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Weight regain after gastric bypass: etiology and treatment options

	author = {Almantas Maleckas and Rita Gudaitytė and Rūta Petereit and Linas Venclauskas and Džilda Veličkienė},
	title = {Weight regain after gastric bypass: etiology and treatment options},
	journal = {Gland Surgery},
	volume = {5},
	number = {6},
	year = {2016},
	keywords = {},
	abstract = {Roux-en-Y gastric bypass (RYGB) is one of the most common operations performed for the patients with morbid obesity. Weight regain (WR) is a complication that may decrease efficiency of the surgical treatment and demand further interventions. Different factors including lifestyle, mental health, hormonal/metabolic and surgical plays role in WR after RYGB. Various treatment options have been proposed for WR. Conservative treatment is less effective than surgery. Endoscopic refashioning of gastric pouch/stoma fails to achieve sustainable weight loss. Surgical reduction of pouch has acceptable short-term results, but WR after 3 years is substantial. Banded gastric bypass achieves good short-term results, but long-term follow-up data are needed. Distalization of RYGB has a high risk of protein calorie malnutrition (PCM) and conversion to BP diversion (BPD)/duodenal switch (DS) is a technically demanding procedure. Both procedures achieve sustainable long-term weight loss. More studies are needed to explore long-term results of various surgical interventions for WR after RYGB.},
	issn = {2227-8575},	url = {}