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    Comparison between intravenous and thoracic epidural analgesia in single coronary artery bypass graft surgery
    (Tubitak Scientific & Technical Research Council Turkey, 2012) Salman, Nevriye; Serter, Fatih Tanzer; Ucar, Halil Ibrahim; Gunaydin, Serdar; Yorgancioglu, Ali Cem
    Aim: To compare thoracic epidural analgesia with intravenous analgesia in patients who underwent coronary artery bypass grafting surgery. Materials and methods: This retrospective study included 40 patients who had received elective single artery bypass surgery. After general anesthesia, one group was given patient-controlled thoracic epidural analgesia and the other group was given patient-controlled intravenous meperidine analgesia. Patient assessments were performed during the postoperative period and included the duration of hospital stay, pain and sedation scores, ambulation score, atrial fibrillation incidence, and organ morbidities. Results: No differences were detected between the groups in the demographic or intraoperative data. However, a statistically significant difference was detected in favor of thoracic epidural analgesia for the duration of extubation and hospital stay, pain control, sedation grade, mobilization, and quality of recovery scores. Conclusion: After single coronary artery surgery, thoracic epidural analgesia was more effective than intravenous analgesia; it also enabled earlier tracheal extubation and a shorter hospitalization period.
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    Effects of esmolol on lung injury induced by lower extremity Ischemia-reperfusion
    (Bayrakol Medical Publisher, 2022) Sabuncu, Ülkü; Sezen, Şaban Cem; Küçük, Ayşegül; Salman, Nevriye; Sabuncu, Timucin; Kip, Gülay; Kurtipek, Ömer
    Aim: After hind limb ischemia-reperfusion (I/R), impairments in remote organs are frequent. Lung tissue is the organ most affected by the remote organ damage. The lung damage increases ventilatory support, the need for inotropic agents and mortality. Many drugs and methods have been used in attempts to prevent or reduce this damage. The aim of this study is to investigate the protective effects of esmolol infusion on lung tissue prior to I/R created in the lower extremity. Material and Methods: The study was performed between 11 and 14 April 2018 in Gazi University Experimental Animal Research Center, Ankara, Turkey. After obtaining ethics committee approval, 24 rats were randomly divided into 4 groups: Control (Group C), Esmolol (Group E), Ischemia-reperfusion (Group I/R), and I/R-Esmolol (Group I/RE). Esmolol (200 mu g/kg/min intravenous) was applied 30 minutes before the procedure. The biochemical and histopathological parameters of lung tissue samples were compared. Results: Neutrophil infiltration/aggregation, alveolar wall thickness, and total lung injury scores were significantly higher in the I/R group than in the C and E groups. In addition, neutrophil infiltration/aggregation, alveolar wall thickness, and total lung injury scores in the I/R group were statistically higher than in the I/R-E group (p=0.030, p=0.010, p=0.001, respectively). Malondialdehyde levels, catalase (CAT) and paraoxonase (PON) enzyme activities in the I/R group were significantly higher than in the C, E, and I/R-E groups. Glutathione S- transferase ( GSH) enzyme activity was similar in all groups. Discussion: It was found that esmolol infusion at 200 mu g/kg/min intravenously-reduced oxidative stress when administered 30 minutes before ischemia in rats and partially corrected the damage caused by I/R in lung histopathology.
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    Öğe
    The Effects of Esmolol on Erythrocyte Deformability in Rat Liver Ischemia-Reperfusion Injury
    (Gazi Univ, Fac Med, 2021) Sabuncu, Ulku; Kucuk, Aysegul; Comu, Faruk Metin; Salman, Nevriye; Kip, Gulay; Unal, Yusuf; Arslan, Mustafa
    Background: Esmolol has protective effects in ischemia reperfusion (IR) injury. The purpose of our study was to look into the effects of this which esmolol on erythrocyte deformability in rat liver IR injury model. Materials and Methods: We used 24 Wistar albino rats as subjects in our study. They were divided into 4 groups; randomized control group (group C; n=6), esmolol group 200 mu g/kg/min intravenously (group E; n=6), IR group (group IR; n=6) and IR group with esmolol 200 mu g/kg/min intravenously (group IR-E; n=6). Erythrocyte packs were prepared from heparinized blood samples and deformability measurements were performed. Results: It was discovered that ischemia reperfusion increased the relative resistance when compared to control group (p<0.0001). Erythrocyte deformibility index was found to be higher in IR and IR-E groups compared to control group (p<0.0001, p=0.002, respectively). Esmolol application decreased the erythrocyte deformibiltiy index when compared to control group (p=0.017). Conclusion: In this research, esmolol application has improved the ertyhrocyte deformibity in liver rat IR injury partially. We also found that esmolol had beneficial effects by reversing undesirable effects of IR. Further studies with larger volume are required to support our promising results.