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If confirmed, this data could potentially be the first step toward generating hypotheses for mechanisms of lung injury, intrauterine transmission, or how to detect COVID-19 in preterm infants. In addition, these data will be critical for developing evidence-based guidelines for perinatal management of these infants as we continue to battle against the COVID-19 pandemic for the foreseeable future.Objective  The aim of the study is to investigate whether carbetocin prevents postpartum hemorrhage (PPH) more effectively than oxytocin Methods  This historical retrospective single-center cohort study compares women who underwent cesarean deliveries during two periods. During period A, oxytocin was used as a 10-unit bolus immediately after delivery, with 20 units thereafter infused for 24 hours. During period B, carbetocin in a single 100-µg injection replaced this protocol. The main outcome was PPH, defined as a decline in hemoglobin of more than 2 g/dL after the cesarean. The analysis was performed on the overall population and then stratified by the timing of the cesareans (before or during labor). A logistic regression analysis was performed. Results  This study included 1,796 women, 52% of whom had a cesarean before labor; 15% had a PPH. The crude PPH rate was lower in period B than in period A (13 vs. 17%, respectively, odds ratio 0.75, 95% confidence interval [CI] 0.58-0.98). The difference was no longer significant in the multivariate analysis (adjusted odds ratio 0.81, 95% CI 0.61-1.06). Results were similar when stratified by the timing of the cesareans (before or during labor). Conclusion  Carbetocin is not superior to oxytocin in preventing PPH. However, it does provide the advantage of requiring a single injection.Medical students were temporarily removed from direct patient contact activities during the COVID-19 pandemic, shortening the duration of ward-based attachment programs. Web-based workshops were organized to equip final year medical students with necessary skills to start work in a general medicine setting. Topics included case-based scenarios reviewing patients with new complaints, medical documentation, and inter-professional communication. They were conducted using an online video conference platform and utilized polling platforms, small group discussions, and the "Chat" function to promote interactivity. Web-based learning enables delivery of useful contents without compromising interactivity and clinical applicability during the COVID-19 pandemic.Case-based conference preparation is a valuable skill rarely covered in medical school training. We implemented an innovative program to teach fourth-year medical students to prepare and facilitate a virtual case presentation conference with faculty mentorship. Feedback survey results indicated improved confidence in case presentation and in establishing a broad differential.After transitioning to a virtual flipped classroom due to COVID-19, pre-clinical content application session facilitators noted decreased engagement in large group sessions. Thus, we developed a synchronous virtual team-based learning session using Microsoft Forms. Students identified increased engagement, deeper learning, and ease of technology use as benefits to online team-based learning.A trans-selective arene hydrogenation of abundant phenol derivatives catalyzed by a commercially available heterogeneous palladium catalyst is reported. The described method tolerates a variety of functional groups and provides access to a broad scope of trans-configurated cyclohexanols as potential building blocks for life sciences and beyond in a one-step procedure. The transformation is strategically important because arene hydrogenation preferentially delivers the opposite cis-isomers. The diastereoselectivity of the phenol hydrogenation can be switched to the cis-isomers by employing rhodium-based catalysts. Moreover, a protocol for the chemoselective hydrogenation of phenols to cyclohexanones was developed.We present a parallel robot mechanism and the constitutive laws that govern the deformation of its constituent soft actuators. Our ultimate goal is the real-time motion-correction of a patient's head deviation from a target pose where the soft actuators control the position of the patient's cranial region on a treatment machine. We describe the mechanism, derive the stress-strain constitutive laws for the individual actuators and the inverse kinematics that prescribes a given deformation, and then present simulation results that validate our mathematical formulation. Our results demonstrate deformations consistent with our radially symmetric displacement formulation under a finite elastic deformation framework.We report a case of emergence delirium after a propofol-based sedation for a renal biopsy in a teenager patient who had received high-dose and long-term corticosteroid treatment. Corticosteroid treatment is proposed as a possible risk factor for emergence delirium, although controlled studies are needed to assess this relationship. Although treatment for emergence delirium has not been well established, as described with steroid-induced psychiatric symptoms, antipsychotics could be a good therapeutic option.Fulminant myocarditis is a life-threatening fast progressive condition. We present a 7-year-old female patient admitted with a diagnosis of acute myocarditis with a rapidly progressive cardiac dysfunction despite conventional vasoactive and inotropic treatment. The patient presented with ventricular fibrillation and subsequent cardiac arrest. Cardiopulmonary resuscitation (CPR) was performed during 105 minutes before extracorporeal membrane oxygenation (ECMO) cannulation was performed. Effective hemodynamic function was obtained, and ECMO was weaned after 7 days, without neurological complications. Rilematovir molecular weight There are not established extracorporeal cardiopulmonary resuscitation (eCPR) treatment criteria, and some international guidelines consider up to 100 minutes of "low flow" phase as a time limit to start the support. Some mortality risk factors for ECMO treatment mortality are female gender, renal failure, and arrhythmias. Pre-ECMO good prognostic factors are high levels of pH and blood lactate.