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    Comparison of the Effects of Anaesthesia Methods Used in Caesarean Delivery on Neonatal Cerebral and Renal Oxygenation: A Randomised Controlled Trial
    (Mdpi, 2024) Arslan, Ulku; Kavrut Ozturk, Nilgun; Kavakli, Ali Sait; Dagdelen, Hatice Ozge
    Background: During a newborn's adaptation to extrauterine life, many changes take place that are influenced by various factors. The type of delivery and anaesthesia strategy utilised during labour can modify these adaptive modifications. In this regard, this study was designed to compare the effects of general and spinal anaesthesia on cerebral and renal oxygenation after elective caesarean deliveries. Methods: This randomised controlled study comprised sixty parturient women who were over 18 years old and had a gestational age between 37 and 41 weeks. All participants had an ASA (American Society of Anesthesiologists) classification of II. Neonatal cerebral (CrSO2) and renal (RrSO2) regional oxygen saturations were assessed using near-infrared spectroscopy. Additionally, the 1st-5th min Apgar scores, preductal and postductal peripheral oxygen saturation (SpO2), and perfusion index were recorded in both the general anaesthesia and spinal anaesthesia groups. Results: There was no statistically significant difference between the two groups in terms of CrSO2 or RrSO2 values. The values of CrSO2 and RrSO2 in both groups showed a significant rise from the 10th to the 15th min, respectively. Conclusions: General and spinal anaesthesia techniques used for cesarean delivery have similar effects on neonatal cerebral and renal oxygenation.
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    Immediate Extubation in the Operating Room Following Pediatric Liver Transplantation: A Retrospective Cohort Study
    (Elsevier Science Inc, 2023) Sahin, Taylan; Yaman, Ayhan; Kavakli, Ali Sait; Eren, Eryigit; Dinckan, Ayhan
    Background. Although immediate extubation in the operating room following pediatric liver transplantation can be safe and beneficial for select patients, many surgeons and anesthesiologists are still cautious. The study aimed to evaluate the safety and efficiency of immediate extubation in the operating room following pediatric liver transplantation.Methods. Sixty-four pediatric liver transplant recipients were included in this retrospective study. Patients were divided into 2 groups: immediate extubation (IE) (those who were extubated in the operating room) and delayed extubation (DE) (those who were extubated in the intensive care unit). Preoperative, intraoperative, and postoperative variables were recorded.Results. Although a total of 19 (29.7%) patients were extubated in the pediatric intensive care unit (group DE), 45 (70.3%) were extubated in the operating room at the end of surgery (group IE). The use of fresh frozen plasma and platelets was statistically higher in group DE (P = .017 and P = .002, respectively). Duration of anesthesia and length of stay in the pediatric intensive care unit was statistically longer in group DE (P = .020 and P = .0001, respectively). Three (15.8%) patients required reintubation in group DE and 2 (4.4%) in group IE. Hospital stay was statistically longer in group DE (P = .012).Conclusions. The current study demonstrated that immediate extubation in the operating room after surgery for pediatric patients who have undergone liver transplantation was safe. The duration of anesthesia and the intraoperative use of blood products such as platelet and fresh frozen plasma can effectively decide immediate extubation.
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    PECS II block for cardiac implantable electronic device insertion: A pilot study
    (Wiley, 2023) Kilin, Mustafa; Kavakli, Ali Sait; Karaveli, Arzu; Sugur, Tayfun; Kus, Gorkem; Cagirci, Goksel; Arslan, Sakir
    AimSome truncal blocks could provide adequate surgical anesthesia and postoperative analgesia in cardiac implantable electronic devices (CIED) insertion. The aim of this study was to evaluate the feasibility of the pectoral nerves (PECS) II block for CIED insertion.MethodsPECS II blocks were performed on the left side using the ultrasound-guided single injection technique in all patients. The primary outcome for feasibility was the percentage of the cases completed without intraoperative additional local anesthesia. Secondary outcomes were the amount of intraoperative additional local anesthetic, intraoperative opioid requirement, postoperative pain scores, first requirement for postoperative analgesia, postoperative analgesic consumption, patient satisfaction, and block-related complications.ResultsOf the total 30 patients, 19 (63.3%) required intraoperative additional local anesthetic. The median (IQR [range]) volume of the additional local anesthetic used was 7 (4-10 [2.5-12]) mL. Two patients needed additional IV analgesics in the first 24 h postoperatively. No statistically significant differences were determined between the patients requiring and not requiring intraoperative additional local anesthetic in respect of age, gender, duration of surgery, block performance time, and hospital stay. A total of 26 (86.6%) patients reported a high level of satisfaction with the procedure.ConclusionsPECS II block for cardiac electronic implantable device insertion provides effective postoperative analgesia for at least 24 h. Although PECS II block alone could not provide complete surgical anesthesia in the majority of the patients, when combined with supplementary local anesthetic, contributes to a smooth intraoperative course for patients.
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    Ultrasound-Guided External Oblique Intercostal Plane Block for Postoperative Analgesia in Laparoscopic Sleeve Gastrectomy: A Prospective, Randomized, Controlled, Patient and Observer-Blinded Study
    (Springer, 2024) Kavakli, Ali Sait; Sahin, Taylan; Koc, Umit; Karaveli, Arzu
    PurposeThe external oblique intercostal plane (EOI) block is a novel block technique for anterolateral upper abdominal wall analgesia. The superficial nature of the external oblique intercostal plane allows it to be easily identified even in patients with obesity. The aim of this study was to test the hypothesis that EOI block would reduce IV morphine consumption within 24 h after laparoscopic sleeve gastrectomy.Materials and MethodsPatients were randomly assigned to one of two groups: EOI block group and control group. The patients in the EOI block group received ultrasound-guided bilateral EOI block with a total of 40 ml 0.25% bupivacaine after anesthesia induction. The patients in the control group received no intervention. Postoperatively, all the patients were connected to an intravenous patient controlled analgesia (PCA) device containing morphine. The primary outcome of the study was IV morphine consumption in the first postoperative 24 h.ResultsThe median [interquartile range] morphine consumption at 24 h postoperatively was significantly lower in the EOI block group than in the control group (7.5 [3.5 to 8.5] mg vs 14 [12 to 20] mg, p = 0.0001, respectively). Numerical rating scale (NRS) scores at rest and during movement were lower in the EOI block group than in the control group at 2, 6, and 12 h but were similar at 24 h. No block-related complications were observed in any patients.ConclusionThe results of the current study demonstrated that bilateral EOI block reduced postoperative opioid consumption and postoperative pain in patients with obesity undergoing laparoscopic sleeve gastrectomy.Trial RegistrationClinicaltrials.gov identifier: NCT05663658.