Gastric Pouch Outlet Stenosis
The most common reason for referral to our practice of gastric bypass patients is postprandial vomiting, which is generally caused by gastric pouch outlet stenosis. The outlet was only 3-4 mm in the patient at left, and even smaller in the patient at center. Balloon dilation (right) generally alleviates the symptoms. One dilation session is often sufficient, but some patients require repeated dilations every few weeks for several sessions due to restenosis.
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