Table 2.

Gastrointestinal peptides hormones after bariatric surgery

Hormone	Bariatric surgery	Blood hormone levels
Peptide YY	RYGB	Increased postprandially
Glucagon-like peptide 1	RYGB	Increased postprandially
Glucose-dependent insulinotropic peptide	RYGB and AGB	Increased postprandially
Oxyntomodulin	RYGB	Increased postprandially
Ghrelin	RYGB and SG	Low Fasting and Postprandially
Pancreatic polypeptide	RYGB	Decreased
Cholecystokinin	VBG	Increased

RYGB: Roux Y gastric bypass surgery; AGB: Adjustable gastric band; SG: Vertical sleeve gastrectomy; VBG: Vertical banded gastroplasty.