Vitamin-B12 Deficiency in Pregnancy and the Puerperium
نویسندگان
چکیده
منابع مشابه
Vitamin B12 Deficiency
Functional vitamin B12 deficiency is a syndrome where a wide variety of symptoms in the presence of “normal” serum levels of the vitamin respond to vitamin B12 therapy. A series of patients with functional vitamin B12 deficiency are described whose presenting features were drenching night sweats and fatigue. Reliance on serum vitamin B12 levels as a diagnostic test would have obscured the cause...
متن کاملVitamin B12 deficiency.
Patients with subacute combined degeneration who smoked had significantly lowered plasma thiocyanate levels than control smokers, but plasma thiocyanate levels in non-smoking patients with neurological disease due to vitamin B1, deficiency were not significantly different from control values. The results provide no support for the hypothesis that chronic cyanide intoxication is responsible for ...
متن کاملVitamin B12 deficiency.
Haematology, Guy’s and St Thomas’ NHS Foundation Trust, London, UK Correspondence to: A Hunt [email protected] Cite this as: BMJ 2014;349:g5226 doi: 10.1136/bmj.g5226 Vitamin B12 is an essential cofactor that is integral to methylation processes important in reactions related to DNA and cell metabolism, thus a deficiency may lead to disruption of DNA and cell metabolism and thus have serious c...
متن کاملVitamin B12 Deficiency and Thrombosis
Purpose: Thromboembolic diseases are multi-factorial. Hyperhomocysteinemia (HH) is one of these factors. Vitamin B12 deficiency is acquired reasons for HH. HH is a risk factor for arterial and venous thrombosis. The incidence of thrombosis is high due to increase of homocystein levels in HH associated with vitamin B12 deficiency. However, this situation is not clear and there are opposing views...
متن کاملVitamin B12 deficiency in the elderly.
Vitamin B12 deficiency is estimated to affect 10%-15% of people over the age of 60, and the laboratory diagnosis is usually based on low serum vitamin B12 levels or elevated serum methylmalonic acid and homocysteine levels. Although elderly people with low vitamin B12 status frequently lack the classical signs and symptoms of vitamin B12 deficiency, e.g. megaloblastic anemia, precise evaluation...
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ژورنال
عنوان ژورنال: BMJ
سال: 1962
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.5293.1658