Abstract
Introduction
Intragastric balloons (IGBs) have increased in popularity within the continuum of care for obesity. The FDA has approved 3 different devices with similar mechanisms of action and approved treatment durations. IGBs can offer help with weight loss to individuals with BMI 30–40 kg/m2 who do not qualify for bariatric surgery or who do not wish to undergo a surgical procedure for weight loss.
Methods
This is a review of available current literature regarding the efficacy and outcomes of IGBs for treatment of obesity and morbid obesity including randomized controlled trials (RCTs) and meta-analyses published from 2005 to 2017.
Results
Five RCTs reported weight-loss results of IGB treatment in terms of percentage of excess weight loss (%EWL). Devices were placed for 3–12 months duration and %EWL ranged from 25.1 to 50.3% at device removal and 18.8–57% 6 months later. Three RCTs reported percentage of total weight-loss (%TWL) results with IGB durations from 6 to 12 months ranging from 10.2 to 17.1% at the time of device removal. Three meta-analyses reported %EWL of 27.4–36.2% within 6 months of IGB treatment.
Conclusion
IGBs have favorable safety profiles and have shown significant short-term weight-loss improvement over lifestyle modification or pharmacotherapy. Further investigation is required to determine the long-term benefit of these devices for patients with obesity and morbid obesity as well as to monitor the devices’ long-term safety profiles.
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Vosburg, R.W., Kim, J. Intragastric Balloons: Indications, Options, Outcomes. Curr Surg Rep 5, 34 (2017). https://doi.org/10.1007/s40137-017-0197-y
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DOI: https://doi.org/10.1007/s40137-017-0197-y