Thiamine deficiency

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(Redirected from Infantile beriberi)

Thiamine deficiency is a medical condition that arises due to inadequate levels of thiamine (vitamin B1) in the body. It is typically seen in populations with poor nutritional intake or issues with thiamine absorption or utilization.

COLLECTIE TROPENMUSEUM Beri-beri patient TMnr 10006754

Introduction and Causes[edit | edit source]

  • Thiamine is a critical vitamin involved in energy metabolism and nerve function. The body cannot produce it, which makes dietary intake essential. Foods rich in thiamine include whole grains, meat, and fish.
  • The leading causes of thiamine deficiency include inadequate dietary intake, alcoholism, malabsorption disorders, and increased requirement during pregnancy or breastfeeding. Thiamine deficiency is also common in individuals with chronic conditions like cancer, HIV/AIDS, and diabetes.

Symptoms and Conditions Related[edit | edit source]

  • Clinical manifestations of thiamine deficiency can vary widely, including:
  • Beriberi: Characterized by damage to nerves and heart, often resulting in heart failure and edema.
  • Wernicke-Korsakoff syndrome: A neurologic condition often seen in chronic alcoholics, characterized by mental confusion, eye movement disorders, and difficulty with muscle coordination.
  • Leigh's disease: A rare genetic disorder that affects the central nervous system.

Diagnosis[edit | edit source]

Diagnosis of thiamine deficiency is primarily clinical, based on dietary history and symptoms. Lab tests can measure blood thiamine levels, but they are not always reliable. Some clinicians might perform a thiamine challenge, where symptoms are observed before and after a dose of thiamine.

Treatment[edit | edit source]

Treatment involves thiamine supplementation, either orally or intravenously, depending on the severity of symptoms. Dietary changes to include thiamine-rich foods are also recommended.

Prevention[edit | edit source]

Preventing thiamine deficiency involves ensuring adequate intake of thiamine-rich foods, particularly in at-risk populations. This can be accomplished through dietary changes or vitamin supplementation.

Prognosis[edit | edit source]

With early detection and proper treatment, the prognosis for thiamine deficiency is generally excellent. However, if left untreated, severe thiamine deficiency can lead to irreversible neurological damage or death.

References[edit | edit source]


Thiamine deficiency Resources

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