Yazar "Kurt, Mustafa" seçeneğine göre listele

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  • Küçük Resim
    Öğe
    Atatürk Barajı ve Hidroelektrik Santralinin yapımında meydana gelen iş kazalarının analizi
    (2002) Yüksel, İhsan; Kurt, Mustafa; Dizdar, Ercüment N.
    Bu çalışmada, Atatürk Barajı ve.Hidroeletrik Santralinin yapımında meydana gelen 2181 iş kazasından 189'u işyeri kaza saptama tutanaklarındaki verilere göre analiz edilmeye çalışılmıştır. 2181 iş kazasının 23'ü ölümle sonuçlanmıştır. Yaralanmalar neticesinde toplam 17425 kayıp iş günü meydana gelmiştir. Araştırmanın sonuçlarına göre en fazla kazalanmamn saat 10:00'da görüldüğü saptanmıştır.
  • Küçük Resim
    Öğe
    A fuzzy analytic network process (ANP) model to identify faulty behavior risk (FBR) in work system
    (Elsevier Science Bv, 2008) Dagdeviren, Metin; Yüksel, Ihsan; Kurt, Mustafa
    Work system safety is a function of many factors, besides it is dynamic and complex. There may be relations and dependencies among the safety factors. Therefore, work system safety should be analyzed in a holistic manner. In this study, the faulty behavior risk (FBR) which is significant in work system safety is tried to be determined through analytical network process (ANP) which is an extension of analytical hierarchy process and allows analysis of complex systems. Besides, there are many difficulties and limitations in measuring the faulty behavior factors. For this reason, the weights of factors and sub-factors necessary to calculate the FBR are determined by using fuzzy ANP and by this way it was possible to make better decisions in this process. (C) 2007 Elsevier Ltd. All rights reserved.
  • Küçük Resim
    Öğe
    Sürücü Stresi Boyutlarının Belirlenmesi
    (2002) Yüksel, İhsan; Kurt, Mustafa
    During the conduct of this study it has been tried to reveal the behaviors of drivers and the level of stress imposed on the drivers.The sample of this study consists of 63 drivers who are being employed by a company which is study a questionnaire consisting of 64 articles covered in the scope of two section was used. The first section of this questionnaire contained 40 articles pertaining to the identifying parameters as well as the parameters serving to explain the behaviors of drivers.On the other hand, the second section contained 24 articles, which are developed with a view to determine the levels of stress imposed on the drivers. According to the result of factor analysis the 24 parameters of stress suffered by the drivers are gathered under 8 factors (dimensions) whose eigen values are over 1 (one). Such determined factors, served to explain a portion, which is equal to the 67.55% of total variance.
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    Öğe
    Usefulness of Monocyte Chemoattractant Protein-1 to Predict No-Reflow and Three-Year Mortality in Patients With ST-Segment Elevation Myocardial Infarction Undergoing Primary Percutaneous Coronary Intervention
    (Excerpta Medica Inc-Elsevier Science Inc, 2013) Buyukkaya, Eyup; Poyraz, Fatih; Karakas, Mehmet F.; Kurt, Mustafa; Akcay, Adnan B.; Akpinar, Ibrahim; Gibson, C. Michael
    Although monocyte chemoattractant protein-1 (MCP-1) levels are increased in patients with ST-segment elevation myocardial infarction, the prognostic value of MCP-1 in primary percutaneous coronary intervention (pPCI) is not clear. The goal of the present study was to investigate the association of MCP-1 levels with myocardial perfusion and prognosis in patients with ST-segment elevation myocardial infarction undergoing pPCI. Consecutive pPCI patients (n = 192) were assigned to tertiles according to their admission serum MCP-1 levels. Angiographic no-reflow, Thrombolysis In Myocardial Infarction flow grade, myocardial blush grade, and ST-segment resolution were assessed. Mortality and major adverse cardiac events were evaluated during hospitalization and at the 3-year clinical follow-up visit. Failure of ST resolution was associated with greater admission MCP-1 levels. The risk of no-reflow (Thrombolysis In Myocardial Infarction flow <= 2 or Thrombolysis In Myocardial Infarction flow 3 with final myocardial blush grade <= 2 after pPCI and ST resolution <30%) increased as the admission MCP-1 increased. The 3-year mortality increased as the MCP-1 level increased (8% vs 22% vs 28% for the 3 tertiles, p <0.01). Multivariate logistic regression analysis demonstrated that MCP-1 levels at admission are a significant independent correlate of 3-year mortality in patients with no-reflow as detected by myocardial blush grade. A receiver operating characteristics analysis identified an optimum cut point of >= 254 pg/ml, which was associated with a negative predictive value of 95% in association with 1-year mortality. In conclusion, the plasma MCP-1 levels at admission are independently associated with the development of no-reflow and 3-year mortality in patients with ST-segment elevation myocardial infarction undergoing pPCI. Crown Copyright (C) 2013 Published by Elsevier Inc. All rights reserved.