Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: vitamin B12 status in patients of Turkish and Dutch descent with depression: a comparative cross-sectional study. | Annals of General Psychiatry BioMed Central Primary research Open Access Vitamin B12 status in patients of Turkish and Dutch descent with depression a comparative cross-sectional study Yener Guzelcan 1 2 and Peter van Loon2 Address Department of Psychiatry Erasmus MC University Medical Centre Rotterdam The Netherlands and 2Department of Transcultural Psychiatry Rijnmond Regional Mental Health Centre Rotterdam The Netherlands Email Yener Guzelcan - yguzelcan@ Peter van Loon - pvanloon@ Corresponding author Published 13 August 2009 Received 19 June 2009 Annals of General Psychiatry 2009 8 18 doi l744-859X-8-l 8 Accepted 13 August 2009 This article is available from http content 8 l l8 2009 Guzelcan and van Loon licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Studies have shown a clear relationship between depressive disorders and vitamin Bl2 deficiency. Gastroenteritis and Helicobacter pylori infections can cause vitamin Bl2 deficiency. Helicobacter pylori infections are not uncommon among people of Turkish descent in The Netherlands. Aim To examine the frequency of vitamin Bl2 deficiency in depressive patients of Turkish descent and compare it to the frequency of vitamin Bl2 deficiency in depressive patients of Dutch descent. Methods The present study is a comparative cross-sectional study of 47 patients of Turkish descent and 28 of Dutch descent. The depressive disorder diagnosis and differential diagnosis were made using the Structured Clinical Interview for the Diagnostic and Statistical Manual of Mental Disorders fourth edition text revision SCID . The severity of the depressive symptoms was determined using the Beck Depression
