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We describe cases of three infants who developed acquired colonic atresia presumed secondary to significant systemic cardiovascular compromise and in the absence of necrotizing enterocolitis. An acquired colonic atresia may present as feed intolerance and should be investigated with a lower gastrointestinal contrast study. We would also recommend routine lower gastrointestinal contrast study prior to stoma closure in an infant with history of significant cardiovascular compromise, even in the absence of significant widespread colonic inflammation such as necrotizing enterocolitis. [ABSTRACT FROM AUTHOR]

Core outcome sets (COSs) provide a mechanism to guide researchers and clinicians when deciding which outcomes to report in research related to a specific clinical condition or intervention. The intention behind creating a COS for a specific condition is to improve the reporting of important and meaningful outcomes, thus enhancing the relevance of research. Additionally, a COS helps facilitate comparison of outcomes between different clinical studies and reduces research waste. In this paper, we discuss the availability of COSs in the field of pediatric general surgery. We provide an overview of the methodologies used to develop a COS, including common pitfalls, and finally, we discuss COS uptake and implementation. An understanding of all these aspects is important for researchers considering developing a new COS and for those reading research where a COS has been developed or used within a study. Failure to adequately appreciate the nuances of COS development, in particular, risks fundamental flaws that may jeopardize COS validity and subsequently hinder COS uptake and implementation. [ABSTRACT FROM AUTHOR]

Introduction: Three-dimensional (3D) printing is frequently used for surgical simulation and training, however, no widely available model exists for neonatal congenital diaphragmatic hernia (CDH). The aim of this study was to develop a 3D-printed model of CDH and test interobserver variability in the simulated model for obtaining measurements of the diaphragmatic defect and ipsilateral diaphragm. Methods: A term fetal MRI (3.5 kg) of thorax, diaphragm and defect (15 mm × 5 mm) were delineated and segmented after parental consent to produce 3D-printed models. Consultant and trainee paediatric surgeons were invited to measure the posterior-lateral diaphragmatic defect and ipsilateral diaphragm. Mean measurement error was calculated (millimetres). Data are presented as median (range) and number/total (%). Results: An abdominal and thoracoscopic model were produced and tested by 52 participants (20 consultants and 32 trainees). Diaphragmatic defect via laparotomy measured 15 (10–20) mm (AP) × 16 (10–25) mm (ML) and thoracoscopically 14 (11–19) mm (AP) × 15 (11–22) mm (ML). Mean error per measurement was 4 (1–17) mm via laparotomy vs. 3 (0.5–9.5) mm thoracoscopically. Mean error was similar between consultants and trainees via laparotomy (4.3 vs. 3.9 mm, p = 0.70) and thoracoscopically (3 vs. 3 mm, p = 0.79). Error did not correlate with experience as operating surgeon via laparotomy (β = 13.0 [95% CI − 55.9 to 82.0], p = 0.71) or thoracoscopically (β = 1.4[95% CI − 6.4 to 9.2], p = 0.73. Conclusions: We have designed and built simulation models for CDH repair via laparotomy and thoracoscopically. Operators can reliably measure the diaphragmatic defect and ipsilateral diaphragm, regardless of surgical experience and operative approach. [ABSTRACT FROM AUTHOR]

Background A major shift in treatment of appendicitis occurred early in the SARS-CoV-2 pandemic with non-operative management used commonly outside research protocols and in units with limited previous experience. This study aims to compare real-world outcomes of surgery versus non-operative management of uncomplicated appendicitis in children with 1-year follow-up. Method A prospective multicentre observational study of children treated for uncomplicated appendicitis at 74 hospitals in the UK and Ireland from 1 April to 31 July 2020 was performed. Propensity-score matched analysis was conducted using age, sex, C-reactive protein at diagnosis and duration of symptoms as covariates. Primary outcomes were success of non-operative management defined as achieving 1-year follow-up without undergoing appendicectomy due to recurrent appendicitis or ongoing symptoms, and occurrence of any predefined complication (intra-abdominal collection, wound infection, bowel obstruction or reintervention). Results Of 1464 children with presumed uncomplicated appendicitis, 1027 (70.2 per cent) underwent surgery and 437 (29.9 per cent) underwent non-operative management. Ninety-four children (21.5 per cent) treated by initial non-operative management required appendicectomy during the index hospital admission while recurrent appendicitis after discharge occurred in 25 (10.4 per cent) children within 1 year. The overall success rate of non-operative management at 1 year was 63.1 per cent (95 per cent c.i. 58.0 to 68.3 per cent). For propensity-score matched analyses, 688 children undergoing surgery and 307 undergoing non-operative management were included. Any predefined complication occurred in 50 (7.3 per cent) children undergoing surgery and in four (1.3 per cent) children undergoing non-operative management (OR 5.9 (95 per cent c.i. 2.1 to 16.6)) in the propensity-score matched cohort. There was no mortality or stoma formation. Conclusion Non-operative management is a safe and valid alternative to appendicectomy in children with uncomplicated appendicitis. [ABSTRACT FROM AUTHOR]

Purpose: Congenital duodenal obstruction (CDO) is associated with trisomy 21 (T21), or Down's syndrome, in around a third of infants. The aim of this study was to explore the impact of T21 on the epidemiology, management, and outcomes of infants with CDO., Methods: Data were prospectively collected from specialist neonatal surgical centres in the United Kingdom over a 12 month period from March 2016 using established population-based methodology for all babies with CDO. Infants with T21 were compared to those without any chromosomal anomaly., Results: Of 102 infants with CDO that underwent operative repair, T21 was present in 33 [32% (95% CI 23-41%)] babies. Cardiac anomalies were more common in those with T21 compared to those without a chromosomal anomaly (91 vs 17%, p < 0.001), whereas associated gastrointestinal anomalies were less common in infants with T21 (3 vs 12%, p = 0.03). Surgical management was not influenced by T21. Time to achieve full enteral feed, need for repeat related surgery, and mortality were similar between groups. Infants with T21 had a longer median initial inpatient stay (23 vs 16.5 days, p = 0.02)., Conclusions: Infants with T21 have a higher incidence of cardiac anomalies and a longer initial inpatient stay; however, it does not change CDO management or outcomes. This information is important for prenatal and postnatal counselling of parents of infants with CDO and T21.