Malignant Catatonia: A Review for the Intensivist

Area of Science:

• Neurology
• Psychiatry
• Critical Care Medicine

Background:

• Catatonia is a complex syndrome with diverse psychomotor, neurological, and behavioral manifestations.
• It can present as akinetic stupor or severe motor excitement, often co-occurring with psychiatric disorders, medical illnesses, delirium, or coma.
• Malignant catatonia, a life-threatening subtype, features significant autonomic instability.

Purpose of the Study:

• To highlight the critical importance of recognizing and managing catatonia, particularly malignant catatonia.
• To inform intensivists about the under-recognized nature and potential fatality of malignant catatonia.
• To emphasize the need for prompt diagnosis and treatment in critically ill patients.

Main Methods:

• Review of clinical presentation and characteristics of catatonia.
• Discussion of predisposing and precipitating factors, especially in critical illness settings.
• Overview of treatment strategies including benzodiazepines, underlying condition management, and electroconvulsive therapy.

Main Results:

• Catatonia presents with a wide spectrum of motor and behavioral symptoms.
• Malignant catatonia is characterized by severe autonomic dysfunction and carries a high risk of mortality.
• While benzodiazepines and treating underlying causes are primary treatments, some forms may be refractory.

Conclusions:

• Early identification and intervention for catatonia are crucial for improving patient outcomes.
• Malignant catatonia requires immediate attention due to its potentially fatal course.
• Intensivists must be aware of catatonia as a significant and potentially under-diagnosed condition in critical care.