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Background: We aimed to examine whether using a high fraction of inspired oxygen (FIO 2 ) in the context of an individualised intra-and postoperative open-lung ventilation approach could decrease surgical site infection (SSI) in patients scheduled for abdominal surgery. Methods: We performed a multicentre, randomised controlled clinical trial in a network of 21 university hospitals from June 6, 2017 to July 19, 2018. Patients undergoing abdominal surgery were randomly assigned to receive a high (0.80) or conventional (0.3) FIO 2 during the intraoperative period and during the first 3 postoperative hours. All patients were mechanically ventilated with an open-lung strategy, which included recruitment manoeuvres and individualised positive end-expiratory pressure for the best respiratory-system compliance, and individualised continuous postoperative airway pressure for adequate peripheral oxyhaemoglobin saturation. The primary outcome was the prevalence of SSI within the first 7 postoperative days. The secondary outcomes were composites of systemic complications, length of intensive care and hospital stay, and 6-month mortality. Results: We enrolled 740 subjects: 371 in the high FIO 2 group and 369 in the low FIO 2 group. Data from 717 subjects were available for final analysis. The rate of SSI during the first postoperative week did not differ between high (8.9%) and low (9.4%) FIO 2 groups (relative risk [RR]: 0.94; 95% confidence interval [CI]: 0.59e1.50; P¼0.90]). Secondary outcomes, such as atelectasis (7.7% vs 9.8%; RR: 0.77; 95% CI: 0.48e1.25; P¼0.38) and myocardial ischaemia (0.6% [n¼2] vs 0% [n¼0]; P¼0.47) did not differ between groups. Conclusions: An oxygenation strategy using high FIO 2 compared with conventional FIO 2 did not reduce postoperative SSIs in abdominal surgery. No differences in secondary outcomes or adverse events were found. Clinical trial registration: NCT02776046.

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Purpose of Review Persons with diabetes are more likely to require orthopedic surgery and are at an increased risk of developing postoperative complications. Recognizing the impact of diabetes on musculoskeletal health provides an opportunity to educate healthcare professionals in standardizing the perioperative approach of persons with diabetes. Recent Findings Elevated hemoglobin A1C, fructosamine, and blood glucose levels have been associated with increased risk for complications in the orthopedic population. These risks can be mitigated by the early identification and optimization of these patients in the perioperative period. Intraoperative and postoperative glycemic management should support efforts to maintain glucose at safe levels while avoiding hyperglycemia and hypoglycemia. Summary This paper considers factors surrounding diabetes care in the orthopedic surgical patient. Perioperative care discussed includes optimization, hospitalization to discharge, and special considerations such as steroids and diabetes wearable technology. Hospitals should consider these strategies towards enhancing the care of persons with diabetes requiring musculoskeletal care.