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Background Sugammadex is associated with few postoperative complications. Postoperative pulmonary complications (PPC) are related to prolonged hospitalizations. Present study explored whether the use of sugammadex could reduce PPCs and thereby reduce hospital length of stay (LOS) after lung surgery. Methods We reviewed the medical records of patients who underwent elective open lobectomy for lung cancer from January 2010 to December 2015. Patients were divided into the sugammadex group and pyridostigmine group. The primary outcome was hospital LOS and secondary outcomes were postoperative complications and overall survival at 1 year. The cohort was subdivided into patients with and without prolonged LOS to explore the effects of sugammadex on outcomes in each group. Risk factors for LOS were determined via multivariate analyses. After propensity score matching, 127 patients were assigned to each group. Results Median hospital LOS was shorter (10.0 vs. 12.0 days) and the incidence of postoperative atelectasis was lower (18.1 vs. 29.9%) in the sugammadex group. However, no significant difference in overall survival between the groups was seen over 1 year (hazard ratio, 0.967; 95% confidence interval, 0.363 to 2.577). Sugammadex was a predictor related to LOS (exponential coefficient 0.88; 95% CI 0.82–0.95). Conclusions Our data suggest that sugammadex is a preferable agent for neuromuscular blockade (NMB) reversal than cholinesterase inhibitors in this patient population. Trial registration This study registered in the Clinical Research Information Service of the Korea National Institute of Health (approval number: KCT0004735, Date of registration: 21 January 2020, Retrospectively registered).

Administration of arginine vasopressin (AVP) is associated with reducing jugular venous (SjvO2) and regional cerebral (rScO2) oxygen saturation under propofol-remifentanil (P/R) anaesthesia. We determined whether background anaesthetics modulate the effect of AVP on cerebral oxygenation and haemodynamics. We randomly allocated 60 adult patients scheduled for shoulder surgery in the beach chair position (BCP) into 4 groups, to receive either an intravenous bolus of saline (groups PR-S and SN-S) or 0.05 U/kg AVP (groups PR-AVP and SN-AVP) under P/R or sevoflurane-nitrous oxide (S/N) anaesthesia (n = 15 each). Haemodynamic variables, SjvO2 and rScO2 were measured. AVP significantly increased mean arterial blood pressure (MAP) and decreased rScO2 in either anaesthetic group. AVP also decreased SjvO2 in the P/R groups but not in the S/N groups. The AVP-treated groups showed higher MAP and cerebral desaturation (>20% rScO2 decrease from baseline), along with lower HR and rScO2 in the BCP than those in the saline-treated groups. In contrast, AVP did not affect SjvO2 values or the incidence of SjvO 2