Bariatric surgery: A primer

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Figure 1
Bariatric surgical procedures: A) Laparoscopic adjustable gastric banding; B) vertical banded gastroplasty; C) laparoscopic sleeve gastrectomy; D) Roux-en-Y gastric bypass; E) biliopancreatic diversion; F) jejunoileal bypass.

Table 1.

Weight loss after bariatric surgery

PROCEDURE	MAXIMUM TOTAL WEIGHT LOSS AFTER 1–2 Y, %	AVERAGE TOTAL WEIGHT LOSS AFTER 10 Y,30 %	EXCESS WEIGHT LOSS AFTER 8–12 MO, %
Vertical banded gastroplasty	25	32	61.6
Laparoscopic adjustable gastric banding	20	35	47.5
Roux-en-Y gastric bypass	32	42	NA
Sleeve gastrectomy	NA	NA	40–46

NA—not available.
Data from Sjöström et al,15 Lim et al,20 Foster,21 Cummings et al,22 Micucci et al,23 and Seagle et al,24 and Gleysteen and Barboriak.25

Table 2.

Follow-up recommendations after bariatric surgery

PROCEDURE	4–6 WK	MONTHLY	3 MO	6 MO	9 MO	12 MO	18 MO	ANNUALLY
Laparoscopic adjustable gastric banding	Surgeon Dietitian	Surgeon (band fill visit)	Dietitian	Dietitian Laboratory examinations	Dietitian	Dietitian	NA	Dietitian Laboratory examinations
Roux-en-Y gastric bypass	Surgeon Dietitian	NA	Surgeon Dietitian Laboratory examinations	Surgeon Dietitian Laboratory examinations	Surgeon Dietitian	Surgeon Dietitian Laboratory examinations	Dietitian Laboratory examinations	Surgeon Dietitian Laboratory examinations
Sleeve gastrectomy	Surgeon Dietitian	NA	Surgeon Dietitian	Surgeon Dietitian	Surgeon Dietitian	Surgeon Dietitian	Dietitian Laboratory examinations	Surgeon Dietitian Laboratory examinations