diabetic group (Group 2) and glutamine-induced diabetic group (Group 3). Diabetes was created by intravenous streptozocin injection. Rats were examined one month later for cardiac complications of diabetes. Serum and tissue samples were obtained to measure HSP 70 levels. Results: Following streptozocin administration, glucose levels increased markedly. This resulted in a significant increase in HSP 70 in serum and tissues. When Group 3 was compared with other groups, HSP 70 was more increased in serum and tissues. When Groups 2 and 3 were compared, more increased HSP 70 values were observed in Group 3, statistical significance was obtained for left atrial and left ventricular HSP 70 levels. Elevated blood glucose was correlated with elevated HSP 70 levels. Increased serum HSP 70 levels were correlated with tissue HSP 70 values. Conclusions: HSP 70 levels increase in the myocardium of rats in diabetes mellitus as a protective mechanism. Levels of HSP 70 may further be increased with parenteral administration of glutamine. Efficacy of glutamine is more pronounced in left heart structures.
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    Mortality predictors in ST-elevated myocardial infarction patients undergoing coronary artery bypass grafting
    (Sage Journals, 2011) Kurç, Erol; Çetemen, Şebnem; Soylu, Özer; Aydoğan, Hakkı; Bayserke, Olgar; Yılmaz, Mürüvvet; Uyarel, Hüseyin; Ergelen, Mehmet; Orhan, Gökçen; Uğurlucan, Murat; Eren, Emin Ergen; Yekeler, İbrahim
    The use of coronary artery bypass grafting (CABG) in primary treatment of acute myocardial infarction is still debated. We evaluated the predictors of mortality in patients undergoing primary CABG for ST-elevated myocardial infarction (STEMI). Between January 2003 and January 2008, all patients referred to our institution with STEMI who did not qualify for primary angioplasty and required CABG were included in this study. Survivors and nonsurvivors were compared retrospectively in terms of demo-graphics, preoperative, intraoperative, and postoperative characteristics. Preoperatively confirmed cases of STEMI (n = 150) were included in the analysis. There were 114 survivors and 36 nonsurvivors. In-hospital mortality rate was 22%. In Cox regression analysis age, cardiogenic shock (Killip ?3), preoperative cardiac troponin levels, preoperative use of intra-aortic balloon counterpulsation (IABP), previous myocardial infarction, and percutaneous coronary intervention were independent predictors of in-hospital mortality. After multivariate analysis, factors predicting in-hospital mortality were age, preoperative cardiac troponin levels, and preoperative IABP. Age, preoperative cardiac troponin levels, and preoperative IABP use were predictive factors of in-hospital mortality in patients undergoing primary CABG for STEMI.
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    Vacuum assisted closure improves the quality of life in patients with diabetic foot
    (Taylor and Francis Online, 2011) Karatepe, Oğuzhan; Eken, I.; Ünal, O.; Mert, M.; Koç, B.; Karahan, S.; Uğurlucan, Murat; Aksoy, M.
    Background: Diabetes Mellitus (DM) is the most common endocrine disease worldwide. One of the most important chronic complications of this disease is the development of diabetic foot. The management of diabetic foot wounds is quite important with respect to public health. Aims: To determine the effect of Vacuum Assisted Closure (VAC) therapy on the quality of life in the treatment of diabetic foot ulcers and compare it with standart wound care. Methods: Between May 2007 to December 2008, 67 consecutive patients with diabetic foot ulcers were randomly assigned to VAC therapy (Group 1, n : 30) or standart wound care (Group 2, n : 37). The SF-36 questionnaire was administered the day before and in the month following wound healing. Global analyses of the 8 domains and 2 comprehensive indexes of SF-36, Physical Component Summary (PCS) and Mental Component Summary (MCS) were performed. Clinical measures included standard antidiabetic treatment, daily wound care including antiseptic bath, debridement, toe removal for gangrene when necessary, and wound care with conventional methods or VAC. Healing time was calculated as the time from hospital admission to the time of re-epithelization. Results: There were no differences in the mean age, ulcer size and pulse status of the patients in both groups. Healing time in the VAC group was significantly reduced (p < 0.05). All 8 domains of SF-36 and MCS and PCS scores improved remarkably after VAC therapy. Conclusion: Vacuum Assisted Closure therapy was found to be effective in the treatment of chronic diabetic ulcers. The improvement of quality of life demonstrates a clear-cut indication in this particular group of patients.