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. 2017 Nov 15;8(11):464–474. doi: 10.4239/wjd.v8.i11.464

Table 1.

Schedule of biochemical and nutritional assessments for the different bariatric procedures

Assessments Pre-operative 1 mo 3 mo 6 mo 12 mo 18 mo 24 mo Annually
MOC DEXA AGB, SG, RYGB, BPD1 AGB3, SG, RYGB, BPD1
Calcium AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1
Magnesium AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 RYGB, BPD1 RYGB, BPD1 RYGB, BPD1
Phosphorus AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1
Zinc AGB, SG, RYGB, BPD2 RYGB, BPD1 RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2
Iron AGB, SG, RYGB, BPD2 RYGB, BPD1 RYGB, BPD1 AGB, SG, RYGB, BPD2 RYGB, BPD1 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2
Transferrin AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1
Ferritin AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1
Vitamin A AGB, SG, RYGB, BPD2 RYGB, BPD1 RYGB, BPD1 RYGB, BPD1 RYGB, BPD1 RYGB, BPD1
Vitamin E AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1
Vitamin D AGB, SG, RYGB, BPD2 RYGB, BPD2 RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2
Vitamin B1 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD1
Vitamin B6 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD1 AGB3, SG3, RYGB3, BPD1, 3
Vitamin B12 AGB, SG, RYGB, BPD1 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2
Parathormone AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2 AGB, SG, RYGB, BPD2
1

Useful, including all contents in the space;

2

Recommended, including all contents in the space;

3

Every 2-5 years. AGB: Laparoscopic adjustable gastric banding; SG: Sleeve gastrectomy; RYGB: Roux-en-Y gastric bypass; BPD: Biliopancreatic diversion.