Abstract：Objective This analysis was made to improve the recognition of pulmonary thromboembolism by investigating the clinical features and assisted examinations. Methods The clinical data of 47 patients with pulmonary thromboembolism diagnosed in the Department of Respiratory of East Medicine District of Linyi People′s Hospital from August 2018 to January 2020 were retrospectively analyzed. The age of onset, gender, underlying diseases or potential risk factors, clinical symptoms, electrocardiogram, cardiac ultrasound, computer tomographic pulmonary angiography (CTPA),blood gas analysis, troponin T (cTnT), N-terminal pro-brain natriuretic peptide (NT-proBNP), D-dimer results and other indicators were analyzed.Results The elderly who suffered from hypertension,operation,trauma, or fracture were more subject to pulmonary thromboembolism. Dyspnoea, cough, and chest pain were major symptoms. Among the 47 patients,87.2% patients had sinus tachycardia, 68.1% patients had elevated pulmonary arterial systolic blood pressure, 82.9%patients had elevated N-terminal pro-brain natriuretic peptide,all patients had abnormal D-dimer and CTPA,and 74.5%patients had hypoxemia. Hypocapnia was present in 55.3% of patients, and cTnT was above normal in 66% of patients.Conclusion With a variety of underlying diseases and potential risk factors, the elderly were at high risk of pulmonary embolism. An adoption of CTPA, and D-dimer detection methods, supplemented by blood gas analysis, cardiac ultrasound, and other examinations were strongly recommended to help risk stratification, accurate diagnosis, and treatment.
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