
Sydenham chorea (SC), or rheumatic chorea, is one of the major clinical manifestations of acute rheumatic fever (ARF) and is the most common form of acquired chorea in childhood. It is a movement disorder characterized by chorea (involuntary brief, random and irregular movements of the limbs and face), emotional lability, and hypotonia.
What is the difference between Sydenham chorea and Rheumatic Chorea?
Rheumatic Chorea is also commonly used with the term Sydenham Chorea. Sydenham chorea is a movement disorder that occurs after infection with certain bacteria called group A streptococcus.
What causes chorea in rheumatic fever?
It is caused by an autoimmune reaction following infection from the same bacterium that causes rheumatic fever. It leads to chorea: sudden, continuous, involuntary movements affecting the entire body. Symptoms can last in children anywhere from 3 weeks to several months.
What is an example of Rheumatic Chorea?
Rheumatic chorea is characterised by various signs like pronator sign, milking sing of the hand and jack in the box sign of the tongue.
What is the prevalence of chorea in rheumatic fever (RL)?
Chorea can develop as a single symptom ("pure" chorea) or in association with other manifestations of rheumatic fever. Rheumatic chorea is found mainly in children, after 20 years it is rare. As a rule, it develops in girls and almost never in boys in the post-pubertal period. The prevalence of chorea in patients with RL varies from 5 to 36%.

How is rheumatic chorea treated?
How is moderate to severe Sydenham chorea treated?Anticonvulsants: These drugs help by stabilizing nerve impulses. They include valproic acid and carbamazepine.Antipsychotics: Drugs such as haloperidol control tics and outbursts.Dopamine depleters: Tetrabenazine is a drug that treats involuntary movements.
What is chorea in rheumatic fever?
Definition. Sydenham chorea (SC) is a neurological disorder of childhood resulting from infection via Group A beta-hemolytic streptococcus (GABHS), the bacterium that causes rheumatic fever. SC is characterized by rapid, irregular, and aimless involuntary movements of the arms and legs, trunk, and facial muscles.
What are the symptoms of chorea?
SymptomsInvoluntary jerking or writhing movements (chorea)Muscle problems, such as rigidity or muscle contracture (dystonia)Slow or unusual eye movements.Impaired gait, posture and balance.Difficulty with speech or swallowing.
What causes chorea?
Chorea is an abnormal involuntary movement disorder, one of a group of neurological disorders called dyskinesias, which are caused by overactivity of the neurotransmitter dopamine in the areas of the brain that control movement.
What does mild chorea look like?
In milder cases, chorea may appear purposeful. The patient often appears fidgety and clumsy. Overall, chorea can affect various body parts, and interfere with speech, swallowing, posture and gait, and disappears in sleep.
How is rheumatic fever diagnosed?
Tests for rheumatic fever might include:Blood tests. Blood tests can be done to check for signs (markers) of inflammation in the blood. ... Electrocardiogram (ECG or EKG). This test records the electrical activity of the heart. ... Echocardiogram. Sound waves are used to create pictures of the heart in motion.
What is another name for chorea?
Chorea (or choreia, occasionally) is an abnormal involuntary movement disorder, one of a group of neurological disorders called dyskinesias.
What are the different types of chorea?
Vascular.Autoimmune or inflammatory disorders. Sydenham chorea. Paraneoplastic chorea. Other immune-mediated choreas.Metabolic and endocrine disorders. Chorea gravidarum. Hyperglycemia. ... Infectious diseases.Toxin exposure.Drug-induced chorea.Structural lesion in basal ganglia.Senile chorea.More items...•
Can rheumatic fever cause neurological problems?
Clinically, it results in a combination of movement disorders and complex neuropsychiatric symptoms. Cardiac damage due to rheumatic fever may also predispose to neurologic complications later in life.
What structures are injured by chorea?
Sydenham chorea (also called St. Vitus' dance or Sydenham disease), a complication of rheumatic fever....They include the following:Caudate nucleus (a C-shaped structure that tapers to a thin tail)Putamen.Globus pallidus (located next to the putamen)Subthalamic nucleus.Substantia nigra.
Is chorea a symptom of Parkinson's?
Chorea is a common symptom of Huntington's disease and other less-common diseases. Chorea is also frequently observed in patients with Parkinson's disease taking a medication called levodopa. In this case, it is referred to as "dyskinesias."
Can movement disorders be cured?
In many cases, movement disorders cannot be cured, and the goal of treatment is to minimize symptoms and relieve pain. Some are severe and progressive, impairing your ability to move and speak.
What are the types of chorea?
Vascular.Autoimmune or inflammatory disorders. Sydenham chorea. Paraneoplastic chorea. Other immune-mediated choreas.Metabolic and endocrine disorders. Chorea gravidarum. Hyperglycemia. ... Infectious diseases.Toxin exposure.Drug-induced chorea.Structural lesion in basal ganglia.Senile chorea.More items...•
What is chorea gravidarum?
