Table 2.
Pulmonary function and maximal ventilatory pressures before and after bariatric surgery
|
Variables (n = 16) |
Control (n = 36) |
Pre surgery |
After surgery (n = 16) |
p |
|---|---|---|---|---|
| (after vs. pre) | ||||
| FVC (L) |
3,06 ± 0,47 |
2,96 ± 0,63 |
3,33 ± 0,80 |
0,002** |
| FVC (% of pred.) |
102 ± 21,46 |
97,75 ± 18,65 |
110,50 ± 16,95 |
0,016** |
| FEV1 (L) |
2,45 ± 0,34 |
2,38 ± 0,52 |
2,71 ± 0,72 |
0,003** |
| FEV1 (%) |
97,57 ± 20,92 |
91,92 ± 21,24 |
107,00 ± 20,23 |
0,022** |
| FEV1/FVC (L) |
0,79 ± 0,08 |
0,80 ± 0,07 |
0,81 ± 0,07 |
ns |
| FEV1/FVC (% of pred.) |
79,43 ± 8,06 |
80,08 ± 7,28 |
81,50 ± 7,44 |
ns |
| MIP (cmH2O) |
|
|
|
|
| Female |
53,61 ± 17,63 |
52,67 ± 18,91 |
83,75 ± 10,78 |
0,002* |
| Male |
62,31 ± 21,32 |
61,18 ± 23,11 |
87,54 ± 9,83 |
0,004* |
| MEP (cmH2O) |
|
|
|
|
| Female |
52,37 ± 15,69 |
53,58 ± 16,88 |
80,50 ± 13,31 |
0,001* |
| Male | 62,31 ± 17,25 | 60,65 ± 18,36 | 84,96 ± 7,86 | 0,002* |
FEV1, Forced expiratory volume in the first second; FVC, Forced vital capacity; MEP, Maximal expiratory pressure; MIP, Maximal inspiratory pressure; * p derived by paired Student’s t test; ** p derived by Wilcoxon Test.