European Journal of Internal Medicine
Volume 21, Issue 2 , Pages 97-100 , April 2010

Functional vitamin B12 deficiency in alcoholics: An intriguing finding in a retrospective study of megaloblastic anemic patients

  • Alberto Fragasso

      Affiliations

    • Hematology Unit, Ospedale Madonna delle Grazie, ASM Matera, Italy
    • Corresponding Author InformationCorresponding author. U.S. di Ematologia, Ospedale Madonna delle Grazie, ASM Matera, Contrada Cattedra Ambulante, 75100 Matera, Italy. Tel.: +390835253032; fax: +390835253435.
  • ,
  • Clara Mannarella

      Affiliations

    • Hematology Unit, Ospedale Madonna delle Grazie, ASM Matera, Italy
  • ,
  • Angela Ciancio

      Affiliations

    • Hematology Unit, Ospedale Madonna delle Grazie, ASM Matera, Italy
  • ,
  • Andrea Sacco

      Affiliations

    • Internal Medicine Department, Ospedale Madonna delle Grazie, ASM Matera, Italy

Received 30 September 2009 ,Revised 4 November 2009 ,Accepted 30 November 2009.

References 

  1. Chanarin I. The megaloblastic anaemias. 3nd ed.. Oxford (England): Blackwell Scientific Publications; 1990;
  2. Stabler SP, Allen RH, Savage DG, Lindenbaum J. Clinical spectrum and diagnosis of cobalamin deficiency. Blood. 1990;76:871–881
  3. Carmel R, Green R, Rosenblatt DS, Watkins D. Update on cobalamin, folate, and homocysteine. Hematol. Am Soc Hematol Educ Program. 2003;62–81
  4. Lindenbaum J, Savage DG, Stabler SP, Allen RH. Diagnosis of cobalamin deficiency. II. Relative sensitivies of serum cobalamin, methylmalonic acid, and total homocysteine concentrations. Am J Hematol. 1990;34:99–107
  5. Savage DG, Lindenbaum J, Stabler SP, Allen RH. Sensitivy of serum methylmalonic acid and total homocysteine determinations for diagnosing cobalamin and folate deficiencies. Am J Med. 1994;96:239–246
  6. Chanarin I, Metz J. Diagnosis of cobalamin deficiency: the old and the new. Br J Hematol. 1997;97:695–700
  7. Hvas A-M, Ellegard J, Nexo E. Increase plasma methylmalonic acid level does not predict clinical manifestations of vitamin B12 deficiency. Arch Intern Med. 2001;161:1534–1541
  8. Ulleland M, Eilertsen I, Quadros EV, et al. Direct assay for cobalamin bound to transcobalamin (holo-transcobalamin) in serum. Clin Chem. 2002;48:526–532
  9. Miller JW, Garrod MG, Rockwood AL, et al. Measurement of total vitamin B12 and holotranscobalamin, singly and in combination, in screening for metabolic vitamin B12 deficiency. Clin Chem. 2006;52:278–285
  10. Hvas AM, Nexo E. Holotranscobalamin: a first choice assay for diagnosing early cobalamin deficiency?. J Intern Med. 2005;257:289–298
  11. Ermens AA, Vlasveld LT, Lindemans J. Significance of elevated cobalamin (vitamin B12) levels in blood. Clin Biochem. 2003;36:858-590
  12. Baker H, Leevy CB, De Angelis B, Frank O, Baker ER. Cobalamin (vitamin B12) and holotranscobalamin changes in plasma and liver tissue in alcoholics with liver disease. Am Coll Nutr. 1998;17:235–238
  13. Toh BH, van Driel IR, Gleeson PA. Perniciuos anemia. N Engl J Med. 1997;20:1441–1448
  14. Solomon LR. Cobalamin-responsive disorders in the ambulatory care setting: unreliability of cobalamin, methyilmalonic acid, and homocysteine testing. Blood. 2005;105:978–985
  15. Devalia V. Diagnosing vitamin B-12 deficiency on the basis of serum B-12 assay. BMJ. 2006;333:385–386
  16. Kanazawa S, Herbert V. Total corrinoid, cobalamin (vitamin B12), and cobalamin analogue levels may be normal in serum despite cobalamin in liver depletion in patients with alcoholism. Lab Invest. 1985;53:108–110
  17. Lambert D, Benhayoun S, Adjalla C, et al. Alcoholic cirrhosis and cobalamin metabolism.. Digestion. 1997;58:64–71
  18. Himmerich H, Anghelescu I, Klawe C, Szegedi A. Vitamin B12 and hepatic enzyme serum levels correlate in male alcohol-dependent patients. Alcohol Alcohol. 2001;36:26–28
  19. Solomon LR. Oxidant stress as a cause of clinically significant “functional” cobalamin deficiency. Blood. 2008;ASH Annual Meeting Abstract 2877
  20. Hagelskjaer L, Rasmussen K. Methylmalonic acid concentration in serum not affected in hepatic disease. Clin Chem. 1992;38:493–495
  21. Healton EB, Savage DG, Brust JCM, Garrett TJ, Lindenbaum J. Neurologic aspects of cobalamin deficiency. Medicine. 1991;70:229–245

PII: S0953-6205(09)00243-X

doi: 10.1016/j.ejim.2009.11.012

European Journal of Internal Medicine
Volume 21, Issue 2 , Pages 97-100 , April 2010