Electroconvulsive therapy (ECT) is an effective treatment for primary psychiatric disorders, especially treatment-resistant depression. Experience with ECT for PD psychosis, however, is limited to case studies. ECT has been demonstrated to be beneficial in PD patients with psychosis (112-114), and can transiently improve parkinsonian motor symptoms, but may require a period of hospitalization, and result in significant confusion. ECT should only be considered when patients are resistant to pharmacological therapies.
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