HRCT Findings of 41 Patients with Severe COVID-19/ 重型新型冠状病毒肺炎41例的HRCT表现

Objective To retrospectively analyze the clinical data and HRCT imaging features of 41 patients with severe COVID-19 in our hospital, and to further clarify the early warning value of chest CT in the clinical diagnosis and treatment of severe COVID-19 Methods Forty-one patients with severe COVID-19 were collected and their HRCT characteristics were analyzed Results Forty-one patients with severe COVID-19 were admitted to hospital with flu-like symptoms, including 33 with fever, 26 with cough, 17 with chills, 14 with phlegm, 13 with fatigue, 8 with chills, and 7 with muscle soreness In severe patients, HRCT showed moderate to severe lung injury, with mixed lesion shape and density Ground glass, cable, and consolidation changes were mixed presented, and ground glass and speckle shadow changes involved the hilum of lung Pulmonary hilum was involved with fibrous cord, meshwork shadow Subpleural parallel thick fibrous cord, vertical pleural fiber cord, vertical segmental consolidation of the pleura along the bronchi, distal bronchiectasis, and pleural thickening were presented in severe cases Pleural effusion and pericardial effusion were rare Conclusion Although imaging staging and clinical classification is not completely consistent, moderate to severe bilateral lung injury to moderate in chest HRCT, with ground glass shadow involving the lung, pleural effusion, parallel/vertical pleural bulky fiber cords and consolidation of the local distortion with/without the remote bronchiectasis, is highly alert the occurrence of clinical severe COVID-19．