Table 3 Diaphragm excursion and peak inspiratory speed measured using DCR
Paper | N | Population | Age (years) | Height (cm) | Hemidiaphragm excursion* | Hemidiaphragm speed (peak)* | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
R deep | L deep | R tidal | L tidal | R deep | L deep | R tidal | L tidal | |||||
FitzMaurice et al. [30] | 21 | Contralateral (un-paralysed) side of diaphragm palsy cases | 61 ± 13 | 172 ± 10 | 25 ± 6 | 33 ± 15 | NA | NA | 40 ± 16 | 55 ± 21 | NA | NA |
FitzMaurice et al. [29] | 24 | Cystic fibrosis (before modulator drug treatment) | 27 ± 6 | 167 ± 10 | 18 ± 11 | 21 ± 11 | 11 ± 3 | 14 ± 6 | 22 ± 14 | 28 ± 11 | 13 ± 4 | 15 ± 4 |
Cystic fibrosis (after modulator drug treatment) | 27 ± 6 | 167 ± 10 | 26 ± 9 | 31 ± 11 | 14 ± 6 | 16 ± 8 | 31 ± 11 | 37 ± 16 | 16 ± 5 | 18 ± 6 | ||
FitzMaurice et al. [34] | 20 | Cystic fibrosis (during a pulmonary exacerbation) | 25 ± 7 | 164 ± 9 | 13 (6) | 18 (11) | 11 (7) | 12 (6) | 10 (6) | 13 (12) | 9 (6) | 9 (4) |
Cystic fibrosis (after treatment) | 25 ± 7 | 164 ± 9 | 19 (14) | 25 (16) | 13 (10) | 15 (10) | 15 (12) | 18 (11) | 10 (4) | 12 (5) | ||
Hida et al. [20] | 174 | Healthy volunteers | 57 ± 10 | 163 ± 9 | 49 ± 17 | 52 ± 16 | NA | NA | 27 ± 10 | 32 ± 12 | NA | NA |
Hida et al. [21] | 15 | COPD–GOLD 1–2 | 74 ± 10 | 163 ± 5 | 54 ± 17 | 61 ± 14 | NA | NA | 21 ± 9 | 25 ± 8 | NA | NA |
16 | COPD–GOLD 3–4 | 70 ± 9 | 163 ± 6 | 40 ± 15 | 44 ± 14 | NA | NA | 23 ± 10 | 26 ± 7 | NA | NA | |
31 | Healthy volunteers | 64 ± 5 | 162 ± 9 | 53 ± 15 | 40 ± 13 | NA | NA | 25 ± 10 | 34 ± 14 | NA | NA | |
Yamada et al. [18] | 47 | Healthy volunteers | 55 ± 10 | 162 ± 9 | NA | NA | 10 ± 4 | 15 ± 4 | NA | NA | 12 ± 4 | 17 ± 4 |
39 | COPD | 71 ± 8 | 163 ± 6 | NA | NA | 15 ± 6 | 17 ± 5 | NA | NA | 16 ± 5 | 19 ± 5 | |
Yamada et al. [16] | 172 | Healthy volunteers | 56 ± 10 | 164 ± 9 | NA | NA | 11 ± 4 | 15 ± 5 | NA | NA | 12 ± 4 | 16 ± 4 |