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Öğe 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, AyhanBackground. 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.Öğe Impact of Portal Vein Thrombosis on the Outcomes of Liver Transplantation(2023) Eren, Eryigit; Dinckan, AyhanPortal vein thrombosis (PVT) occurs in up to 17.9% of patients awaiting liver transplantation. It may impact post-liver transplantation survival negatively. The liver transplant procedures performed in our transplant center between January 2020 and June 2021 were screened. Data were collected retrospectively from the electronic folder system. Data, including causes of mortality, recipient gender, age, transplant indication, presence of hepatocellular carcinoma, rejection episodes, number of days in the intensive care unit, hospitalization duration, and complications, were recorded. Patients with no PVT constituted the control group. Patients with PVT were considered as the study group. Student’s t-test and the Mann-Whitney U test were used to evaluate the significance of the difference between study groups. Overall, 223 liver transplants were performed within the study period. Three re-transplants were excluded from the study. The analysis of 220 liver transplant patients revealed that 18.2% (n=20) of the patients presented with a PVT before liver transplantation. Patients with PVT had a higher rate of non-alcoholic steatohepatitis as an indication of a liver transplant. In addition, the presence of PVT significantly increased surgical mortality and early rejection rates. In correlation with this, the intensive care unit stay was longer in the patient group with PVT. Although the early surgical mortality post-liver transplant was higher in the group with PVT, the underlying variables could not be identified in this study. Nevertheless, the late mortality rates were not higher in patients with PVT following liver transplantationÖğe Is the Presence of 2 Renal Allograft Arteries Associated with Adverse Outcomes in Live Donor Kidney Transplantation?(Aves, 2023) Eren, Eryigit; Tokac, Mehmet; Uslu, Bora; Sahin, Taylan; Aktokmakyan, Talar Vartanoglu; Dinckan, AyhanObjective: Although it was postulated that renal grafts with multiple arteries could lead to unfavorable recipient outcomes, this subject remains controversial. This study aimed to compare the outcomes of recipients receiving renal allografts with a single artery with those receiving renal grafts with two arteries. Materials and Methods: Adult patients who received live donor kidney transplantation in our center between January 2020 and October 2021 were included. Data including age, gender, body mass index, renal allograft side, pre-kidney transplantation dialysis status, human leukocyte antigen mismatch number, warm ischemia time, the number of renal allograft arteries (single/double), complications, duration of hospitalization, postoperative creatinine levels, glomerular filtration rates, early graft rejection, graft loss, and mortality were collected. Subsequently, patients who received single-artery renal allografts were compared with those who received double-artery renal allografts. Results: Overall, 139 recipients were included. The mean recipient age was 43.73 +/- 13.03 (21-69). While 103 recipients were male, 36 were female. The comparison between the 2 groups revealed that mean ischemia time was significantly longer in the double-artery than in the single-artery group (48.0 vs. 31.2 minutes) (P =.00). In addition, the single-artery group had significantly lower postoperative day 1 and day 30 mean serum creatinine levels. Also, the mean postoperative day 1 glomerular filtration rates were significantly higher in the single-artery group than in the double-artery group. However, the 2 groups were similar concerning the glomerular filtration rates measured at other times. On the other hand, there was no difference between the 2 groups regarding duration of hospitalization, surgical complication, early graft rejection, graft loss, and mortality rates. Conclusion: The presence of 2 renal allograft arteries does not have adverse effects on the postoperative parameters of the kidney transplantation recipients, including graft function, duration of hospitalization, surgical complication, early graft rejection, graft loss, and mortality rates.Öğe The interaction of dexamethasone with sugammadex and rocuronium during general anesthesia in rhinoplasty surgeries(MediHealth Academy Yayıncılık, 30 Temmuz 2023) Şahin, Taylan; Eren, EryigitAims: Sugammadex is a cyclodextrin specifically designed to reverse the action of rocuronium through encapsulation. Theoretically, it is possible that sugammadex can encapsulate cortisone. There have been conflicting results regarding clinical dexamethasone-sugammadex interactions in patients under general anesthesia. The primary outcome of the present study is to investigate any possible alteration in the efficacy of sugammadex as a reversal of rocuronium due to dexamethasone injection in rhinoplasty surgery. The secondary outcome is evaluation of clinical observation sugammadex in these groups of patients. Methods: Adult patients with the American Society of Anesthesiology (ASA) II risk class undergoing rhinoplasty were included. All patients received standard general anesthesia with neuromuscular blockade using rocuronium. Patients were allocated to either the dexamethasone group or control group. The anesthesiologist measured the time interval between sugammadex injection and the recording of the 90% train of four. Additionally, the duration required for extubation after sugammadex injection was recorded. Finally, the signs of residual respiratory insufficiency and muscle weakness were checked in the post-anesthesia care unit until the 2nd-hour post-surgery. Results: Sixty-one patients were enrolled in the study. The dexamethasone group included 30, and the control group included 31 patients. The comparison of demographic and surgical characteristics of these two groups showed no statistical difference. The duration required for extubation was higher in dexmethasone group compared to control group (p=0.001). The total rocuronium administration dose was higher in dexmethasone group (p=0.01). The time required for the recovery of the head, upper, and lower extremity lifting was longer in the dexamethasone group (p=0.001, 0.003, and 0.047, respectively). Conclusion: The present study demonstrated an interaction between sugammadex and dexamethasone, which affected the reversal of neuromuscular blockade during rhinoplasty surgeries.
