Impact of the pulmonary ventilation function on the prognosis of suspected asthma patients: a retrospective observational study.

Objective: Asthma is a common chronic respiratory diseases, and the relationship between pulmonary ventilation function and the prognosis of patients with suspected asthma is not well understood. This study aims to explore the impact of pulmonary ventilation functions on the prognosis of patients with suspected asthma.

Methods: This retrospective observational study included patients with suspected asthma who were diagnosed and treated at the Guangdong Provincial Hospital of Traditional Chinese Medicine between August 2015 and January 2020.

Diagnostic value of the hypertonic saline bronchial provocation test in children with asthma using the high-power aerosol provocation system.

This study aimed to evaluate the diagnostic value of the modified hypertonic saline bronchial provocation test (HS-BPT) for children with asthma by using the high-power Aerosol Provocation System (APS). A total of 330 children suspected of having asthma and receiving HS-BPT-APS were included in this prospective survey conducted in Guangzhou, China from February 2017 to September 2018. The positive rate of HS-BPT-APS and the volume and types of adverse reactions were observed.