EVALUATION OF PULMONARY TOMOGRAPHIC PATTERNS IN PATIENTS POSITIVE TO SARS-COV- 2 DURING THE YEAR 2021

MARIA SOL LOVATO; MAGDALENA SNAIDER; MARIA ROSANA RAMIREZ

Buenos Aires

Congreso; Reunión Conjunta SAIC. SAB. AAFE. AACYTAL; 2023

Reunión Conjunta SAIC. SAB. AAFE. AACYTAL

To describe the pulmonary tomographic findings in patients with covid-19 evaluated by chest computed tomography (CT) and to establish the predominant pattern. For this purpose, COVID-19 positive cases (n=300) were retrospectively selected and classified according to age by reviewing the existing data in an anonymised computerised spreadsheet of these patients at the University Hos pital in the year 2021. The inclusion criteria were: patients with a diagnosis of COVID-19 who required hospital admission and who had an initial and/or subsequent follow-up CT scan. Patients who could not be followed up due to death, and those who did not have a CT scan were discarded. The review of the images was done sep arately, resolving discrepancies by consensus. For this, the patterns established in the consensus endorsed by the American College of Radiology and the Radiological Society of North America were used, classified as typical, atypical, indeterminate and negative. The re sults showed that the typical tomographic manifestations in patients with CoV-2 consist of ground glass opacities with or without consol idation or cobblestone pattern, and often with bilateral, peripheral, multilobar involvement and with inverted halo sign or other findings of organised pneumonia (n=16). In eight patients, the negative pat tern was found where many of them presented with this pattern but evolved to a typical pattern or vice versa. In six patients, the inter mediate pattern was detected, but the images did not show specific features; however, no images with the atypical pattern were found. The clinical course was favourable in all cases. Although this work describes in a simple way the pulmonary tomographic findings in patients with COVID-19, it is necessary to study more cases to know its prognostic significance in order to know if it can become a marker of disease progression, and consequently to establish specific ther apeutic measures or recommendation