Håkon Olafsen Waaler & Thomas Harbo
Ugeskr Læger 2021;183:V09200703
In this case report, a 27-year-old male presented at a department of neurology with postherpetic anti-N-methyl-d-aspartate (NMDA) receptor autoimmune encephalitis. The patient was psychotic and exhibited symptoms of akinetic and excited catatonia. He was mechanical restrained for a total of 46 days due to violent behaviour. He was treated with olanzapine and lorazepam up to 15 mg/day without effect on catatonic and behavioural symptoms. ECT was initiated, and the patient received a total of 16 treatments. He responded well to the treatment, and the violent behaviour resolved completely after the first treatment. ECT should be considered for catatonia in anti-NMDA-receptor autoimmune encephalitis.