Journal of Obesity / 2012 / Article / Tab 2 / Review Article
Candidates for Bariatric Surgery: Morbidly Obese Patients with Pulmonary Dysfunction Table 2 Pulmonary function after bariatric surgery—a review of principal studies.
Authors Year reported Country Case no. Postsurgery assessment Weight loss (kg/m2 ) FEV1 (% predicted) FVC (% predicted)
𝑃
valueBefore After Before After Before After Weiner et al. [19 ] 1998 Israel 21 6-month
4
1
.
4
±
1
.
3
3
1
.
7
7
±
1
.
1
8
3
.
2
±
4
.
8
8
6
.
3
±
4
.
5
7
5
.
6
±
3
.
2
8
4
.
6
±
4
.
3
<0.05 Dávila-Cervantes et al. [20 ] 2004 Mexico 30 1-year
4
4
.
0
±
4
.
0
3
2
.
0
±
4
.
0
89 (54–117) 103 (85–131) 84 (53–116) 97.5 (84–123) <0.01 Santana et al. [22 ] 2006 Brazil 39 1-year
5
2
.
5
±
1
0
.
5
3
5
.
8
±
9
.
1
%**
9
2
.
5
±
1
7
1
0
4
.
4
±
1
3
9
3
.
1
±
1
4
.
9
1
0
5
.
4
±
1
3
.
1
<0.05 Martí-Valeri et al. [23 ] 2007 Spain 30 1-year
5
6
.
5
±
8
.
4
3
2
.
1
±
5
.
9
7
7
.
6
±
1
4
.
4
1
0
4
.
2
±
2
9
.
5
8
2
.
0
±
1
2
.
7
1
1
4
.
6
±
1
5
.
4
<0.01 Maniscalco et al. [16 ] 2008 Italy 22 1-year
4
5
.
2
±
4
.
7
3
4
.
8
±
4
.
2
8
3
.
0
±
1
4
.
4
8
7
.
2
±
1
4
.
9
8
7
.
8
±
1
3
.
5
9
5
.
2
±
1
0
.
7
<0.05 Nguyen et al. [24 ] 2009 USA 104 1-year
4
8
±
6
5
4
±
2
3
%
∗
∗
100 (baseline)
1
1
2
±
1
6
%
100 (baseline)
1
0
9
±
1
6
%
<0.01 Wei et al. [25 ] 2011 Taiwan 94 3-month
4
3
.
4
±
7
.
3
3
5
.
8
±
6
.
5
9
1
.
8
±
1
5
.
3
9
7
.
7
±
1
3
.
7
9
2
.
8
±
1
5
.
0
9
7
.
6
±
1
3
.
4
<0.01
*Data are presented as mean ± SD or median (range).
**Weight loss of mean ± SD% of the initial weight. FEV1 : forced expiratory volume in the first second; FVC: forced vital capacity.