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metabolic complications of bariatric surgery - Department of Surgery ...

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Anemia<br />

• 36.8 % (post GB)<br />

• 3.5% require transfusion<br />

• Iron deficiency 20-49%<br />

– Decreased stomach acid<br />

– No exposure <strong>of</strong> nutrients to duodenum and proximal<br />

jejunum<br />

• B12 deficiency 26-70%<br />

– Decreased intake<br />

– Diminished intrinsic factor secretion<br />

• Folate deficiency 9-35%

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