About Movement Disorders
Movement disorders are a group of neurological conditions that affect the speed, fluency, quality, and ease of movement. The causes of movement disorders involve disruptions in the pathways of the motor cortex, basal ganglia, thalamus, and brain stem. These disruptions result in a lower output from the basal ganglia, leading to overactivity and release of normally suppressed movements. Vascular lesions can also disrupt the interconnecting fiber tracts between these structures, further contributing to movement disorders.
Non-modifiable risk factors are factors that cannot be changed or controlled. The non-modifiable risk factors for movement disorders include:
- Genetic predisposition
- Increasing age
- Previous history of stroke or vascular diseases
Modifiable risk factors are factors that can be influenced or changed. The modifiable risk factors for movement disorders include:
- Excessive salt intake
- Smoking
- Low physical activity
- Obesity
- Excessive alcohol consumption
It's important to note that these risk factors are not absolute predictors, and individual experiences may vary. It is always advisable to consult with a healthcare professional for personalized advice.
The most common early symptoms of movement disorders include:
- Tremor: Involuntary shaking or trembling of a body part, commonly the hands.
- Chorea/Ballism: Rapid, jerky, and uncontrollable movements of the limbs or face.
- Dystonia: Involuntary muscle contractions that cause twisting and repetitive movements or abnormal postures.
- Myoclonus: Sudden, brief muscle contractions or jerks.
As movement disorders progress or become more severe, additional symptoms may occur. Some common symptoms in later stages or with higher severity include:
- Difficulty with coordination and balance
- Slowness of movement, rigidity, and tremor
- Visual Disturbances
- Impairment in thinking, memory, and other cognitive functions.
- Mood changes
- Depression
- Anxiety
- Psychosis
It's important to note that these symptoms can vary depending on the specific movement disorder. If you experience any of these symptoms, it is recommended to consult with a healthcare professional for an accurate diagnosis and appropriate management.
To diagnose movement disorders, the following examinations, tests, and procedures are commonly performed:
- Physical exam: The healthcare provider will look for physical signs of a medical problem, such as pain, swelling, or abnormal movements.
- Lab tests: Blood tests and urine tests may be ordered to check for any underlying medical conditions or abnormalities.
- Imaging studies: X-rays or MRI scans may be recommended to visualize the brain and spinal cord and identify any structural abnormalities.
- Genetic testing: This involves analyzing samples of blood, saliva, or other tissues to identify changes in genes, chromosomes, or proteins that may be associated with movement disorders.
- Clinical procedures: These may include hearing tests, spinal taps (lumbar puncture), or other specialized procedures depending on the specific symptoms and suspected diagnosis.
To determine the stage or severity of movement disorders, additional examinations, tests, and procedures may be performed including:
- Neurologic examinations: These evaluations by a movement disorder specialist assess motor function, coordination, reflexes, and sensory responses.
- Neuropsychological testing: Comprehensive cognitive assessments can help evaluate cognitive function and detect any associated cognitive impairments.
- Deep brain stimulation (DBS) evaluation: For some individuals, a comprehensive evaluation for DBS surgery may include neurologic examinations and neuropsychological testing.
It's important to note that the specific diagnostic process may vary depending on individual symptoms and suspected diagnoses. Consult with your healthcare provider for personalized recommendations.
The goals of treatment are to improve movement, reduce symptoms, and enhance independence. Here are some recommended treatments and how they work:
- Medication types: Medications such dopamine agonists and anticholinergics can help manage symptoms by restoring the balance of chemicals in the brain involved in movement.
- Therapies: Physical therapy and occupational therapy can assist in improving mobility, strength, and coordination. Speech therapy may also be beneficial for addressing speech and swallowing difficulties.
- Therapeutic procedures: Deep brain stimulation (DBS) is a surgical procedure that involves implanting electrodes in specific areas of the brain to regulate abnormal electrical signals and alleviate symptoms.
- Health behavior changes: Engaging in regular exercise, maintaining a healthy diet, and managing stress can support overall well-being and potentially improve symptoms.
- Other treatments: Assistive devices like braces or orthotics can provide support and enhance mobility. Additionally, telepsychiatry may be utilized to increase access to psychiatric services for patients with movement disorders.
It's important to note that the choice of treatment depends on the specific type and severity of the movement disorder. Consulting with a healthcare professional is crucial to determine the most appropriate treatment plan for individual needs.
Medication dosing may be affected by many factors. Check with your health care professional about dosing for your individual situation. Other side effects can occur. Check with your health care professional or read the information provided with your medication for additional side effect information.