Mechanisms of post‐operative nausea and vomiting (PONV) in children undergoing corrective spinal surgery are poorly understood. We investigated preoperative anatomical variables predisposing children to PONV. Likened to a vascular scissor, our pilot study shows that a direct coronal angulation of the superior mesenteric artery from the aorta predisposes children to PONV following surgery, termed the coronal aorto‐mesenteric orientation theory (CAMOT)

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Purpose: Up to 4% of patients who undergo cross pinning of a pediatric supracondylar humerus fracture sustain an iatrogenic ulnar nerve palsy (IUNP). This study aims to summarize the evidence regarding the management of IUNP in this setting, and to identify if early intervention (early wire removal or exploration) leads to faster and/or more complete recovery of the ulnar nerve. Methods: A formal systematic review was undertaken, with databases searched including Ovid Medline, Embase and Cochrane central. This was performed in accordance with JBI methodology and PRISMA guidelines. Results: In all, 26 articles were included in final evaluation, reporting a total of 179 IUNP. In all, 153 cases (85%) were managed expectantly, reporting full recovery at final follow-up (average 4.5 months) in 140 cases (91%). There were 26 cases of IUNP which were managed with early wire removal and/or exploration, of which 22 had full recovery (85%). There were 17 cases of 179 (9%) which did not have full recovery. Conclusion: The majority of IUNP are managed expectantly, with approximately 90% achieving full recovery at final follow-up. The literature does not support early wire removal and/or exploration, possibly because the damage to the nerve is done at the time of wire placement.