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MELAS with recurrent complex partial seizures, nonconvulsive status epilepticus, psychosis, and behavioral

Kenneth R Kaufman1, Nicole Zuber, Maria A Rueda-Lara

  • 1Department of Psychiatry, UMDNJ-Robert Wood Johnson Medical School, New Brunswick, NJ 08901, USA. kaufmakr@umdnj.edu

Epilepsy & Behavior : E&B
|June 29, 2010
PubMed

Insights

Mitochondrial encephalopathy, lactic acidosis, and strokelike episodes (MELAS) can present with complex neurological symptoms, including nonconvulsive status epilepticus (NCSE). Early diagnosis and treatment are crucial for managing this progressive neurodegenerative disorder.

Area of Science:

  • Neurology
  • Genetics
  • Neuroscience

Background:

  • Mitochondrial encephalopathy, lactic acidosis, and strokelike episodes (MELAS) is a progressive neurodegenerative disorder caused by mitochondrial DNA mutations.
  • It presents with multisystem involvement, affecting neurological, muscular, endocrine, and other systems.
  • Both convulsive status epilepticus (CSE) and nonconvulsive status epilepticus (NCSE) have been reported in MELAS patients.

Observation:

  • This report details a MELAS case with recurrent complex partial seizures.
  • The patient experienced nonconvulsive status epilepticus (NCSE), confusion, aggressive behaviors, hallucinations, and paranoid delusions.
  • Rapid video/EEG confirmation and prompt antiepileptic drug intervention were necessary.

Findings:

  • MELAS can manifest with severe psychiatric and behavioral symptoms alongside seizures.
  • Nonconvulsive status epilepticus (NCSE) is a significant neurological complication in MELAS.
  • The case highlights the variability in MELAS presentation and the need for swift diagnosis.

Implications:

  • Early recognition and management of NCSE in MELAS are critical for improving patient outcomes.
  • Increased awareness and education among medical professionals about MELAS and its neurological manifestations, particularly NCSE, are indicated.
  • Prompt diagnosis and aggressive treatment can mitigate cognitive decline, disability, and premature death associated with MELAS.

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