and patients with pernicious anemia who have optic neuropathy COBALAMIN (Vitamin B12) Deficiency Causes Vegetarians (dietary deficiency) Older adults: atrophic gastritis affects 10% 30% and leads to decrease in hydrochloric acid secretion in the stomach and decreased absorption of Vitamin B12 The liver can store up to six years worth of Vitamin B12 so deficiencies are rare Effects of deficiency Megaloblastic anaemia (pernicious anaemia) Progressive demyelination of nerve cells Elevation in levels of circulating homocysteine that leads to production of defective collagen and elastin with a negative impact on arteries, bone and skin Deep vein thrombosis is associated with homocysteinemia that causes the activation of the intrinsic coagulation cascade Symptoms include fatigue, weakness, constipation, loss of appetite and weight loss Numbness, tingling of the feet imbalance, depression, confusion, dementia, poor memory and glossitis
If surgery is more than six weeks away, I often have a repeat blood test before the operating date to confirm levels are rising
In-vitro work also explores its interaction with growth-factor receptors and its effects on cell migration and proliferation in wound-model assays
When to recheck vitamin B12 levels after intramuscular vitamin B12 (cobalamin) injection?
The goal is to provide a cautionary, evidence-based perspective for both curious patients and physicians
For example, Researchers reported improved exercise endurance in mice
