European journal of anaesthesiology
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Randomized Controlled Trial
Positive end-expiratory pressure and emergence preoxygenation after bariatric surgery: A randomised controlled trial on postoperative oxygenation.
Positive end-expiratory pressure (PEEP) is important to increase lung volume and counteract airway closure during anaesthesia, especially in obese patients. However, maintaining PEEP during emergence preoxygenation might increase postoperative atelectasis by allowing susceptible lung areas to be filled with highly absorbable oxygen that gets entrapped when small airways collapse due to the sudden loss of PEEP at extubation. ⋯ www.clinicaltrials.gov , NCT04150276.
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Resistance to the effects of rocuronium and other neuromuscular blocking agents (NMBA) has been previously reported, including delayed onset of relaxation, rapid recovery and incomplete paralysis under recommended doses. These conditions have been associated with denervation injury, burns, immobilisation, infections, metabolic disorders, and drug interactions. ⋯ After chemotherapy and tumour resection, the patient underwent a third surgical procedure under general anaesthesia with normalised NMBA response. Patient's written consent was obtained for publication.
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Review
Platelet-sparing properties of aprotinin: A scoping review on mechanisms and clinical effects.
Cardiac surgery involving cardiopulmonary bypass (CPB) is associated with the risk of acquired coagulopathy, including dysregulated fibrinolysis, which can result in life-threatening bleeding complications. Aprotinin, an antifibrinolytic agent, has been recommended for the prevention of these complications. Its effectiveness has been attributed to its ability to nonspecifically inhibit various serine proteases involved in the coagulation and fibrinolysis cascade. Additionally, aprotinin may protect platelets from CPB-induced dysfunction through a platelet-sparing effect, further enhancing its efficacy. ⋯ This review elucidated current knowledge on how aprotinin influences platelets and exerts its platelet-sparing effect, while highlighting gaps in the existing literature.