Manganism

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Manganism[edit | edit source]

Manganese on the periodic table

Manganism is a neurological disorder caused by chronic exposure to manganese (Mn), a chemical element that is essential in small amounts but can be toxic in higher concentrations. This condition is characterized by symptoms similar to those of Parkinson's disease, including tremors, difficulty walking, and facial muscle spasms.

Causes[edit | edit source]

Manganism is primarily caused by prolonged exposure to manganese dust or fumes. This exposure is common in certain occupational settings, such as welding, mining, and steel manufacturing. Manganese is used in the production of alloys, batteries, and fertilizers, which can lead to increased risk of exposure for workers in these industries.

Symptoms[edit | edit source]

The symptoms of manganism can be divided into early and late stages:

  • Early symptoms:
 * Fatigue
 * Headache
 * Muscle cramps
 * Emotional instability
  • Late symptoms:
 * Tremors
 * Difficulty walking
 * Muscle rigidity
 * Speech disturbances
 * Facial muscle spasms

Diagnosis[edit | edit source]

Diagnosis of manganism involves a combination of clinical evaluation and exposure history. Neurological examinations are conducted to assess motor function and cognitive abilities. Imaging techniques such as MRI may be used to detect changes in the brain associated with manganese exposure.

Treatment[edit | edit source]

Treatment for manganism focuses on reducing manganese exposure and managing symptoms. Chelation therapy with agents such as EDTA may be used to remove excess manganese from the body. Supportive therapies, including physical therapy and medications to manage symptoms, are also important components of treatment.

Prevention[edit | edit source]

Preventing manganism involves minimizing exposure to manganese in occupational settings. This can be achieved through the use of protective equipment, proper ventilation, and adherence to safety regulations. Regular monitoring of manganese levels in the workplace and health surveillance of workers can also help prevent the onset of manganism.

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Contributors: Prab R. Tumpati, MD