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Ultra-Low-Dose Computed Tomography for Pneumonia in the Emergency Department: A Feasibility Study

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Resumo:Abstract Background: The role of ultra-low-dose chest CT (ULDCT) in the emergency department is unknown. Purpose: This study sought to examine feasibility of ULDCT in adults presenting to the emergency department for whom pneumonia was suspected. Radiation dose and time interval between medical request and ULDCT results were measured, antibiotic prescriptions were correlated. Methods: Between October 2017 and December 2018, we prospectively enrolled consecutive healthy adult patients in a single-center for whom community-acquired pneumonia was suspected and for whom no definitive diagnosis was possible by clinical judgment. Exclusion criteria comprised all chronic conditions that could impact severity and interpretation of image. Results: 131 eligible patients (mean age 43.5 years; 57% men) were enrolled to ULDCT. Eighteen (13.7%) patients were excluded. Average CT radiation dose was 0.14 mSv. Time interval between medical request and ultra-low-dose chest CT result was 43 minutes. Only 15.9% of patients with negative CT received antibiotics. Conclusion: Ultra-low-dose chest CT was feasible for almost all patients in a group of healthy adults presenting to the emergency department with suspected community-acquired pneumonia. Results were made available in a reasonable interval, and negative ones were associated with a low antibiotic prescription rate.
Autores principais:Bianco,Danilo P.
Outros Autores:Accorsi,Tarso A. D.; Souza,Jose L.; Mello,Eduardo S.; Silva,Joselito A.; Teles,Gustavo B. S.; Chate,Rodrigo C.; Santos,Andre R. C.; Moron,Renato A.; Mattos,Fernando R.; Teles,Adriana Gusman; Oliveira,Roger Pereira; Almeida,Elizabeth Aparecida; Zimmer,Paulo M.; Funari,Marcelo B. G.; Benveniste,Marcelo; Szarf,Gilberto
Assunto:Pneumonia Computed tomography Antibacterial agents Emergency medical services.
Ano:2024
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Fundação para a Ciência e Tecnologia
Idioma:inglês
Origem:SciELO Portugal

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