Bronchial thermoplasty reduces gas trapping in severe asthma

BMC Pulmonary Medicine

Table 1 Dynamic Lung Function Pre and Post BT

Parameter	Baseline	6 months post	p
Prebronchodilator FEV₁ (litres)	1.50 ± 0.54	1.50 ± 0.56	NS
Prebronchodilator FEV₁ (%pred)	57.8 ± 18.9	58.7 ± 18.2	NS
Prebronchodilator VC (litres)	2.80 ± 0.90	2.80 ± 0.90	NS
Prebronchodilator VC (%pred)	88.2 ± 17.8	87.5 ± 18.2	NS
Prebronchodilator FEV₁/VC (%)	53.3 ± 12.3	53.9 ± 12.4	NS
Bronchodilator response FEV₁ (%)	10.9 ± 13.8	10.6 ± 16.0	NS
Postbronchodilator FEV₁ (litres)	1.65 ± 0.63	1.62 ± 0.69	NS

FEV₁ forced expiratory volume in 1 s, VC vital capacity, %pred percent predicted value

ISSN: 1471-2466