Vitamin B12 Deficiency: What are the consequences?

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Scientific publications on vitamin B12 and Bariatric Surgery

  1. Grange DK, Finlay JL. Nutritional vitamin B12 deficiency in a breastfed infant following maternal gastric bypass. Pediatr Hematol Oncol. 1994 May-Jun;11(3):311-8.

  2. Juhasz-Pocsine K, Rudnicki SA, Archer RL, Harik SI. Neurologic complications of gastric bypass surgery for morbid obesity. Neurology. 2007 May 22;68(21):1843-50.

  3. Becker DA, Balcer LJ, Galetta SL. The Neurological Complications of Nutritional Deficiency following Bariatric Surgery. J Obes. 2012;2012:608534. doi: 10.1155/2012/608534. Epub 2012 Jun 13

  4. Carvalho IR, Loscalzo IT, Freitas MF, Jordão RE, Friano Tde C. Incidence of vitamin B12 deficiency in patients submitted to Fobi-Capella Roux-en-Y bariatric surgery. Arq Bras Cir Dig. 2012 Mar;25(1):36-40..

  5. Vieira C, Cosmo C, Lucena R. The importance of methylmalonic acid dosage on the assessment of patients with neurological manifestations following bariatric surgery. Obes Surg. 2011 Dec;21(12):1971-4. Review

  6. Rudnicki SA. Prevention and treatment of peripheral neuropathy after bariatric surgery. Curr Treat Options Neurol. 2010 Jan;12(1):29-36

  7. Frank P, Crookes PF Short- and long-term surgical follow-up of the postbariatric surgery patient. Gastroenterol Clin North Am. 2010 Mar;39(1):135-46.

  8. Muñoz M, Botella-Romero F, Gómez-Ramírez S, Campos A, García-Erce JA. Iron deficiency and anaemia in bariatric surgical patients: causes, diagnosis and proper management. Nutr Hosp. 2009 Nov-Dec;24(6):640-54. Review

  9. Fernández-Bañares F, Monzón H, Forné M. A short review of malabsorption and anemia. World J Gastroenterol. 2009 Oct 7;15(37):4644-52. Review

  10. Celiker MY, Chawla A. Congenital B12 deficiency following maternal gastric bypass. J Perinatol. 2009 Sep;29(9):640-2

  11. von Drygalski A, Andris DA. Anemia after bariatric surgery: more than just iron deficiency. Nutr Clin Pract. 2009 Apr-May;24(2):217-26. Review

  12. Vargas-Ruiz AG, Hernández-Rivera G, Herrera MF. Prevalence of iron, folate, and vitamin B12 deficiency anemia after laparoscopic Roux-en-Y gastric bypass. Obes Surg. 2008 Mar;18(3):288-93. Epub 2008 Jan 23

  13. Iverson D, McKenzie M. Neurologic complications of gastric bypass surgery for morbid obesity. Neurology. 2008 Jan 22;70(4):324; author reply 324-5.

  14. Poitou Bernert C, Ciangura C, Coupaye M, Czernichow S, Bouillot JL, Basdevant A. Nutritional deficiency after gastric bypass: diagnosis, prevention and treatment. Diabetes Metab. 2007 Feb;33(1):13-24. Epub 2007 Jan 26. Review

  15. Shah M, Simha V, Garg A. Review: long-term impact of bariatric surgery on body weight, comorbidities, and nutritional status. J Clin Endocrinol Metab. 2006 Nov;91(11):4223-31. Epub 2006 Sep 5. Review

  16. A. C. L. Clark, C. C. BoothDeficiency of Vitamin B12 After Extensive Resection of the Distal Small Intestine in an Infant Arch Dis Child. 1960 December; 35(184): 595–599.

  17.  I. J. Wood, M. Ralston, B. Ungar, D. C. Cowling Vitamin B12 deficiency in chronic gastritis Gut. 1964 February; 5(1): 27–37.

  18. Rhode BM, Arseneau P, Cooper BA, Katz M, Gilfix BM, MacLean LD. Vitamin B-12 deficiency after gastric surgery for obesity. Am J Clin Nutr. 1996 Jan;63(1):103-9.

  19. Rhode BM, Tamin H, Gilfix BM, Sampalis JS, Nohr C, MacLean LD. Treatment of Vitamin B12 Deficiency after Gastric Surgery for Severe Obesity. Obes Surg. 1995 May;5(2):154-158.

  20. MacLean LD, Rhode BM, Shizgal HM. Nutrition following gastric operations for morbid obesity.Ann Surg. 1983 Sep;198(3):347-55