Brandon M Togioka1, David Yanez2, Michael F Aziz3, Janna R Higgins3, Praveen Tekkali3, Miriam M Treggiari4. 1. Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, OR, USA. Electronic address: togioka@ohsu.edu. 2. Department of Anesthesiology, Yale University, New Haven, CT, USA. 3. Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, OR, USA. 4. Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, OR, USA; Department of Anesthesiology, Yale University, New Haven, CT, USA.
Abstract
BACKGROUND:Residual neuromuscular block has been associated with postoperative pulmonary complications. We hypothesised that sugammadex reduces postoperative pulmonary complications in patients aged ≥70 yr having surgery ≥3 h, compared with neostigmine. METHODS: Patients were enrolled in an open-label, assessor-blinded, randomised, controlled trial. At surgical closure, subjects were equally randomised to receive sugammadex 2 mg kg-1 or neostigmine 0.07 mg kg-1 (maximum 5 mg) for rocuronium reversal. The primary endpoint was incidence of postoperative pulmonary complications. Secondary endpoints included residual paralysis (train-of-four ratio <0.9 in the PACU) and Phase 1 recovery (time to attain pain control and stable respiratory, haemodynamic, and neurological status). The analysis was by intention-to-treat. RESULTS: Of the 200 subjects randomised, 98 receivedsugammadex and 99 received neostigmine. There was no significant difference in the primary endpoint of postoperative pulmonary complications despite a signal towards reduced incidence for sugammadex (33% vs 40%; odds ratio [OR]=0.74; 95% confidence interval [CI]=[0.40, 1.37]; P=0.30) compared with neostigmine. Sugammadex decreased residual neuromuscular block (10% vs 49%; OR=0.11, 95% CI=[0.04, 0.25]; P<0.001). Phase 1 recovery time was comparable between sugammadex (97.3 min [standard deviation, sd=54.3]) and neostigmine (110.0 min [sd=62.0]), difference -12.7 min (95% CI, [-29.2, 3.9], P=0.13). In an exploratory analysis, there were fewer 30 day hospital readmissions in the sugammadex group compared with the neostigmine group (5% vs 15%; OR=0.30, 95% CI=[0.08, 0.91]; P=0.03). CONCLUSIONS: In older adults undergoing prolonged surgery, sugammadex was associated with a 40% reduction in residual neuromuscular block, a 10% reduction in 30 day hospital readmission rate, but no difference in the occurrence of postoperative pulmonary complications. Based on this exploratory study, larger studies should determine whether sugammadex may reduce postoperative pulmonary complications and 30 day hospital readmissions. CLINICAL TRIAL REGISTRATION: NCT02861131.
RCT Entities:
BACKGROUND:Residual neuromuscular block has been associated with postoperative pulmonary complications. We hypothesised that sugammadex reduces postoperative pulmonary complications in patients aged ≥70 yr having surgery ≥3 h, compared with neostigmine. METHODS:Patients were enrolled in an open-label, assessor-blinded, randomised, controlled trial. At surgical closure, subjects were equally randomised to receive sugammadex 2 mg kg-1 or neostigmine 0.07 mg kg-1 (maximum 5 mg) for rocuronium reversal. The primary endpoint was incidence of postoperative pulmonary complications. Secondary endpoints included residual paralysis (train-of-four ratio <0.9 in the PACU) and Phase 1 recovery (time to attain pain control and stable respiratory, haemodynamic, and neurological status). The analysis was by intention-to-treat. RESULTS: Of the 200 subjects randomised, 98 received sugammadex and 99 received neostigmine. There was no significant difference in the primary endpoint of postoperative pulmonary complications despite a signal towards reduced incidence for sugammadex (33% vs 40%; odds ratio [OR]=0.74; 95% confidence interval [CI]=[0.40, 1.37]; P=0.30) compared with neostigmine. Sugammadex decreased residual neuromuscular block (10% vs 49%; OR=0.11, 95% CI=[0.04, 0.25]; P<0.001). Phase 1 recovery time was comparable between sugammadex (97.3 min [standard deviation, sd=54.3]) and neostigmine (110.0 min [sd=62.0]), difference -12.7 min (95% CI, [-29.2, 3.9], P=0.13). In an exploratory analysis, there were fewer 30 day hospital readmissions in the sugammadex group compared with the neostigmine group (5% vs 15%; OR=0.30, 95% CI=[0.08, 0.91]; P=0.03). CONCLUSIONS: In older adults undergoing prolonged surgery, sugammadex was associated with a 40% reduction in residual neuromuscular block, a 10% reduction in 30 day hospital readmission rate, but no difference in the occurrence of postoperative pulmonary complications. Based on this exploratory study, larger studies should determine whether sugammadex may reduce postoperative pulmonary complications and 30 day hospital readmissions. CLINICAL TRIAL REGISTRATION: NCT02861131.
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