|
Lung volumes measured by multi-slice computer tomography |
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| Pre-recruitment maneuver |
Post-recruitment maneuver |
P-value |
fractional change (%) |
|
|
|
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| Expiration |
||||
| VHYP (ml) |
60 ± 21 |
67 ± 28 |
0.025 |
11.2 ± 10 |
| VNORM (ml) |
577 ± 142 |
649 ± 206 |
0.036 |
11.0 ± 12 |
| VPOOR (ml) |
406 ± 83 |
493 ± 112 |
0.017 |
21.7 ± 18 |
| VNON (ml) |
357 ± 53 |
275 ± 72 |
0.012 |
-23.3 ± 15 |
| VTOT (ml) |
1401 ± 136 |
1483 ± 175 |
0.025 |
5.8 ± 5 |
| VGAS (ml) |
629 ± 83 |
711 ± 133 |
0.012 |
13.1 ± 10 |
| VTISS (ml) |
838 ± 62 |
832 ± 60 |
0.263 |
- |
| Inspiration |
||||
| VHYP (ml) |
109 ± 38 |
115 ± 42 |
0.093 |
- |
| VNORM (ml) |
789 ± 140 |
889 ± 197 |
0.012 |
12.4 ± 12 |
| VPOOR (ml) |
397 ± 94 |
478 ± 124 |
0.017 |
20.9 ± 18 |
| VNON (ml) |
295 ± 54 |
232 ± 75 |
0.012 |
-22.3 ± 16 |
| VTOT (ml) |
1589 ± 139 |
1713 ± 150 |
0.012 |
7.9 ± 5 |
| VGAS (ml) |
838 ± 84 |
939 ± 128 |
0.012 |
12.5 ± 8 |
| VTISS (ml) |
819 ± 56 |
838 ± 64 |
0.263 |
- |
|
Data are reported as mean ± SD. VGAS, total lung gas volume; VHYP, hyperinflated lung volume; VNON, non-aereated lung volume; VNORM, normally aereated lung volume; VPOOR, poorly aerated lung volume; VTISS, total lung tissue volume; VTOT, total lung volume. | ||||
Henzler et al. Critical Care 2005 9:R471 doi:10.1186/cc3772 |
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