SummaryBackgroundViral meningitis is increasingly recognised, but little is known about the frequency with which it occurs, or the causes and outcomes in the UK. We aimed to determine the incidence, causes, and sequelae in UK adults to improve the management of patients and assist in health service planning.MethodsWe did a multicentre prospective observational cohort study of adults with suspected meningitis at 42 hospitals across England. Nested within this study, in the National Health Service (NHS) northwest region (now part of NHS England North), was an epidemiological study. Patients were eligible if they were aged 16 years or older, had clinically suspected meningitis, and either underwent a lumbar puncture or, if lumbar puncture was contraindicated, had clinically suspected meningitis and an appropriate pathogen identified either in blood culture or on blood PCR. Individuals with ventricular devices were excluded. We calculated the incidence of viral meningitis using data from patients from the northwest region only and used these data to estimate the population-standardised number of cases in the UK. Patients self-reported quality-of-life and neuropsychological outcomes, using the EuroQol EQ-5D-3L, the 36-Item Short Form Health Survey (SF-36), and the Aldenkamp and Baker neuropsychological assessment schedule, for 1 year after admission.Findings1126 patients were enrolled between Sept 30, 2011, and Sept 30, 2014. 638 (57%) patients had meningitis: 231 (36%) cases were viral, 99 (16%) were bacterial, and 267 (42%) had an unknown cause. 41 (6%) cases had other causes. The estimated annual incidence of viral meningitis was 2·73 per 100 000 and that of bacterial meningitis was 1·24 per 100 000. The median length of hospital stay for patients with viral meningitis was 4 days (IQR 3–7), increasing to 9 days (6–12) in those treated with antivirals. Earlier lumbar puncture resulted in more patients having a specific cause identified than did those who had a delayed lumbar puncture. Compared with the age-matched UK population, patients with viral meningitis had a mean loss of 0·2 quality-adjusted life-years (SD 0·04) in that first year.InterpretationViruses are the most commonly identified cause of meningitis in UK adults, and lead to substantial long-term morbidity. Delays in getting a lumbar puncture and unnecessary treatment with antivirals were associated with longer hospital stays. Rapid diagnostics and rationalising treatments might reduce the burden of meningitis on health services.FundingMeningitis Research Foundation and UK National Institute for Health Research.

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Purpose: Chronic lung allograft dysfunction(CLAD) is the barrier to improve long term outcome of lung transplantation. This study aims to examine prevalence and characteristics of patients with CLAD who were listed for lung re-transplant. Methods: This is a retrospective observational study. Adult patients (>18 YO) listed for lung re-transplant due to bronchiolitis obliterans syndrome (BOS) or restrictive allograft syndrome(RAS) were identified from SRTR database. Numerical data were reported in mean and standard deviation. Categorical data were reported in count and percent. T-test and Chi-square test were performed to compare 2 groups. Results: 1546 adult CLAD patients were included. 85.51% of these patients have BOS phenotype. Mean age was 42.79. There was no significant difference in age, mPAP, history of smoking, previous malignancy, or pan-resistant infection between BOS and RAS groups. Oxygen requirement at listing time was significantly higher in RAS group (5.64 §6.33 vs 2.93 §3.31, p < 0.01). Proportion of patients who were on ECMO at listing time is significantly higher in RAS group (4.02% vs 0.91%, p<0.01). LAS of RAS group was significantly higher(52.07 §18.71 vs 43.60 § 17.71, p < 0.01). 67.86% of RAS group received re-transplant compared to 59.15% of BOS group (p = 0.014).