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Permanent URI for this collectionhttps://hdl.handle.net/11443/932

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Author: search.filters.author.Okten, Eyup Murat

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Now showing 1 - 4 of 4
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    Replacement of the Ascending Aorta for Severe Atherosclerosis During Coronary Artery Bypass Surgery
    (WILEY, 2012-01-01) Gullu, Ahmet Umit; Okten, Eyup Murat; Akay, Mehmet Hakan; Senay, Sahin; Kocyigit, Muharrem; Toraman, Fevzi; Karabulut, E. Hasan; Alhan, Cem
    Background and Aim: In the present study, we investigated the benefit of ascending aorta replacement in patients with severe aortic atherosclerosis who undergo coronary artery bypass surgery (CABG). Methods: From January 2001 to April 2011, 3842 patients underwent CABG and in 36 of these patients (31 male, 5 female) the ascending aorta was replaced due to severe atherosclerosis. Total circulatory arrest was used in 22 patients (61\%). The patients were followed for 69 +/- 36 months (1-133 months) and compared to a control group of patients. The control group consisted of patients who underwent CABG with or without a concomitant procedure (n = 3806). Results: For the study group, the mean additive and logistic Euroscores of the patients were nine and 20, respectively. One stroke (2.8\%) was observed and this patient died in the early postoperative period. There were a total of four confirmed deaths (12\%) at any time point over the length of the follow-up among the patients who were discharged from the hospital. Two of them died of malignancy (lung and gastric tumors) and the other two from cardiac reasons. No patients had a stroke during follow-up. For the control group the mean age was 61 +/- 1, the stroke rate was 0.6\%, and the mortality rate was 0.96\%, and the mean logistic and additive Euroscores were 3.7 +/- 4.4, and 3.5 +/- 2.5, respectively. Conclusions: Replacement of highly calcified ascending aortas during CABG can be safely performed in selected patients with good long-term outcomes. doi: 10.1111/j.1540-8191.2012.01510.x (J Card Surg 2012
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    The feasibility of robotic-assisted concomitant procedures during mitral valve operations
    (BAYCINAR MEDICAL PUBL-BAYCINAR TIBBI YAYINCILIK, 2019-01-01) Gullu, Ahmet Umit; Senay, Sahin; Kocyigit, Muharrem; Okten, Eyup Murat; Dumantepe, Mert; Karabulut, Hasan; Alhan, Cem
    Background: In this study, we present our clinical experience and midterm results with the robotic-assisted concomitant procedures during mitral valve operations. Methods: Between March 2010 and February 2018, a total of 34 patients (8 males, 26 females
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    Hybrid synchronous treatment of two separate cardiovascular pathologies: Coronary artery bypass grafting and endovascular aortic replacement
    (BAYCINAR MEDICAL PUBL-BAYCINAR TIBBI YAYINCILIK, 2018-01-01) Anturk, Cem; Bayrak, Fatih; Okten, Eyup Murat; Erdemli, Ozcan; Karabulut, Hasan
    Coronary artery disease and abdominal aortic aneurysm may frequently be together, particularly in elderly patients. Treatment strategies should be tailored according to the needs and specific properties of each patient. Hybrid synchronous procedures may be a choice of therapy in these patients, as well as staged procedures. Herein, we present the first hybrid synchronous case of Turkey to treat two separate cardiovascular pathologies.
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    Is the Nexfin finger cuff method for cardiac output measurement reliable during coronary artery bypass grafting? A prospective comparison with the echocardiography and FloTrac/Vigileo methods
    (TUBITAK SCIENTIFIC \& TECHNICAL RESEARCH COUNCIL TURKEY, 2016-01-01) Ariturk, Cem; Acil, Meltem; Ulugol, Halim; Ozgen, Zehra Serpil Ustalar; Okten, Eyup Murat; Dagdelen, Sinan; Karabulut, Esref Hasan; Alhan, Huseyin Cem; Toraman, Fevzi
    Background/aim: The aim of the current study was to assess the accuracy of cardiac output (CO) measurements obtained by the Nexfin finger cuff method as compared with the FloTrac/Vigileo and echocardiography methods in coronary artery bypass grafting (CABG) patients. Materials and methods: First-time elective CABG patients were prospectively enrolled in this study and divided into three groups according to CO measurement method. CO measurements were performed simultaneously by three different contributors and were collected by the fourth one 24 h postoperative in the intensive care unit (ICU). Data were statistically analyzed. Results: Seventeen female and 13 male patients between 42 and 78 years of age (with a mean of 56 +/- 4) were the subjects of this study. The mean CO measurements were 5.9 +/- 1.4 L/min, 5.8 +/- 1.1 L/min, and 6.0 +/- 1.1 L/min for the Nexfin, FloTrac/Vigileo, and echocardiography methods, respectively (P > 0.05). The correlation values between Nexfin and FloTrac/Vigileo, Nexfin and echocardiography, and FloTrac/Vigileo and echocardiography were r = 0.445, r = 0.377, and r = 0.384, respectively (P < 0.05). Conclusion: Nexfin yielded results comparable to those obtained with FloTrac/Vigileo and echocardiography for the postoperative CO assessment of CABG patients. Nexfin may be used in uncomplicated, hemodynamically stable patients in ICU as a reliable and totally noninvasive method of CO measurement.