About: Time Course of Lung Changes On Chest CT During Recovery From 2019 Novel Coronavirus (COVID-19) Pneumonia

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Time Course of Lung Changes On Chest CT During Recovery From 2019 Novel Coronavirus (COVID-19) Pneumonia
Creator	Pan, Feng Liang, Bo Gui, Shan Li, Lingli Sun, Peng Wang, Jiazheng Yang, Lian Ye, Tianhe Zheng, Chuansheng Zheng, Dandan Hesketh, Richard
source	Medline; PMC
abstract	BACKGROUND: Chest CT is used to assess the severity of lung involvement in COVID-19 pneumonia. PURPOSE: To determine the change in chest CT findings associated with COVID-19 pneumonia from initial diagnosis until patient recovery. MATERIALS AND METHODS: This retrospective review included patients with RT-PCR confirmed COVID-19 infection presenting between 12 January 2020 to 6 February 2020. Patients with severe respiratory distress and/ or oxygen requirement at any time during the disease course were excluded. Repeat Chest CT was obtained at approximately 4 day intervals. The total CT score was the sum of lung involvement (5 lobes, score 1-5 for each lobe, range, 0 none, 25 maximum) was determined. RESULTS: Twenty one patients (6 males and 15 females, age 25-63 years) with confirmed COVID-19 pneumonia were evaluated. These patients under went a total of 82 pulmonary CT scans with a mean interval of 4±1 days (range: 1-8 days). All patients were discharged after a mean hospitalized period of 17±4 days (range: 11-26 days). Maximum lung involved peaked at approximately 10 days (with the calculated total CT score of 6) from the onset of initial symptoms (R2=0.25), p<0.001). Based on quartiles of patients from day 0 to day 26 involvement, 4 stages of lung CT were defined: Stage 1 (0-4 days): ground glass opacities (GGO) in 18/24 (75%) patients with the total CT score of 2±2; (2)Stage-2 (5-8d days): increased crazy-paving pattern 9/17 patients (53%) with a increase in total CT score (6±4, p=0.002); (3) Stage-3 (9-13days): consolidation 19/21 (91%) patients with the peak of total CT score (7±4); (4) Stage-4 (≥14 days): gradual resolution of consolidation 15/20 (75%) patients with a decreased total CT score (6±4) without crazy-paving pattern. CONCLUSION: In patients recovering from COVID-19 pneumonia (without severe respiratory distress during the disease course), lung abnormalities on chest CT showed greatest severity approximately 10 days after initial onset of symptoms.
has issue date	2020-02-13(xsd:dateTime)
bibo:doi	10.1148/radiol.2020200370
bibo:pmid	32053470
has license	no-cc
sha1sum (hex)	26a8eef81a960b510a503fc3abdc10cd53b1557a
schema:url	https://doi.org/10.1148/radiol.2020200370
resource representing a document's title	Time Course of Lung Changes On Chest CT During Recovery From 2019 Novel Coronavirus (COVID-19) Pneumonia
has PubMed Central identifier	PMC7233367
has PubMed identifier	32053470
schema:publication	Radiology
resource representing a document's body	covid:26a8eef81a960b510a503fc3abdc10cd53b1557a#body_text
is schema:about of	named entity 'COVID-19' named entity 'COVID-19 INFECTION' named entity 'STAGES' named entity 'EARLY STAGE' named entity 'IDENTIFIED' covid:arg/26a8eef81a960b510a503fc3abdc10cd53b1557a named entity 'stage' named entity 'Pneumonia' named entity 'COVID-19' named entity 'Lung' named entity 'pneumonia' named entity 'GGO' named entity 'Siemens Healthineers' named entity 'oxygen' named entity 'pneumonia' named entity 'lung' named entity 'Middle East respiratory syndrome coronavirus' named entity 'pneumonia' named entity 'iterative reconstruction' named entity 'COVID-19' named entity 'Chest CT' named entity 'severe pneumonia' named entity 'radiology' named entity 'statistical significance' named entity 'COVID' named entity 'Union Hospital' named entity 'CT scans' named entity 'lung' named entity 'respiratory symptoms' named entity 'COVID-19' named entity 'COVID-19' named entity 'mediastinal' named entity 'fever' named entity 'severe pneumonia' named entity 'nucleic acid detection' named entity 'infection' named entity 'Informed consent' named entity 'symptom' named entity 'lung' named entity 'respiratory distress' named entity 'pneumonia' named entity 'follow-up' named entity 'IBM SPSS Statistics' named entity 'erythrocyte sedimentation rate' named entity 'cough' named entity '2, 3' named entity 'thoracic' named entity 'chest CT' named entity 'chest CT' named entity 'pneumonia' named entity 'normal distribution' named entity 'hypoxemia' named entity 'COVID' named entity 'GGO' named entity 'acute respiratory distress syndrome' named entity 'Netherlands' named entity 'symptom' named entity 'ARDS' named entity 'People's Republic of China' named entity 'peer-reviewed' named entity 'radiograph' named entity 'respiratory rate' named entity 'symptom' named entity 'CT scans' named entity 'chest CT' named entity '8 days' named entity 'Fleischner Society' named entity 'pneumonia' named entity 'fever' named entity 'Tongji Medical College' named entity 'ground glass opacity'

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