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Norepinephrine has been recently introduced for prophylaxis against post-spinal hypotension during cesarean delivery; however, no data are available regarding its optimum dosing scheme. The primary objective of this study is to compare three different infusion and bolus dose combinations of norepinephrine for prophylaxis against post-spinal hypotension during cesarean delivery. This randomized, double-blind study was performed between February 2021 and May 2022. The study protocol was registered at Clinicaltrials.gov with the identification number NCT04701190. A total of 192 parturients were enrolled into this study. Patients were assigned to three groups-Zero-Bolus High-Infusion (Group ZBHI, 0 µg/0.1 µg kg -1 min -1 , n = 61), Moderate-Bolus Moderate-Infusion (Group MBMI, 5 µg/0.075 µg kg -1 min -1 , n = 61) and High-Bolus Low-Infusion (Group HBLI, 10 µg/0.05 µg kg -1 min -1 , n = 61)-according to different combinations of norepinephrine infusion and bolus doses. All patients received spinal anesthesia with 10 mg hyperbaric bupivacaine plus 12.5 µg fentanyl. Immediately after cerebrospinal fluid was obtained, patients underwent a norepinephrine protocol corresponding to the randomized group. The primary outcome was the incidence of post-spinal hypotension. Secondary outcomes were post-delivery hypotension, frequency of post-spinal hypertension and bradycardia, and neonatal outcomes. The incidence of post-spinal hypotension was 11.7% in Group HBLI, 6.7% in Group ZBHI and 1.7% in Group MBMI ( p = 0.1). The overall incidence of post-delivery hypotension in parturients was 41.1% ( p = 0.797). The lowest frequency of post-spinal bradycardia (8.3%) and hypertension (11.7%) was seen in Group HBLI. The neonatal APGAR scores at 1st minute were higher in Group MBMI than in Group ZBHI (8.58 vs. 8.23, p = 0.001). All three infusion and bolus dose combinations of norepinephrine effectively reduced the incidence of post-spinal hypotension. However, high-dose bolus (10 µg) followed by low-dose infusion (0.05 µg kg -1 min -1 ) of norepinephrine can be preferred due to the reduced frequency of bradycardia and hypertension during cesarean delivery under spinal anesthesia.

Objectives: Appendicitis is a common surgical emergency among children. The coronavirus pandemic affected the system of hospitals more than any other field, and great amount of people were concerned about visiting the hospitals for any reason. In this study, it was aimed to evaluate the profile of appendicitis by emphasizing perforated and acute appendicitis in the pandemic period and to compare the rates with previous three years., Material and Methods: Charts of the children who underwent laparoscopic appendectomy due to appendicitis between March 11-September 30 between 2017-2020 were retrospectively analyzed in terms of demographic data, duration of symptoms, duration between hospital admission and surgery, radiologic imaging and perioperative outcomes., Results: This study includes 467 children who underwent laparoscopic appendectomy. There were 97 procedures in 2020, 111 in 2019, 146 in 2018 and 113 in 2017. Multiple comparison tests revealed that age did not show difference; but onset of symptoms in admission (p= 0.004), hospitalization time before surgery (p <0.001), total hospitalization time (p <0.001) showed statistically significant difference between years. Pairwise comparisons showed that these parameters were increased in 2020 compared to other years. Perforated appendicitis rate was significantly increased in 2020 when compared to previous years., Conclusion: Although there is no direct relation between appendicitis and COVID-19 infection in the current knowledge, perforated appendicitis was found to be increased in children during the COVID pandemic. Reason of the higher rate of perforated appendicitis may be multifactorial; however, the pandemic appears to have a role in increased morbidity in children with appendicitis indirectly due to delay of hospital admissions., Competing Interests: Conflict of Interest: The authors have no conflicts of interest to declare., (Copyright © 2021, Turkish Surgical Society.)

Background/aim: Extracorporeal cardiopulmonary resuscitation (ECPR) is defined as the venoarterial extracorporeal membrane oxygenation (VA-ECMO) support in a patient who experienced a sudden pulseless condition attributable to cessation of cardiac mechanical activity and circulation. We aimed to evaluate the clinical outcomes of our ECPR experience in a pediatric patient population., Materials and Methods: Between September 2014 and November 2017, 15 children were supported with ECPR following in-hospital cardiac arrest (IHCA) in our hospitals. VA-ECMO setting was established for all patients. Pediatric cerebral performance category (PCPC) scales and long-term neurological prognosis of the survivors were assessed., Results: The median age of the study population was 60 (4–156) months. The median weight was 18 (4.8–145) kg, height was 115 (63–172) cm, and body surface area was 0.73 (0.27–2.49) m2. The cause of cardiac arrest was a cardiac and circulatory failure in 12 patients (80%) and noncardiac causes in 20%. Dysrhythmia was present in 46%, septic shock in 13%, bleeding in 6%, low cardiac output syndrome in 13%, and airway disease in 6% of the study population. Median low-flow time was 95 (range 20–320) min. Central VA- ECMO cannulation was placed in only 2 (13.3%) cases. However, the return of spontaneous circulation (ROSC) was obtained in 10 (66.6%) patients, and 5 (50%) of them survived. Overall, 5 patients were discharged from the hospital. Finally, survival following ECPR was 33.3%, and all survivors were neurologically intact at hospital-discharge., Conclusion: ECPR can be a life-saving therapeutic strategy using a promising technology in the pediatric IHCA population. Early initiation and a well-coordinated, skilled, and dedicated ECMO team are the mainstay for better survival rates., (This work is licensed under a Creative Commons Attribution 4.0 International License.)