Electroconvulsive therapy (ECT) is a procedure, done under general anesthesia, in which small electric currents are passed through the brain, intentionally triggering a brief seizure. ECT seems to cause changes in brain chemistry that can quickly reverse symptoms of certain mental illnesses.
ECT often works when other treatments are unsuccessful and when the full course of treatment is completed, but it may not work for everyone.
Much of the stigma attached to Electroconvulsive therapy is based on early treatments in which high doses of electricity were administered without anesthesia, leading to memory loss, fractured bones, and other serious side effects.
ECT is much safer today. Although Electroconvulsive therapy still causes some side effects, it now uses electric currents given in a controlled setting to achieve the most benefit with the fewest possible risks.
Why it’s done
Electroconvulsive therapy (ECT) can provide rapid, significant improvements in severe symptoms of several mental health conditions. ECT is used to treat:
- Severe depression, particularly when accompanied by detachment from reality (psychosis), a desire to commit suicide or refusal to eat.
- Treatment-resistant depression, a severe depression that doesn’t improve with medications or other treatments.
- Severe mania, a state of intense euphoria, agitation or hyperactivity that occurs as part of bipolar disorder. Other signs of mania include impaired decision-making, impulsive or risky behavior, substance abuse, and psychosis.
- Catatonia, characterized by lack of movement, fast or strange movements, lack of speech, and other symptoms. It’s associated with schizophrenia and certain other psychiatric disorders. In some cases, catatonia is caused by a medical illness.
- Agitation and aggression in people with dementia, which can be difficult to treat and negatively affect the quality of life.
- During pregnancy, when medications can’t be taken because they might harm the developing fetus
- In older adults who can’t tolerate drug side effects
- In people who prefer ECT treatments over taking medications
- When ECT has been successful in the past
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