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The impact of the COVID-19 pandemic on the use of diagnostic imaging examinations in the Brazilian unified healthcare system (SUS)

Lookup NU author(s): Dr Richard Harbron

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Abstract

© 2023 Fellowship of Postgraduate MedicineObjectives: To assess the impact of the COVID-19 pandemic on the volumes of use of diagnostic imaging examinations in the Brazilian Unified Health System (SUS), the only healthcare provider for approximately 160 million people. Methods: We collected the monthly numbers of diagnostic imaging examinations in the years 2019, 2020, and 2021 from a database provided by SUS. Data were collected by specific type of examination across different imaging modalities, both for the outpatient (elective and emergency) and inpatient settings. Results: There was a large reduction in the annual volume of almost all types of diagnostic imaging examinations in SUS in 2020, compared to 2019. Decreases were generally greater among outpatients than in the hospital setting, in which the annual volume of use of most modalities was similar or even higher in 2021 than in the pre-pandemic period. Computed tomography (CT) was the only modality for which use increased in 2020 compared to 2019. In contrast to other types of examinations, the use of chest CT was much higher in both 2020 and 2021 than in the preceding years. The relative changes in diagnostic imaging use in SUS started around March-April 2020, when the pandemic began to get worse in Brazil, and tended to correlate to COVID-19 incidence in Brazil over the following months. Conclusions: The COVID-19 pandemic had a large impact on the use of diagnostic imaging examinations in the SUS. Policies and actions are needed to alleviate the resulting potential adverse health effects and to optimize the use of diagnostic tests in the future.

Publication metadata

Author(s): Bonacossa de Almeida CE, Harbron RW, Valle Bahia PR, Murta Dovales AC

Publication type: Article

Publication status: Published

Journal: Health Policy and Technology

Year: 2023

Volume: 12

Issue: 1

Print publication date: 01/03/2023

Online publication date: 14/01/2023

Acceptance date: 02/04/2022

ISSN (print): 2211-8837

ISSN (electronic): 2211-8845

Publisher: Elsevier B.V.

URL: https://doi.org/10.1016/j.hlpt.2023.100725

DOI: 10.1016/j.hlpt.2023.100725

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