In some patients, the oral route may be unusable for long periods of time or even permanently. This includes patients with indications given by Nos. 2, 3, and 5 in the list near the beginning of the article. In these patients, a percutaneous endoscopic gastro-stomy is placed, and the patients are trained to feed themselves during the night and disconnect themselves during the day to go to school or work. This technique is invaluable to get patients with ''gut failure'' out of the hospital and rehabilitated.
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