Quantitative evaluation of bronchoalveolar lavage for the treatment of severe Mycoplasma pneumoniae pneumonia in children-A new complementary index: Bronchial Insufflation Sign Score.

Bronchial Insufflation Sign Score combined with the extent of solid lung lesions can assess the efficacy of bronchoalveolar lavage in the treatment of severe Mycoplasma pneumoniae pneumonia in children; lung ultrasound is a timely and effective means of assessing the efficacy of bronchoalveolar lavage.