Abstract
Background
Very few studies have reported results of the BioEnterics Intragastric Balloon (BIB®) at ≥12 months follow-up. The aim of this study is the retrospective evaluation of the results of BIB placement compared to diet regimen alone.
Methods
From January 2005 to June 2006, 130 outpatients underwent a structured diet plan with simple behavioral modification at our institutions. Controls (n = 130) were selected from the charts of patients who, during the same period, underwent BIB treatment. Patients in the outpatient group were given a structured balanced diet with a caloric intake between 1,000 and 1,200. The approximate macronutrient distribution, according the “Mediterranean diet,” was 25% protein (at least 60 g/day), 20–25% lipids, and 50–55% carbohydrates. In the BIB group, patients received generic counseling for eating behavior. In both groups, we considered weight loss parameters (kilograms, percentage of excess weight loss [%EWL], body mass index [BMI], percentage of excess BMI loss [%EBL]) at 6 and 24 months from baseline and comorbidities at baseline and after 24 months. Results are expressed as mean±standard deviation. Statistical analysis was done by Student’s t-test and χ 2-test or Fisher’s exact test. p < .05 was considered significant.
Results
At the time of BIB removal (6 months), significantly better results in terms of weight loss in kilograms (16.7 ± 4.7 vs. 6.6 ± 2.6; p < 0.01), BMI (35.4 ± 11.2 vs. 38.9 ± 12.1; p < 0.01), %EBL (38.5 ± 16.1 Vs 18.6 ± 14.3; p < 0.01), and %EWL (33.9 ± 18 vs. 24.3 ± 17.0; p < 0.01) were observed in patients treated by intragastric balloon as compared to diet-treated patients. At 24 months from baseline, patient dropout was 1/130 (0.7%) and 25/130 (19.2%) in the BIB and diet groups, respectively (p < 0.001). At this time, patients treated with intragastric balloon have tended to regain weight, whereas diet-treated patients have already regained most of lost weight.
Conclusions
Although the strength of this study may be limited by its retrospective design, the results indicate that, in the short-to-medium term, BIB is significantly superior to diet in terms of weight loss.
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Genco, A., Balducci, S., Bacci, V. et al. Intragastric Balloon or Diet Alone? A Retrospective Evaluation. OBES SURG 18, 989–992 (2008). https://doi.org/10.1007/s11695-007-9383-9
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DOI: https://doi.org/10.1007/s11695-007-9383-9