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Aim: To report the impact of the SARS-CoV-2 pandemic on management and outcomes of paediatric appendicitis in the UK and Ireland. Methods: Prospective, multicentre observational cohort study at general surgical and specialist paediatric surgical centres in the United Kingdom and Ireland from 1st April to 31st July 2020. Primary outcome was treatment strategy used for acute appendicitis. Results: This study includes 2002 children treated for acute appendicitis of a median age of 10 (range 1–15) years and 605 children from a similar data set pre pandemic from 2017. In the pandemic cohort 560/2002(28%) were initially treated non operatively of whom 125/560(22%) proceeded to appendicectomy within initial hospital admission. Non operative treatment wasn't used in the pre pandemic cohort. Diagnostic imaging use was greater during the pandemic compared to pre pandemic (54vs31%; p < 0.00001) but overall use of laparoscopy was similar during both time periods (62.4vs66.6%). Hospital readmission rate was lower (8.7vs13.9%; p = 0.0002) during the pandemic than pre pandemic and Re-intervention rate was similar (2.9vs2.6%;p = 0.42). In cases treated operatively negative appendicectomy rate was lower during the pandemic than pre pandemic (4.4vs15.4%; p =0.0001), and during the pandemic was amongst the lowest ever reported in the UK. Conclusion: COVID-19 has had a significant impact on the management of children with appendicitis in the UK and Ireland. The rate of imaging and the use of non operative management increased, whilst the negative appendicectomy rate reduced. Overall, patient outcomes have not been adversely impacted by change in management during the pandemic. conclusion: Level I. Type of study: Prognosis study.

The prevalence of negative symptoms (NS) at first episode of early-onset psychosis (EOP), and their effect on psychosis prognosis is unclear. In a sample of 638 children with EOP (aged 10–17 y, 51% male), we assessed (1) the prevalence of NS at first presentation to mental health services and (2) whether NS predicted eventual development of multiple treatment failure (MTF) prior to the age of 18 (defined by initiation of a third trial of novel antipsychotic due to prior insufficient response, intolerable adverse-effects or non-adherence). Data were extracted from the electronic health records held by child inpatient and community-based services in South London, United Kingdom. Natural Language Processing tools were used to measure the presence of Marder Factor NS and antipsychotic use. The association between presenting with ≥2 NS and the development of MTF over a 5-year period was modeled using Cox regression. Out of the 638 children, 37.5% showed ≥2 NS at first presentation, and 124 (19.3%) developed MTF prior to the age of 18. The presence of NS at first episode was significantly associated with MTF (adjusted hazard ratio 1.62, 95% CI 1.07–2.46; P = .02) after controlling for a number of potential confounders including psychosis diagnostic classification, positive symptoms, comorbid depression, and family history of psychosis. Other factors associated with MTF included comorbid autism spectrum disorder, older age at first presentation, Black ethnicity, and family history of psychosis. In EOP, NS at first episode are prevalent and may help identify a subset of children at higher risk of responding poorly to antipsychotics.

Over 15% of young people with autism spectrum disorders (ASD) will contemplate or attempt suicide during adolescence. Yet, there is limited evidence concerning risk factors for suicidality in childhood ASD. Electronic health records (EHRs) can be used to create retrospective clinical cohort data for large samples of children with ASD. However systems to accurately extract suicidality-related concepts need to be developed so that putative models of suicide risk in ASD can be explored. We present a systematic approach to 1) adapt Natural Language Processing (NLP) solutions to screen with high sensitivity for reference to suicidal constructs in a large clinical ASD EHR corpus (230,465 documents), and 2) evaluate within a screened subset of 500 patients, the performance of an NLP classification tool for positive and negated suicidal mentions within clinical text. When evaluated, the NLP classification tool showed high system performance for positive suicidality with precision, recall, and F1 scores all > 0.85 at a document and patient level. The application therefore provides accurate output for epidemiological research into the factors contributing to the onset and recurrence of suicidality, and potential utility within clinical settings as an automated surveillance or risk prediction tool for specialist ASD services.

In a sample of children and adolescents with first-episode psychosis, we investigated whether multiple treatment failure (MTF, defined as the initiation of a third trial of novel antipsychotic due to nonadherence, adverse effects, or insufficient response) was associated with comorbid autism spectrum disorders.Data were from the electronic health records of 638 children (51% male) aged from 10 to 17 years with first-episode psychosis (per ICD-10 criteria) from January 1, 2008, to November 1, 2014, referred to mental health services in South London, United Kingdom; data were extracted using the Clinical Record Interactive Search (CRIS) system. The effect of autism spectrum disorder comorbidity on the development of MTF during a 5-year period was modeled using Cox regression.There were 124 cases of MTF prior to the age of 18 (19.4% of the sample). Comorbid autism spectrum disorders were significantly associated with MTF (adjusted hazard ratio = 1.99; 95% CI, 1.19-3.31; P = .008) after controlling for a range of potential confounders. Other factors significantly associated with MTF included higher age at first presentation (P = .001), black ethnicity (P = .03), and frequency of clinical contact (P.001). No significant association between other comorbid neurodevelopmental disorders (hyperkinetic disorder or intellectual disability) and MTF was found.Children with first-episode psychosis and comorbid autism spectrum disorders at first presentation are less likely to have a beneficial response to antipsychotics.

A 38-year-old woman with a history of endometrosis presented to hospital with a 24 h history of severe, stabbing right iliac fossa pain. On examination she was non-feverish and systemically well. Rebound tenderness was noted in the right iliac fossa without guarding. Urinanalysis was positive for leucocytes but blood tests were unremarkable with the exception of a C reactive protein of 7. CT of the abdomen was performed to elucidate the cause of her abdominal pain (figure 1). The CT revealed a 1.7 cm soft tissue nodule …