respiratory
Cystic fibrosis

Two blows better than three


A third forced spirometry blow is unnecessary in some patients say researchers whose study findings challenge existing guidelines. The study of 49 cystic fibrosis patients and 64 lung transplant patients compared the best FEV1 measurement from trials 1 and 2 with trial 3 and calculated the difference in litres and % predicted. The researchers from the Prince ...

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