Document Detail

Border zone ("watershed area") cerebral ischemia.
MedLine Citation:
PMID:  6956499     Owner:  NLM     Status:  MEDLINE    
Twenty subjects showing clinical and electroencephalographic patterns of the so-called "diffuse cortical ischemic syndrome with an extraterritorial (border zone) predilection," as described by Gastaut and Naquet (1965) and Gastaut et al. (1971) were studied. This syndrome occurs in elderly patients presenting a sudden disturbance of consciousness of various degree, neurological deficits, and epileptic seizures consisting of focal motor attacks and epilepsia partialis continua. Periodic lateralized epileptiform discharges were recorded. They could be bilateral or more often predominated over one hemisphere, usually in the parieto-temporo-occipital areas. The various pathological factors are discussed. Four main types of abnormalities, sometimes combined, seem to be important for the occurrence of this syndrome: generalized underperfusion, hypertension, embolic processes and sometimes metabolic factors (alcohol, anoxic anoxia, electrolyte imbalance or nonketotic hyperglycemia) and, particularly, in the presence of pre-existing cerebral infarcts, either symptomatic or asymptomatic.
G Franck
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Electroencephalography and clinical neurophysiology. Supplement     Volume:  -     ISSN:  0424-8155     ISO Abbreviation:  Electroencephalogr Clin Neurophysiol Suppl     Publication Date:  1982  
Date Detail:
Created Date:  1982-12-03     Completed Date:  1982-12-03     Revised Date:  2007-10-08    
Medline Journal Info:
Nlm Unique ID:  0375036     Medline TA:  Electroencephalogr Clin Neurophysiol Suppl     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  297-306     Citation Subset:  IM    
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MeSH Terms
Brain Ischemia / complications*
Epilepsy / diagnosis,  etiology*
Middle Aged

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