15 results
Prevalence of Common Nutritional Deficiencies and Supplement Recommendations in Bariatric Patients 
Calcium, Vitamin B1 (thiamine), Vitamin
Prevalence of Common Nutritional ... B1 (thiamine), ... Vitamin B12 (cobalamin ... Bariatric #Gastric #Bypass ... #Nutritional #Deficiencies
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... • Thiamine - Nausea ... B12 - Macrocytic ... Deficiencies #Gastric #Bypass ... #vitamin #nutrition
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Pernicious anemia, Bypass ... BrighamChiefs #Vitamin ... differential #diagnosis #causes
Nutrient Deficiencies and Supplementation Post Gastric Bypass Surgery
Nutrient Deficiencies:
 • Most frequent in the malabsorptive surgeries
Supplementation Post Gastric Bypass ... folate, iron, B12 ... • Persistent nausea ... Supplementation #Gastric #Bypass ... #Vitamin
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Polyphenol / tannins, ↓ Vitamin ... C • ↓ Absorption ... Iron #Deficiency #Causes ... diagnosis #anemia #nutrition
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... Decreased calcium absorption ... • Vitamin D deficiency ... - Intestinal bypass ... Differential #Diagnosis #Causes
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... diagram shows normal absorption ... most possible causes ... The vitamin B12 ... #Differential #Causes
Complications after Bariatric Surgery
Post Bariatric Intestinal Failure:
 • Severe protein malnutrition after bariatric surgery
 • More
common after distal bypass ... hyperglycemia and vitamin ... causes increased ... free • ↑ oxalate absorption ... an option for bypass
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... • Common Causes ... PA - impaired absorption ... @taleanski #Vitamin ... diagnosis #management #nutrition
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
Manifestations Causes ... TPN - Gastric bypass ... surgery • Poor absorption ... Malnutrition - Gastric bypass ... syndromes #beriberi #nutrition