Catatonia - Definition, Symptoms, Causes And Treatment

Catatonia: Definition, Symptoms, Causes And Treatment

Catatonia is a neuropsychiatric condition that results in a disruption of the motor system, behaviour and mood. It is characterized by periods of passivity and negativity that alternate with sudden excessive motor activity and is usually a result of another phsychotic or mood disorder.

Although catatonia was was distinguished as a separate mental disorder, experts now refer to it as a subcategory for a variety of specific psychotic and mood disorders. Catatonia is characterized by significant psychomotor disruption and can occur in the context of various disorders, particularly bipolar and mood disorders such as depression. Catatonia has also been heavily linked to schizophrenia.

There are three main types of catatonia: catatonia that is linked to another mental disorder, catatonia linked to another general medical condition and undetermined catatonia. Catatonia is not uncommon since it affects about 10% of patients hospitalized in psychiatric hospitals. It can occur in both children and adults.

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SYMPTOMS

Catatonia is often acute and is characterized by various motor symptoms such as:

- Mutism (inability, unwillingness or refusal to speak)

- Negativism (opposition or lack of response to external stimuli)

- Absence of psychomotor activity and interaction

- Catalepsy (maintenance of imposed postures, rigidity of the body)

- Adoption of a spontaneous posture 

- Grimaces

- Repetitive behaviours

- Automatic obedience

- Echolalia (repetition of other's words)

- Echopraxia (repetition of other's movements) 

- Sudden agitation without external cause

CAUSES

The causes of catatonia remain relatively unknown, but mood disorders, schizophrenia and post-traumatic shock can all lead to a catatonic state. The origin of the symptoms can also come from a disruption of the frontal brain circuits, encephalitis, brain tumour, epilepsyhead traumaor a cerebrovascular accident (CVA). Certain recreational drugs such as ecstasy or amphetamines can also, in rare cases, plunge the consumer into a catatonic state.

A severe lack of vitamin B12, exposure to toxins and infection has also been linked to symptoms of catatonia. A general medical patient who displays typical associated symptoms may still be considered catatonic in cases where the condition is idiopathic, meaning that the cause of the condition is spontaneous or unknown. 

TREATMENT

Doctors are currently unclear of the link between catatonia and other general medical conditions. Because catatonia is often accompanied by an underlying condition, its diagnosis can be complicated and the condition often goes unidentified. Once a patient shows catatonic tendencies, a doctor will usually focus on the root of the cause (such as an associated mental condition or trauma) in order to deal with the condition successfully.

Catatonia is treated first with benzodiazepines. If it is set up quickly, the treatment is safe and effective and leads to remission in 70 to 80% of cases. When the patient's condition does not improve, electroconvulsive therapy (electroshock method) may be considered. Once identified, the condition tends to respond to standard treatment. 

• Stacey Williams
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