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Clinical Trial Summary

Infection with severe acute respiratory syndrome-CoV-2 (SARS-CoV-2) may be associated with diffuse alveolar damage and pulmonary vasculitis. Thus, it is likely that pulmonary function changes may be seen in COVID-19 survivors. The aim of the present study was to test that simultaneously-determined lung diffusing capacity for nitric oxide and carbon monoxide may be useful to detect post-viral diffusive gas exchange abnormalities early after mild-to-severe COVID-19-related pneumonias.


Clinical Trial Description

Infection with severe acute respiratory syndrome-CoV-2 (SARS-CoV-2) may be asymptomatic or associated with life-threatening interstitial pneumonia. Clinically, patients affected from severe coronavirus disease-19 (COVID-19) are described as exhibiting rapidly progressing acute respiratory failure with unusually low oxygen levels in arterial blood. On computed tomography scans, diffuse, peripheral "ground glass" opacities of the lung are seen while autopsy lung specimens showed diffuse alveolar damage and capillary endothelialitis. The objective of the current study, conducted in patients who had recovered from mild-to-severe COVID-19 illness, was to test that simultaneously-determined lung diffusing capacity for nitric oxide (NO) and carbon monoxide (CO) may be of great use to early detect post-infective diffusive gas exchange abnormalities. More specifically, we hypothesized that measurement of membrane diffusive conductance for CO and pulmonary capillary volume may provide accurate information on residual changes of peripheral gas exchanging units of the lung related to previous SARS-CoV-2 infection. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04610554
Study type Observational
Source IRCCS Azienda Ospedaliera Universitaria San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
Contact
Status Completed
Phase
Start date May 14, 2020
Completion date October 12, 2020

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