7. In 2007, van Dielen et al (n=41) revised 11 AGB and 30 VBG most of them by open approach. BMI decreased from 37.7 to 29.4 at 12 months while %EWL increased from 39.1% to 75.4% (p< 0.001). Major early (n=4) and late (n=10) complications were registered. No remission in comorbidities was observed35.