Chorea gravidarum (CG) is the term given to chorea occurring during pregnancy. This is not an etiologically or pathologically distinct entity but rather a generic term for chorea of any cause starting during pregnancy. Therefore, CG is regarded as a syndrome rather than a specific disease entity.
What is nomadic fever?
Rheumatic fever (acute rheumatic fever) is a disease that can affect the heart, joints, brain, and skin. Rheumatic fever can develop if strep throat, scarlet fever, and strep skin infections are not treated properly.
Can rheumatic fever cause neurological problems?
Clinically, it results in a combination of movement disorders and complex neuropsychiatric symptoms. Cardiac damage due to rheumatic fever may also predispose to neurologic complications later in life.
Overview Of Rheumatic Chorea
Rheumatic Chorea is also commonly used with the term Sydenham Chorea. Sydenham chorea is a movement disorder that occurs after infection with certain bacteria called group A streptococcus.
Commonly Associated With
St. Vitus dance; Chorea minor; Rheumatic chorea; Rheumatic fever – Sydenham chorea; Strep throat – Sydenham chorea; Streptococcal – Sydenham chorea; Streptococcus – Sydenham chorea
Causes Of Rheumatic Chorea
Sydenham chorea is caused by an infection with bacteria called group A streptococcus. This is the bacteria that cause rheumatic fever (RF) and strep throat. Group A streptococcus bacteria can react with a part of the brain called basal ganglia to cause this disorder. The basal ganglia are a set of structures deep in the brain.
Symptoms Of Rheumatic Chorea
Sydenham chorea mainly involves jerky, uncontrollable, and purposeless movements of the hands, arms, shoulder, face, legs, and trunk. These movements look like twitches and disappear during sleep.
Exams & Tests
The health care provider will perform a physical exam for rheumatic chorea. Detailed questions will be asked about the symptoms.
Treatment Of Rheumatic Chorea
Antibiotics are used to kill the streptococcus bacteria. The provider may also prescribe antibiotics to prevent future RF infections. This is called preventive antibiotics, or antibiotic prophylaxis.
Health
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Epidemiology
Rheumatic chorea is found mainly in children, after 20 years it is rare. As a rule, it develops in girls and almost never in boys in the post-pubertal period. The prevalence of chorea in patients with RL varies from 5 to 36%.
Symptoms of the rheumatic fever
Sydenham's chorea is characterized by emotional lability, uncoordinated movements and muscle weakness.
Treatment of the rheumatic fever
Treatment of chorea is carried out depending on whether it is isolated or combined with other manifestations of rheumatic fever (rheumatic carditis or polyarthritis).
Forecast
The rheumatic chorea with RL varies considerably, its course varies from one week to several years, on average the attack of chorea takes about 15 weeks.
Description
Sydenham chorea is a rare neurological disorder typically occurring during childhood. It is caused by an autoimmune reaction following infection from the same bacterium that causes rheumatic fever. It leads to chorea: sudden, continuous, involuntary movements affecting the entire body.
Prevalence
US Cases: Unknown [ Beier 2020]. Relatively uncommon in the United States due to the decrease in rheumatic fever. More common in developing countries where 40% of individuals with rheumatic fever develop Sydenham chorea. ARI has assigned a prevalence of 50 - our placeholder for extremely rare diseases with no known prevalence.
Typical Age of onset
Usually in children ages 5-15 years Rare in children below 5 years of age and in adults
Symptoms
Abnormal, involuntary movements of the body, limbs, and face while awake (chorea)
What is chorea in medical terms?
Chorea is a movement disorder that occurs in many different diseases and conditions. Dozens of genetic conditions, autoimmune and infectious diseases, endocrine disorders, medications and even pregnancy can have chorea as a symptom. Treatment is based on cause of the chorea.
What is a chorea?
What is chorea? Chorea is a movement disorder that causes involuntary, irregular, unpredictable muscle movements. The disorder can make you look like you’re dancing (the word chorea comes from the Greek word for “dance”) or look restless or fidgety.
How many kids develop Sydenham chorea?
In the United States, about 4,000 kids a year develop Sydenham chorea after having rheumatic fever. Rheumatic fever is a serious complication of untreated strep throat. Girls are more likely than boys to get rheumatic fever. It usually occurs between 5 and 15 years of age.
How do you know if you have chorea?
The most common signs of chorea are: Involuntary muscle movements: Also called fidgety movements or dance-like movements usually appear in the hands, feet, and face. They can affect the way you walk, swallow and talk.
What causes a person to have chorea?
The most common causes of chorea are: Huntington’s disease: People inherit this genetic disorder from their parents.
What causes chorea in the body?
