About: Evolution of CT findings in patients with mild COVID-19 pneumonia

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About: Evolution of CT findings in patients with mild COVID-19 pneumonia Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Evolution of CT findings in patients with mild COVID-19 pneumonia
Creator	Yang, Jian Wang, Yan Zhou, Jie Liu, Zhe Cai, Shubo Zhou, Heping Wang, Zekun Li, Fen Wu, Carol Chao, & Liang, Ting Liang, Yukun Ren, Zhuanqin Wang, Xibin Zhao, Huifang
Source	Medline; PMC
abstract	OBJECTIVES: To delineate the evolution of CT findings in patients with mild COVID-19 pneumonia. METHODS: CT images and medical records of 88 patients with confirmed mild COVID-19 pneumonia, a baseline CT, and at least one follow-up CT were retrospectively reviewed. CT features including lobar distribution and presence of ground glass opacities (GGO), consolidation, and linear opacities were analyzed on per-patient basis during each of five time intervals spanning the 3 weeks after disease onset. Total severity scores were calculated. RESULTS: Of patients, 85.2% had travel history to Wuhan or known contact with infected individuals. The most common symptoms were fever (84.1%) and cough (56.8%). The baseline CT was obtained on average 5 days from symptom onset. Four patients (4.5%) had negative initial CT. Significant differences were found among the time intervals in the proportion of pulmonary lesions that are (1) pure GGO, (2) mixed attenuation, (3) mixed attenuation with linear opacities, (4) consolidation with linear opacities, and (5) pure consolidation. The majority of patients had involvement of ≥ 3 lobes. Bilateral involvement was more prevalent than unilateral involvement. The proportions of patients observed to have pure GGO or GGO and consolidation decreased over time while the proportion of patients with GGO and linear opacities increased. Total severity score showed an increasing trend in the first 2 weeks. CONCLUSIONS: While bilateral GGO are predominant features, CT findings changed during different time intervals in the 3 weeks after symptom onset in patients with COVID-19. KEY POINTS: • Four of 88 (4.5%) patients with COVID-19 had negative initial CT. • Majority of COVID-19 patients had abnormal CT findings in ≥ 3 lobes. • A proportion of patients with pure ground glass opacities decreased over the 3 weeks after symptom onset.
has issue date	2020-04-15(xsd:dateTime)
bibo:doi	10.1007/s00330-020-06823-8
bibo:pmid	32291502
has license	no-cc
sha1sum (hex)	8c0a6b0e1156e6ad248a451e932465506006f442
schema:url	https://doi.org/10.1007/s00330-020-06823-8
resource representing a document's title	Evolution of CT findings in patients with mild COVID-19 pneumonia
has PubMed Central identifier	PMC7156291
has PubMed identifier	32291502
schema:publication	Eur Radiol
resource representing a document's body	covid:8c0a6b0e1156e6ad248a451e932465506006f442#body_text
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