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Evolution of chest CT scan manifestations in a patient recovered from COVID-19 severe pneumonia with acute respiratory distress syndrome.

ABSTRACT: A male patient with severe pneumonia due to coronavirus disease 2019 (COVID-19) had acute respiratory distress syndrome (ARDS) which developed in the second week since the first symptoms and improved without mechanical ventilation. The patient had epilepsy as a comorbid disease and his routinely consumed antiepileptic drugs were likely to cause alterations of the immune system. Ground-glass opacity (GGO), consolidation, and reticular pattern are typical radiological features of COVID-19 pneumonia. Less common findings were septal thickening, bronchiectasis, pleural thickening, and subpleural involvement. These radiological abnormalities evolve throughout the course of the disease. In this case report, a GGO lesion was seen in thin-section CT scans on the 30th and 45th day since the onset of symptoms. The consolidation subsided with time and on the 65th day, minimal GGO was seen in CT scan without pulmonary fibrosis and bronchiectasis.

SUBMITTER: Maranatha D

PROVIDER: S-EPMC7794052 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Evolution of chest CT scan manifestations in a patient recovered from COVID-19 severe pneumonia with acute respiratory distress syndrome.

Maranatha Daniel D Rahardjo Paulus P Lusman Rikky R

Respiratory medicine case reports 20210109

A male patient with severe pneumonia due to coronavirus disease 2019 (COVID-19) had acute respiratory distress syndrome (ARDS) which developed in the second week since the first symptoms and improved without mechanical ventilation. The patient had epilepsy as a comorbid disease and his routinely consumed antiepileptic drugs were likely to cause alterations of the immune system. Ground-glass opacity (GGO), consolidation, and reticular pattern are typical radiological features of COVID-19 pneumoni ...[more]

PMID: 33457203

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Project description:OBJECTIVE:The aim of this study was to investigate the clinical and computed tomography (CT) features associated with severe and critical coronavirus disease 2019 (COVID-19) pneumonia. MATERIALS AND METHODS:Eighty-three patients with COVID-19 pneumonia including 25 severe/critical cases and 58 ordinary cases were enrolled. The chest CT images and clinical data of them were reviewed and compared. The risk factors associated with disease severity were analyzed. RESULTS:Compared with the ordinary patients, the severe/critical patients had older ages, higher incidence of comorbidities, cough, expectoration, chest pain, and dyspnea. The incidences of consolidation, linear opacities, crazy-paving pattern, and bronchial wall thickening in severe/critical patients were significantly higher than those of the ordinary patients. Besides, severe/critical patients showed higher incidences of lymph node enlargement, pericardial effusion, and pleural effusion than the ordinary patients. The CT scores of severe/critical patients were significantly higher than those of the ordinary patients (P < 0.001). Receiver operating characteristic curve showed that the sensitivity and specificity of CT score were 80.0% and 82.8%, respectively, for the discrimination of the 2 types. The clinical factors of age older than 50 years, comorbidities, dyspnea, chest pain, cough, expectoration, decreased lymphocytes, and increased inflammation indicators were risk factors for severe/critical COVID-19 pneumonia. Computed tomography findings of consolidation, linear opacities, crazy-paving pattern, bronchial wall thickening, high CT scores, and extrapulmonary lesions were features of severe/critical COVID-19 pneumonia. CONCLUSIONS:There are significant differences in clinical symptoms, laboratory examinations, and CT manifestations between the ordinary patients and the severe/critical patients. Many factors are related to the severity of the disease, which can help clinicians to judge the severity of the patient and evaluate the prognosis.

Project description:Background The role and performance of chest CT in the diagnosis of the coronavirus disease 2019 (COVID-19) pandemic remains under active investigation. Purpose To evaluate the French national experience using Chest CT for COVID-19, results of chest CT and RT-PCR were compared together and with the final discharge diagnosis used as reference standard. Materials and Methods A structured CT scan survey (NCT04339686) was sent to 26 hospital radiology departments in France between March 2 and April 24 2020. These dates correspond to the peak of the national COVID-19 epidemic. Radiology departments were selected to reflect the estimated geographical prevalence heterogeneities of the epidemic. All symptomatic patients suspected of having a COVID-19 pneumonia who underwent within 48 hours both initial chest CT and at least one RT-PCR testing were included. The final discharge diagnosis, based on multiparametric items, was recorded. Data for each center were prospectively collected and gathered each week. Test efficacy was determined by using Mann-Whitney Test, Student's t-test, Chi-square test and Pearson's correlation. A p value <.05 determined statistical significance. Results Twenty-six of 26 hospital radiology departments responded to the survey with 7500 patients entered; 2652 did not have RT-PCR results or had unknown or excess delay between RT-PCR and CT. After exclusions, 4824 patients (mean age 64, ± 19 yrs, 2669 males) were included. Using final diagnosis as the reference, 2564 of the 4824 patients were positive for COVID-19 (53%). Sensitivity, specificity, NPV and PPV of chest CT for diagnosing COVID-19 were 2319/2564 (90%, 95% confidence interval [CI]: 89, 91), 2056/2260 (91%, 95%CI: 91, 92%), 2056/2300 (89%, 95%CI; 87, 90%) and 2319/2524 (92%, 95%CI 91, 93%) respectively. There was no significant difference for chest CT efficacy among the 26 geographically separate sites, each with varying amounts of disease prevalence. Conclusion Use of chest CT for the initial diagnosis and triage of suspected COVID-19 patients was successful.

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Evolution of chest CT scan manifestations in a patient recovered from COVID-19 severe pneumonia with acute respiratory distress syndrome.

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Evolution of chest CT scan manifestations in a patient recovered from COVID-19 severe pneumonia with acute respiratory distress syndrome.

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