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. 2021:1353:217-224.
doi: 10.1007/978-3-030-85113-2_12.

Anatomopathological Aspects and Clinical Correlation of COVID-19: A Systematic Review

Claúdio Gleidiston Lima da Silva  1 , Jéssica Rayanne Pereira Santana  1 , Luiz Fellipe Gonçalves Pinheiro  1 , Grecia Oliveira de Sousa  1 , Lívia Maria Angelo Galvão  1 , Karla Graziely Soares Gomes  1 , Karina Alves Medeiros  1 , Luana Araújo Diniz  1 , Ítalo Goncalves Pita de Oliveira  1 , Esther Barbosa Gonçalves Felix  1 , Amanda Célia Fernandes Sampaio  1 , Modesto Leite Rolim Neto  2
Affiliations

Anatomopathological Aspects and Clinical Correlation of COVID-19: A Systematic Review

Claúdio Gleidiston Lima da Silva et al. Adv Exp Med Biol. 2021.

Abstract

Objective: The objective of this systematic review was to analyze the main morphofunctional changes in the involvement of multiple organs in patients infected with SARS-CoV-2, correlating anatomopathological findings with the clinical picture.

Methods: The present study selected articles through electronic search of indexed journals in the PubMed and SciVerse Scopus databases, from December 2019 to May 2020, using the keywords "autopsy," "pathogenicity," and "COVID-19." Two hundred nine articles were identified, and the full texts of 18 articles were reviewed, 5 of them being selected for this review.

Results: The ACE2 receptor plays a role in introducing viral material into the cell, having high expression in type II alveoli. Histopathological analyzes of the lungs of patients with COVID-19 show that SARS-CoV-2 produces, in this organ, in addition to an inflammatory process, a diffuse alveolar damage (DAD), which can cause acute respiratory distress syndrome (ARDS). Macroscopically, the lungs become heavier, firmer, and redder. The clinical features of these patients are variable; the most common are respiratory symptoms associated with fever, myalgia, or fatigue.

Conclusion: The observations points to the consensus that the lungs are the main targets of COVID-19, with morphological and functional changes of interest, including important sequels, and presenting diffuse alveolar damage as a substrate for an unfavorable outcome with ARDS. Changes in micro and macroscopic levels corroborate to the clinical progression of the disease and that these alterations are not specific, which ratify, in addition to the anatomopathological examination, a need to use the association of clinical and epidemiological data for diagnostic confirmation.

Keywords: Anatomopathological aspects; COVID-19; Clinical correlation; SARS-CoV-2.

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