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Resumen: Objetivo: El objetivo de este estudio fue analizar el proceso diagnóstico de los pacientes con fibrosis pulmonar idiopática en España, desde el inicio de los síntomas hasta el diagnóstico y tratamiento antifibrótico, en relación con la publicación de las sucesivas guías de práctica clínica. Material y métodos: Estudio multicéntrico, observacional, ambispectivo, en el que se analizaron los pacientes incluidos en el registro de la fibrosis pulmonar idiopática de la Sociedad Española de Neumología y Cirugía Torácica. Para ello se habilitó un cuaderno electrónico de recogida de datos en la web de la sociedad. Se recogieron variables sociodemográficas y clínicas al diagnóstico y seguimiento de los pacientes. Resultados: Desde enero de 2012 hasta diciembre de 2019 se incluyeron 1.064 pacientes, siendo finalmente analizados 929. El proceso diagnóstico varió en función del año en el que se realizó el diagnóstico y el patrón radiológico observado en la tomografía computarizada de alta resolución. En 244 (26,3%) pacientes, el diagnóstico se realizó con tomografía computarizada de alta resolución de tórax y evaluación clínica. La biopsia quirúrgica se utilizó hasta en el 50,2% de los casos diagnosticados antes del 2011, y en un 14,2% a partir de 2018. La mediana de tiempo que transcurre desde el inicio de los síntomas hasta el diagnóstico es de 360 días (RIC 120-720), siendo mayor de 2 años en el 21,0% de los pacientes. Recibieron tratamiento antifibrótico al 79,4% de los pacientes. El tiempo desde el diagnóstico hasta el inicio del tratamiento fue de 309 ± 596,5 días, con una mediana de 49 (RIC 0-307). Conclusiones: El proceso diagnóstico, incluyendo el tiempo hasta el diagnóstico y el tipo de pruebas utilizadas, ha ido cambiando desde 2011 hasta 2019, probablemente debido el avance en la investigación clínica y la publicación de guías consenso diagnóstico-terapéuticas. Abstract: Objective: The objective of the study was to analyze the diagnostic process and the time until the start of treatment of patients with idiopathic pulmonary fibrosis in relation to the publication of successive clinical practice guide. Material and methods: Multicenter, observational, ambispective study, in which patients includes in the idiopathic pulmonary fibrosis registry of the Spanish Society of Pulmonologist and Thoracic Surgery were analyzed. An electronic data collection notebook was enabled on the society's website. Sociodemographic and clinical variables were collected at diagnosis and follow-up of the patients. Results: From January 2012 to december 2019, 1064 patients were included in the registry, with 929 finally analyzed. The diagnosis process varied depending on the year in which it was performed, and the radiological pattern observed in the high-resolution computed tomography. Up to 26.3% of the cases (244) were diagnosed with chest high-resolution computed tomography and clinical evaluation. Surgical biopsy was used up to 50.2% of cases diagnosed before 2011, while it has been used in 14.2% since 2018. The median time from the onset of symptoms to diagnosis was 360 days (IQR 120-720), taking more than 2 years in the 21.0% of patients. A percentage of 79.4 of patients received antifibrotic treatment. The average time from diagnosis to the antifibrotic treatment has been 309 ± 596.5 days, with a median of 49 (IQR 0-307). Conclusions: The diagnostic process, including the time until diagnosis and the type of test used, has changed from 2011 to 2019, probably due to advances in clinical research and the publication of diagnostic-therapeutic consensus guidelines.

Objectives Real-world data regarding rheumatoid arthritis (RA) and its association with interstitial lung disease (ILD) is still scarce. This study aimed to estimate the prevalence of RA and ILD in patients with RA (RAILD) in Spain, and to compare clinical characteristics of patients with RA with and without ILD using natural language processing (NLP) on electronic health records (EHR).Methods Observational case–control, retrospective and multicentre study based on the secondary use of unstructured clinical data from patients with adult RA and RAILD from nine hospitals between 2014 and 2019. NLP was used to extract unstructured clinical information from EHR and standardise it into a SNOMED-CT terminology. Prevalence of RA and RAILD were calculated, and a descriptive analysis was performed. Characteristics between patients with RAILD and RA patients without ILD (RAnonILD) were compared.Results From a source population of 3 176 165 patients and 64 241 683 EHRs, 13 958 patients with RA were identified. Of those, 5.1% patients additionally had ILD (RAILD). The overall age-adjusted prevalence of RA and RAILD were 0.53% and 0.02%, respectively. The most common ILD subtype was usual interstitial pneumonia (29.3%). When comparing RAILD versus RAnonILD patients, RAILD patients were older and had more comorbidities, notably concerning infections (33.6% vs 16.5%, p

Abstract Background The coronavirus disease (COVID-19) pandemic has already affected more than 400 million people, with increasing numbers of survivors. These data indicate that a myriad of people may be affected by pulmonary sequelae of the infection. The aim of this study was to evaluate pulmonary sequelae in patients with bilateral COVID-19 pneumonia according to severity 1 year after hospital discharge. Methods COVID-FIBROTIC is a multicenter prospective observational cohort study for admitted patients with bilateral COVID-19 pneumonia. Pulmonary functional outcomes and chest computed tomography sequelae were analyzed 12 months after hospital discharge and we classified patients into three groups according to severity. A post hoc analysis model was designed to establish how functional test changed between groups and over time. A multivariable logistic regression model was created to study prognostic factors for lung diffusion impairment and radiological fibrotic-like changes at 12 months. Results Among 488 hospitalized patients with COVID-19 pneumonia, 284 patients had completed the entire evaluation at 12 months. Median age was 60.5 ± 11.9 and 55.3% were men. We found between-group differences in male sex, length of hospital stay, radiological involvement and inflammatory laboratory parameters. The functional evaluation of pulmonary sequelae showed that severe patients had statistically worse levels of lung diffusion at 2 months but no between group differences were found in subsequent controls. At 12-month follow up, however, we found impaired lung diffusion in 39.8% unrelated to severity. Radiological fibrotic-like changes at 12 months were reported in 22.7% of patients (102/448), only associated with radiological involvement at admission (OR: 1.55, 95% CI 1.06–2.38; p = 0.02) and LDH (OR: 0.99, 95% CI 0.98–0.99; p = 0.046). Conclusion Our data suggest that a significant percentage of individuals would develop pulmonary sequelae after COVID 19 pneumonia, regardless of severity of the acute process. Trial registration clinicaltrials.gov NCT04409275 (June 1, 2020)