Integrated Health Nutritional Guidelines for the Surgical Weight Loss Patient: Micronutrients
Publication Date: January 1, 2017
Last Updated: March 14, 2022
1. Pre-WLS Nutrient Screening Recommendations
Thiamin
Routine pre-WLS screening* is recommended for all patients. (C, , 3)
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2. Post-WLS Nutrient Screening Recommendations
Thiamin
Routine post-WLS screening* is recommended for high-risk WLS groups: (B, , 2)
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- Patients with risk factors for TD
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- Patients not attending a nutritional clinic after surgery
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- Patients with GI symptoms (intractable nausea and vomiting, jejunal dilation, mega-colon, or constipation)
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- Patients with concomitant medical conditions such as cardiac failure (especially those receiving furosemide)
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If signs and symptoms or risk factors are present in post-WLS patients, thiamin status should be assessed at least during the first 6 mo, then every 3–6 mo until symptoms resolve. (B, , 2)
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Title
Integrated Health Nutritional Guidelines for the Surgical Weight Loss Patient: Micronutrients
Authoring Organization
American Society for Metabolic and Bariatric Surgery