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Concomitant reversible cerebral vasoconstriction syndrome and transient global amnesia
Rosalie Boitet1, Nicolas Gaillard2,3, Eddine Bendiab1
1Neurology Department, Montpellier University Hospital, Montpellier, France.
Journal of Neurology
|October 26, 2019
Summary
Reversible cerebral vasoconstriction syndrome (RCVS) can occur with transient global amnesia (TGA). This suggests shared triggers like stress and cerebral vasoconstriction, offering new insights into these neurological conditions.
Area of Science:
- Neurology
- Neuroscience
Background:
- Reversible cerebral vasoconstriction syndrome (RCVS) is a frequent cause of thunderclap headache (TCH).
- Neurological deficits and seizures can accompany RCVS.
- Amnesia is an unusual symptom associated with RCVS.
Observation:
- A case series of patients with concomitant RCVS and transient global amnesia (TGA) was reviewed.
- Clinical and radiological data from 2012-2018 were analyzed from two specialized institutions.
- Three patients (two women, one man) experienced TCH triggered by emotional stress, followed by TGA.
Findings:
- All patients were diagnosed with confirmed RCVS and TGA.
- Amnesia resolved within hours for all patients.
- Complete resolution of cerebral vasospasms occurred within three months for all patients, with excellent outcomes.
Implications:
- RCVS and TGA can manifest simultaneously.
- Shared pathophysiological mechanisms may involve aberrant responses to stress.
- Cerebral vasoconstriction might play a role in the co-occurrence of these conditions.
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