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Postictal neurogenic stunned myocardium
Peter S Chin1, Kelley R Branch, Kyra J Becker
1Department of Medicine, University of California Los Angeles, and The Greater Los Angeles VA Healthcare System, Los Angeles, CA, USA. pchin@mednet.ucla.edu
Neurology
|June 16, 2005
Summary
Convulsive seizures can cause neurogenic stunned myocardium, a form of heart injury previously unrecognized after seizure activity. This suggests that intense seizure events may trigger sympathetic nervous system responses leading to cardiac complications.
Area of Science:
- Cardiology
- Neurology
- Neuroscience
Background:
- Neurogenic left ventricular dysfunction is a known complication of subarachnoid hemorrhage.
- Cardiac dysfunction following seizure activity has not been previously documented.
Observation:
- The study presents two cases of patients experiencing neurogenic stunned myocardium after convulsive seizures.
- These cases highlight a potential link between ictal activity and cardiac injury.
Findings:
- Ictal activity, or seizure events, can precipitate sympathetically mediated cardiac injury.
- Neurogenic stunned myocardium is a newly identified complication following convulsive seizures.
Implications:
- This research expands the understanding of potential neurological impacts on cardiac function.
- Clinicians should consider cardiac evaluation in patients presenting with myocardial dysfunction after seizures.
- Further research is warranted to elucidate the mechanisms of ictal-induced cardiac injury.