The Joint Prevention and Control Mechanism of the State Council held a press conference on December 27. In response to a question from the media, it said that based on recent public feedback, some people infected with the new coronavirus have discovered pneumonia or CT "white lungs" during medical treatment. Some netizens believe that this situation may be due to infection with the original strain or is related to vaccination. In response to the relevant situation, Jiao Yahui, director of the Department of Medical Affairs of the National Health Commission, said that first of all, the so-called "white lung" that has appeared now has nothing to do with the original strain and vaccination in Wuhan at that time, and the current prevalent dominant strain is still the Omicron strain .
She said that "white lung" is a colloquial description of the imaging manifestations of the lungs. "We know that under normal circumstances, the lungs are composed of alveoli and . The alveoli are filled with air. When performing a CT or X-ray examination, when the rays pass through the alveoli, the image should be a black area. But when there is inflammation and infection in the alveoli with exudates and inflammatory cells, the alveoli are filled with these exudates or inflammatory cells, and the rays cannot penetrate. White areas appear in the imaging manifestations. The domain reflects the imaging performance of exudate, not that the lung tissue and entities turn white. "
Jiao Yahui said that as the exudate is absorbed and the inflammation subsides, the "white lung" manifestations will gradually subside, which means that the imaging manifestations of the lungs will return to the normal black area, and it is not called "white lungs" as long as there is inflammation in the lungs. "White lungs" should actually be a more serious manifestation of pneumonia.
In clinical practice, especially in the current wave of epidemics, patients of this type mainly appear in elderly patients with serious underlying diseases, but the proportion of such patients with serious conditions such as white lung is very low.
Jiao Yahui said that he noticed that some of the "white lungs" people talk about on the Internet are not real "white lungs", and some are not serious. Multiple pathogens can cause inflammation of the lungs, and in severe cases, imaging manifestations such as white lungs can occur. In terms of treatment, there is now a mature expert consensus and treatment plan. After treatment, a considerable number of patients with "white lung" can get better.
Source: Text/Beijing Youth Daily reporter Qu Chang
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