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Chorea - Causes, Symptoms, Diagnosis and Treatment

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A neurological condition called chorea is marked by jerky, disoriented, and rapid movements of the limbs, face, and trunk.

Medically reviewed by

Dr. Abhishek Juneja

Published At February 5, 2024
Reviewed AtFebruary 5, 2024

What Is Chorea?

The neurological condition known as chorea, which comes from the Greek word "choreia," which means "dance," is characterized by rapid, erratic, and uncontrollable movements of the limbs, face, and trunk. These motions frequently have the appearance of being jerky and disoriented, much like a dance. From young toddlers to the elderly, chorea can affect nearly everyone and may be a symptom of several underlying illnesses. The overall 5-year survival rate for cancer is 67 percent; however, this might differ significantly based on the cancer's type and stage. Individual outcomes are unpredictable due to various factors that affect life expectancy, including age, general health, treatment success, and malignancy characteristics.

What Are the Causes and Risk Factors of Chorea?

Several factors, such as genetic mutations, specific drugs, metabolic disorders, and infections, can result in chorea. One of the most recognized causes of chorea is Huntington's disease, a genetic disorder marked by an ongoing degradation of brain tissue. Chorea can also result from other genetic disorders, including neuro-acanthocytosis and Wilson's disease. Apart from hereditary predispositions, specific medications like antipsychotics and anti-seizure treatments can also cause chorea. Chorea can also result from metabolic diseases, including hyperthyroidism and liver failure. Moreover, streptococcal infections can cause complications such as Sydenham's chorea, which can lead to the onset of chorea. It is important to understand that although these factors raise the chance of acquiring chorea, only certain individuals exposed to them will experience the illness. Genetic predisposition and external factors will determine who gets impacted more.

What Are the Types of Chorea?

Different forms of chorea can be distinguished according to their underlying causes and characteristics.

  • The most prevalent form is Huntington's disease (HD), an inherited condition brought on by a huntingtin gene mutation. The symptoms of Huntington's disease usually appear in mid-adulthood and worsen over time, resulting in neurological problems and cognitive deterioration.

  • Sydenham's chorea is a different type of chorea that is linked to streptococcal infections and rheumatic fever. Children are the main sufferers of Sydenham's chorea, characterized by abrupt, uncontrollable movements of the hands, feet, and face.

  • Another type of chorea that can result from taking certain medications is drug-induced chorea. In certain people, antipsychotics, anti-seizure medications, and some anti-nausea treatments have been shown to cause symptoms similar to those of chorea.

What Are the Signs and Symptoms of Chorea?

The uncontrollable, irregular motions that characterize chorea are distinctive. The intensity of these twitches might vary, from slight twitches to more noticeable and unsettling jerking actions. Any area of the body, including the face, limbs, and trunk, might be affected by chorea. The movements could happen periodically in some situations or continuously in others. Apart from the recognizable motions, people with chorea may also have trouble moving their muscles voluntarily, have weak muscles, and have poor coordination. Difficulties with speech and swallowing may also develop, which affect an individual's ability to eat and communicate efficiently. Chorea can also result in emotional and cognitive disturbances, such as irritation, mood swings, and memory issues.

How to Diagnose Chorea?

A chorea diagnosis necessitates a comprehensive evaluation of the patient's medical history, a physical examination, and specialized tests. The doctor will ask about any family history of chorea or comparable illnesses, the beginning and course of the symptoms, probable triggers, and underlying medical issues. The doctor will watch the patient move during the physical examination, searching for the recognizable erratic and uncontrollable movements associated with the chorea. The doctor might also evaluate balance, coordination, and muscle strength. The physician may recommend blood tests, genetic testing, and imaging to verify the diagnosis and rule out other conditions.

What Are the Treatment Options for Chorea?

The fundamental cause and the intensity of symptoms determine how to treat chorea. When chorea is a sign of an underlying illness, treating that illness takes precedence. For example, Huntington's disease treatment aims to enhance the patient's quality of life by providing supportive care and symptom relief. Prescription drugs may assist in managing the involuntary movements brought on by chorea. Benzodiazepines, antiepileptic medicines, and dopamine-depleting drugs are a few examples of these medications. Moreover, physical and occupational therapy can be very helpful in enhancing general function, muscle strength, and coordination. For people with severe and fatal chorea, deep brain stimulation (DBS) may be advised in some circumstances. Deep brain stimulation entails implanting electrodes in particular brain regions to regulate aberrant electrical activity and reduce symptoms.

What Are the Research and Advancements in Chorea Treatment?

The understanding and management of chorea will continue progressing along with advances in medical knowledge and technology. Researchers consistently investigate new strategies and treatments to improve cancer patients' quality of life. Gene therapy is one field of study that tries to fix the genetic abnormalities causing chorea. Since gene therapy addresses the underlying cause of the disease, it holds potential as a long-term treatment. Furthermore, improvements in biomarker research and neuroimaging methods might help in the early monitoring and diagnosis of chorea, enabling prompt therapies. Additionally, clinical trials are being conducted to assess the effectiveness of new drugs and therapies. Through these studies, people with chorea can participate in research and possibly gain access to cutting-edge therapies.

What Are the Coping Strategies for Living With Chorea?

There are several difficulties associated with having chorea, both psychologically and physically. To help people effectively manage the illness, coping strategies and support networks are offered. Firstly, it is critical to have a solid support system. Family, friends, and support groups of others going through comparable struggles fall under this category. Support groups offer a secure environment for emotional support, coping strategy exchange, and experience sharing. A healthy lifestyle, including a balanced diet, regular exercise, and sufficient sleep, can effectively manage chorea symptoms and promote overall well-being. Engaging in stress-relieving activities like hobbies or meditation might also be advantageous.

Conclusion:

Although the causes, symptoms, and available treatments for chorea remain unclear, much progress has been made in understanding this neurological illness. People living with chorea can find hope and useful management techniques through additional research, medical advancements, and support networks. People may work toward a better quality of life and a more promising future for those diagnosed with chorea by exploring deeper into the complexities behind this condition.

Dr. Abhishek Juneja
Dr. Abhishek Juneja

Neurology

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sydenham choreahuntington's disease
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