People with other medical conditions: Autoimmune diseases (such as lupus) and hormonal disorders like hyperthyroidism and metabolic disorders such as hypoglycemia can cause chorea. There is a long list of other disorders that can cause chorea. Cleveland Clinic is a non-profit academic medical center.
How many people have chorea?
No one knows for sure how many people experience chorea. Chorea is usually a symptom of another disorder. About 30,000 people in the United States have Huntington’s disease (a genetic condition that causes chorea). Doctors estimate another 200,000 people have a risk of developing Huntington’s disease because their parents have the genetic condition.
What is the meaning of "sydenham's chorea"?
Sydenham’s chorea (Rheumatic chorea) Sydenham’s chorea is one of the major manifestations of rheumatic fever. It is a quasi purposive, non repetitive involuntary movement. Sydenham’s chorea is often associated with hypotonia and emotional instability.
What drugs are used for chorea?
This explanation can account for the beneficial effects of certain drugs used in the treatment of chorea. Sodium valproate, carbamazepine and haloperidol have been used in those with disturbing chorea [2].
What is the name of the rheumatic fever that occurs months after a group A beta-hemo?
Rheumatic chorea is characterised by various signs like pronator sign, milking sing of the hand and jack in the box sign of the tongue. Sydenham’s chorea is a late manifestation of rheumatic fever in that it can occur months after a group A beta-hemolytic streptococcal infection, when other manifestations of acute phase like arthritis have ...
What is rheumatic fever?
Rheumatic fever is an inflammatory disease that can develop when strep throat or scarlet fever isn't properly treated. Strep throat and scarlet fever are caused by an infection with streptococcus (strep-toe-KOK-us) bacteria. Rheumatic fever most often affects children who are between 5 and 15 years old, though it can develop in younger children ...
Which group of streptococcus infections rarely trigger rheumatic fever?
Group A streptococcus infections of the skin or other parts of the body rarely trigger rheumatic fever.
How to prevent rheumatic fever?
The only way to prevent rheumatic fever is to treat strep throat infections or scarlet fever promptly with a full course of appropriate antibiotics. By Mayo Clinic Staff. Rheumatic fever care at Mayo Clinic.
How long does it take for rheumatic fever to appear?
The onset of rheumatic fever usually occurs about two to four weeks after a strep throat infection. Rheumatic fever signs and symptoms — which result from inflammation in the heart, joints, skin or central nervous system — can include: Painful and tender joints — most often in the knees, ankles, elbows and wrists.
Which bacteria are more likely to cause rheumatic fever?
Type of strep bacteria. Certain strains of strep bacteria are more likely to contribute to rheumatic fever than are other strains.
What is the name of the movement in the hands, feet, and face?
Painful and tender joints — most often in the knees, ankles, elbows and wrists. Jerky, uncontrollable body movements (Sydenham chorea) — most often in the hands, feet and face. Outbursts of unusual behavior, such as crying or inappropriate laughing, that accompanies Sydenham chorea.
Can a child get rheumatic fever from antibiotics?
This immune system reaction results in swelling of the tissues (inflammation). If your child receives prompt treatment with an antibiotic to eliminate strep bacteria and takes all medication as prescribed, there's little chance of developing rheumatic fever.
What is a chorea?
Chorea is a movement disorder that causes involuntary, unpredictable body movements. Chorea symptoms can range from minor movements, such as fidgeting, to severe uncontrolled arm and leg movements. It can also interfere with: speech. swallowing. posture.
How to treat chorea?
Treatment of chorea depends on the type of chorea you have. It aims to treat the underlying condition, which will help with chorea symptoms. For example, Sydenham’s chorea may be treatable with antibiotics. Huntington’s disease chorea can be treated with antipsychotic drugs, as well as other medications.
What is the disease that causes writhing and jerking?
Huntington’s disease is an inherited disease. It causes the breakdown of nerve cells in your brain. People with Huntington’s disease can experience chorea symptoms such as involuntary jerking or writhing. Milkmaid’s grip is also a common symptom.
What causes cholera?
These causes include: AIDS. genetic conditions, such as Huntington’s disease. immune conditions, such as systemic lupus erythematosus. infection-related conditions, such as Sydenham’s chorea.
When do you stop having chorea?
People with metabolic or endocrine-related chorea typically stop having symptoms once a doctor treats the imbalance.
Can you cure chorea gravidarum?
The outlook for chorea depends on the condition causing it. Antibiotics can cure Sydenham’s chorea. While there’s no cure for Huntington’s disease, it can be managed. Women with chorea gravidarum during pregnancy typically stop having symptoms within 6 weeks after giving birth.
Does deep brain stimulation help with chorea?
If chorea doesn’t respond to medications, your doctor may recommend deep brain stimulation. This procedure does not cure chorea, but it can reduce its symptoms.
