Review Article

Candidates for Bariatric Surgery: Morbidly Obese Patients with Pulmonary Dysfunction

Table 2

Pulmonary function after bariatric surgery—a review of principal studies.

AuthorsYear reportedCountryCase no.Postsurgery assessmentWeight loss (kg/m2)FEV1 (% predicted)FVC (% predicted) 𝑃 value
BeforeAfterBeforeAfterBeforeAfter

Weiner et al. [19]1998Israel216-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]2004Mexico301-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]2006Brazil391-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]2007Spain301-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]2008Italy221-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]2009USA1041-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]2011Taiwan943-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.