关键词: 肺疾病；诊断技术, 呼吸系统；呼吸功能试验；调查问卷；质量控制

Abstract: Background　Pulmonary function tests are key means for detecting respiratory diseases. The 13th Five-Year Plan on hygiene and healthcare （2016—2020） and Healthy China Action （2019—2030） plan issued by the State Council of the People's Republic of China proposed that pulmonary function tests shall be listed as the routine tests and pulmonary function detection capability in primary care shall be improved. However，according to relevant reports in 2002，pulmonary function tests have been used limitedly with regional imbalances in China. Objective　To investigate the application of pulmonary function tests in Guangdong Province，and problems that need to be improved in the process of development. Methods　This investigation was conducted in 2016. From 21 prefecture-level cities in Guangdong Province，771 hospitals（including 141 tertiary hospitals，327 secondary hospitals，137 primary hospitals and 166 ungraded hospitals ） were extracted，from which medical workers were selected to attend an on-site in-person interview by assistants of this project and medical consultant assistants qualified by uniform trainings. Results　 The investigation achieved a response rate of 100%. The results showed that pulmonary function tests had been implemented in 30.35%（234/771） of the hospitals，44.9% and 47.4% of which were secondary and tertiary hospitals. And the most widely implemented was pulmonary ventilation /perfusion test（100.0%），followed by bronchodilation test（79.1%），and bronchial provocation test（51.7%）. In terms of pulmonary ventilation /perfusion test，of the hospitals，64.5% often calibrated the spirometer，23.5% used the lower limit of normal for the FEV1/FVC ratio，58.1% used a five-level method（mild，moderate，moderate to severe，severe，very severe） to grade the test results，and 38.9% only printed the test data and graphics on the report sheet once. The workers performing pulmonary function tests in 43.3%（334/771） of the hospitals had received related trainings，82.6% and 17.4% of whom had received short-term training （1-5 days） and long-term training （1-3 months），respectively. Conclusion　The popularization rate of pulmonary function tests in Guangdong was low，with unbalanced development. Besides that，few primary care hospitals conducted such tests，and the types of tests carried out were also few. In addition，the methods used for pulmonary function tests，quality control，report format and interpretation of results were nonstandard. There is an urgent need to strengthen the standardized training for workers performing pulmonary function tests.

Key words: Lung diseases；Diagnostic techniques, respiratory system；Respiratory function tests；Surveys and questionnaires；Quality control