Titre
Pure superficial posterior cerebral artery territory infarction in The Lausanne Stroke Registry.
Type
article
Institution
UNIL/CHUV/Unisanté + institutions partenaires
Périodique
Auteur(s)
Cals, N.
Auteure/Auteur
Devuyst, G.
Auteure/Auteur
Afsar, N.
Auteure/Auteur
Karapanayiotides, T.
Auteure/Auteur
Bogousslavsky, J.
Auteure/Auteur
Liens vers les unités
ISSN
0340-5354
Statut éditorial
Publié
Date de publication
2002
Volume
249
Numéro
7
Première page
855
Dernière page/numéro d’article
861
Langue
anglais
Résumé
OBJECTIVE: To determine the patterns of clinical presentation, lesion topography, and etiology in patients with ischemic stroke limited to the superficial territory of the posterior cerebral artery (s-PCA). METHODS: In the Lausanne Stroke Registry (LSR, 1983-1998), we determined the patterns of clinical presentation, lesion topography and mechanisms of stroke, among 117 patients with s-PCA infarction (s-PCAI) on brain imaging. RESULTS: s-PCAIs accounted for 30.5 % of all PCA territory ischemic strokes. The presumed etiology was embolism in 64 (54.5 %) patients [cardiac in 51 (43.5 %) and arterial in 13 (11 %)], indeterminate in 38 (32 %), PCA atherothrombosis in 4 (3.4 %), migraine in 4 (3.4 %), other rare causes in 4 (3.4 %), and multiple potential sources of embolism in 3 (2.5 %). The clinical findings were hemianopsia in 78 (67 %), quadrantanopsia in 26 (22 %), and bilateral visual field defects in 8 (7 %). Motor, sensory, or sensorimotor deficits were detected in 14 (12 %), 8 (6.8 %), or 8 (6.8 %) patients, respectively. Neuropsychological dysfunction included memory impairment in 20 (17.5 %; with left [L], right [R], or bilateral [B] lesions in 15, 2, or 3 patients, respectively), dysphasia in 17 (14.5 %; L/B: 14/3), dyslexia with dysgraphia in 5 (4 %; L/B: 4/1), dyslexia without dysgraphia in 10 (8.5 %; L/B: 8/2), hallucinations in 12 (10 %; L/R/B: 5/5/2), visual neglect in 11 (9.5 %; L/R: 2/9), visual agnosia in 10 (8.5 %; L/B: 7/3), prosopagnosia in 7 (6 %; R/B: 4/3), and color dysnomia in 6 (5 %; L: 6). CONCLUSIONS: s-PCAIs are uncommon, representing less than a third of all PCA infarctions. Although embolism is the main cause in 60 % of patients, identification of the emboli source is often not possible. In 1/3 of cases, the stroke mechanism cannot be determined. Neuropsychological deficits are frequent if systematically searched for.
PID Serval
serval:BIB_24969
PMID
Open Access
Oui
Date de création
2007-11-19T11:21:22.820Z
Date de création dans IRIS
2025-05-20T18:39:25Z
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Nom
REF.pdf
Version du manuscrit
published
Taille
221.55 KB
Format
Adobe PDF
PID Serval
serval:BIB_24969.P001
URN
urn:nbn:ch:serval-BIB_249691
Somme de contrôle
(MD5):82cf98d68f1013dc1ff597e7fc4f1aad