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    Analgaesic Effect of Erector Spinae Plane Block in Coronary Surgery: A Randomised Controlled Trial
    (Coll Physicians & Surgeons Pakistan, 2024) Disikirik, Akin; Bilgi, Murat; Turkoglu, Mustafa; Ucaroglu, Erhan Renan
    Objective: To investigate the effect of preemptive erector spinae plane (ESP) block application on postoperative pain scores and opioid demand in off-pump coronary artery bypass graft (CABG) surgery. Study Design: Randomised-controlled trial. Place and Duration of the Study: Department of Anaesthesiology and Reanimation, Abant Izzet Baysal University (AIBU) Medical School, Bolu, Turkiye, from November 2020 to April 2021. Methodology: Fifty patients between the ages of 50 and 75 years, received CABG surgery. These participants who were at risk of the American Society of Anesthesiologists (ASA) III were randomly divided into two groups: ESP (Group E) and Control (Group C). Intervention in Group E was performed bilaterally at the T5 level before the operation. In the study, the primary outcome was postoperative opioid demand while the secondary outcomes consisted of intraoperative opioid demand, visual analogue scale scores, and the duration of hospital stay. Results: Tramadol demand was significantly decreased in Group E at 0-1, 1-12, 12-24, and 0-48 hours (p <0.05). Intraoperative fentanyl demand for Group E was also statistically significantly decreased (p= 0.001). In Group E, the visual analogue scale scores at 30 minutes, 1(st), 2(nd), 4(th), 8(th), 12(th) hour, and 16th hour after postoperative extubation were observed to be significantly lower than those of Group C (p <0.05). Conclusion: Preemptive ESP block application in CABG surgery patients reduced postoperative tramadol demand, intraoperative fentanyl demand, and postoperative pain scores.
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    Predictive Value of QT Interval for Postoperative Atrial Fibrillation in Patients Undergoing Off-Pump Coronary Artery Bypass Surgery
    (Soc Brasil Cirurgia Cardiovasc, 2022) Kumtepe, Gencehan; Ucaroglu, Erhan Renan
    Introduction: Postoperative atrial fibrillation (poAF) is a common complication of coronary artery bypass grafting, and its reasons are still the subject of research. The aim of this study was to evaluate whether QT interval is related to new onset of poAF occurrence.Methods: This study included 167 patients undergoing elective isolated off-pump coronary artery bypass grafting (OPCAB) surgery. Patients were divided into two groups as poAF (+) and poAF (-), according to the development of poAF, and the results of the measurements were compared between the groups.Results: PoAF was detected in 37 (22.1%) of 167 patients who underwent OPCAB surgery. When QT interval measurements were compared, preoperative and postoperative QT and corrected QT interval (QTc) values were significantly longer in the group with atrial fibrillation. Mean values of preoperative QT were 407.5 +/- 27.1 in the poAF (-) group vs. 438.5 +/- 48.5 in the poAF (+) group (P<0.001). Mean values of preoperative QTc were 419.1 +/- 14.5 in the poAF (-) group vs. 448.5 +/- 26.6 in the poAF (+) group (P<0.001). Mean values of postoperative QT were 416.3 +/- 48.3 in the poAF (-) group vs. 439.2 +/- 45.8 in the poAF (+) group (P=0.005). And mean values of postoperative QTc were 419.8 +/- 12.5 in the poAF (-) group vs. 452.0 +/- 23.3 in the poAF (+) group (P<0.001).Conclusion: QT interval measurement may be a new parameter in predicting poAF development after OPCAB surgery.