Value and Timing of Repeat Spirometry or Feno in Children: With Asthma Remains Unclear

[摘要] We read with initial enthusiasm the paper by Fielding et al¹ in a previous issue of CHEST (February 2019). The introduction presents the lack of clarity regarding the timing and value of repeated assessment of both spirometry and fractional exhaled nitric oxide (F eno ). Unfortunately, the article is unable to clearly answer this question.

[学科分类] 呼吸医学