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    Anaesthesiologist's Attitude and Behavior Toward Postoperative Pain Management in Turkey
    (Aves, 2022) Demir, Emin Tunc; Erbas, Mesut
    Objective: This study aims to evaluate the approach of anaesthesiologist in Turkey and their applications toward postoperative pain treatment and in addition to raise awareness in this regard. Methods: The target audience of this descriptive survey study was physician members of the Turkish Society of Anaesthesiology and Reanimation, who were volunteering/accepting to participate in the study. The doctors were contacted via their e-mail addresses. Data were collected online, between October 10, 2016, and November 30, 2016, using a web-based (SurveyMonkey (R), https://tr.surveymonkey.com/) questionnaire form, and the data were analyzed by the Statistical Package for the Social Sciences (SPSS) version 20 software (IBM Corp.; Armonk, NY, USA). Descriptive data were presented with frequency, percentage, mean, standard deviation, median, minimum, and maximum values. Results: A total of 315 people were included in the study. Around 34.9% anaesthesiologists had 5-10 years of professional experience and 61.9% of the anaesthesiologists stated that they routinely check the patients' pain level in the postoperative period. Multimodal analgesia is mostly preferred (25.3%) after major surgical intervention. Around 71.9% of the participants stated that they cannot find the required time for postoperative analgesia in their institution, and they associated this matter with excessive workload and lack of staff time. Conclusion: In this study, we found that anaesthesiologists in Turkey are doing the follow-up of patients during the postoperative period pain-wise and that they use specific pain scales. Anaesthesiologists think that postoperative pain treatment is not done effectively and time required for the pain treatment is not enough. They also stated that a separate team should be formed for postoperative pain management in the hospital. We believe that this study will raise awareness on this issue and will contribute to the creation of algorithms for postoperative pain treatment, the establishment of pain teams, and the provision of more effective and safer health services.
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    Investigation of proarrhythmic effect of high sugammadex doses: an experimental animal study
    (Springernature, 2022) Demir, Emin Tunc; Erbas, Mesut
    BackgroundStudies on higher doses of sugammadex effect on QT interval and leading arrhythmia have been limited. In this study, we aimed to investigate possible proarrhythmic effect of higher doses of sugammadex in conditions that required urgent reversal of neuromuscular blockade during general anesthesia in an experimental animal model.MethodsIt was experimental animal study. Total of 15 male New Zealand rabbits were randomly divided into three groups for low (4 mg/kg, n = 5), moderate (16 mg/kg, n = 5), and high dose of sugammadex (32 mg/kg, n = 5). All rabbits were premedicated by intramuscular ketamine 10 mg/kg, and general anesthesia was inducted by intravenous injection of 2 mg/kg of a propofol, 1 mcg/kg fentanyl, and 0.6 mg/kg rocuronium injection. Airway was provided by V-gel rabbit and connected to anesthetic device and ventilated at about 40 cycle/min and 10 ml/kg; oxygen 50% plus air 50% mixture was used with 1 MAC isoflurane to maintain anesthesia. Electrocardiographic monitorization and arterial cannulation were provided to follow-up mean arterial pressure and for arterial blood gas analyses. Intravenous sugammadex in three different doses were injected at 25th min of induction. After observing adequate respiration of all rabbits, V-gel rabbit was removed. Parameters and ECG recordings were taken basal value before induction and at the 5th, 10th, 20th, 25th, 30th, and 40th min to measure corrected QT intervals and were stored on digital media. QT interval was calculated as the time from the beginning of the Q wave to the end of the T wave. Corrected QT interval was calculated according to the Bazett's formula. Possible adverse effects were observed and recorded.ResultsIn all three groups, there was no significant statistical difference in mean arterial blood gases parameters, arterial pressures, heart rates, and Bazett QTc values, and no serious arrhythmia was recorded.ConclusionWe found in animal study that low, moderate, and high doses of sugammadex did not significantly altered corrected QT intervals and did not cause any significant arrhythmia.
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    Pulmonary effects of ozone therapy at different doses combined with antibioticotherapy in experimental sepsis model
    (Acta Cirurgica Brasileira, 2020) Kapicibasi, Hasan Oguz; Kiraz, Hasan Ali; Demir, Emin Tunc; Adali, Yasemen; Elmas, Sait
    Purpose: This experimental sepsis model created with Escherichia coil aimed to investigate the histopathological effects of two different doses of ozone combined with antibiotherapy on lung tissue. Methods: Rats were divided into 5 groups. Then sepsis was induced intraperitoneally in the first 4 groups. The 1st group was treated with cefepime, the 2nd and 3rd groups were treated with cefepime combined with ozone at a dose of 0.6 mg/kg and 1.1 mg/kg. Lung tissue sections were stained with hematoxylin-eosin and assessed under light microscope and scored between 0-4 in terms of histopathological findings. Results: In the comparisons between Group 1 and Group 4 in terms of cellular damage (p=0.030), inflammation (p=0.000) and overall score (p=0.007), statistically significant positive effects were observed in favor of Group 1. In the comparisons of Groups 2 and 3 with Group 4, only positive effects were observed in terms of inflammation (p=0.020, p=0.012, respectively). Conclusion: Although negative histopathological effects of ozone on tissue injury were detected, it was noteworthy that the increase in the ozone dose reduced the number of damaged parameters.