Initial Japanese Experience with Intragastric Balloon Placement
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We introduced intragastric balloon placement in Japan and evaluated the initial data.
Between December 2004 and March 2008, intragastric balloons [BioEnterics® Intragastric Balloon (BIB®) system] were placed in 21 Japanese patients with obesity [six women, 15 men; mean age 40 ± 9 years; mean body mass index (BMI) 40 ± 9 kg/m2]. The inclusion criteria were morbid obesity (BMI ≥ 35 kg/m2), the presence of obesity-related disorders, and failure with conventional treatments for at least 6 months. The balloon was routinely removed under endoscopy after 5 months.
No serious complications occurred, but in two of the 21 patients (9.5%), early removal (within 1 week) of the balloon was required due to continuous abdominal discomfort. Two other patients (9.5%) could not control their eating behavior and were considered unresponsive to the treatment, and their balloons were also removed before 5 months. Seventeen of the 21 patients (81%) finished the treatment, and the average weight loss and percent excess weight loss (%EWL) at the time the balloons were removed were 12 ± 5 kg and 27 ± 9%, respectively. Eight patients were followed for 1 year without intervention of consecutive bariatric surgery, and at that time, four of these patients had kept more than 20% of %EWL. The other patients regained their weight in the first year.
Intragastric balloon placement is a safe and effective procedure in obese Japanese patients, and about half of the patients will maintain their weight loss after the balloon is removed.
KeywordsMorbid obesity Obesity Intragastric balloon Endoscopy Weight loss
We thank Ms. Kazuyo Adachi and Yukiko Ishibashi for prescription and supervision of diet and Ms. Miho Sato and Midori Kono for patient management.
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