دورية أكاديمية
أعرض في EDS

Territory-Related Functional Connectivity Changes Associated with Verbal Memory Decline in Patients with Unilateral Asymptomatic Internal Carotid Stenosis.

التفاصيل البيبلوغرافية
العنوان: Territory-Related Functional Connectivity Changes Associated with Verbal Memory Decline in Patients with Unilateral Asymptomatic Internal Carotid Stenosis.
المؤلفون: Chen JR; From the Department of Biomedical Imaging and Radiological Sciences (J.-R.C., C.-F.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan., Lin CJ; School of Medicine (C.-J.L., F.-C.C., I.-H.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan.; Neurological Institute (C.-J.L., I.-H.L.), Taipei Veterans General Hospital, Taipei, Taiwan., Chang FC; School of Medicine (C.-J.L., F.-C.C., I.-H.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan.; Department of Radiology (F.-C.C.), Taipei Veterans General Hospital, Taipei, Taiwan., Lee IH; School of Medicine (C.-J.L., F.-C.C., I.-H.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan.; Neurological Institute (C.-J.L., I.-H.L.), Taipei Veterans General Hospital, Taipei, Taiwan.; Institute of Brain Science (I.-H.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan., Lu CF; From the Department of Biomedical Imaging and Radiological Sciences (J.-R.C., C.-F.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan alvin4016@nycu.edu.tw.
المصدر: AJNR. American journal of neuroradiology [AJNR Am J Neuroradiol] 2024 Jul 08; Vol. 45 (7), pp. 934-942. Date of Electronic Publication: 2024 Jul 08.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: American Society of Neuroradiology Country of Publication: United States NLM ID: 8003708 Publication Model: Electronic Cited Medium: Internet ISSN: 1936-959X (Electronic) Linking ISSN: 01956108 NLM ISO Abbreviation: AJNR Am J Neuroradiol Subsets: MEDLINE
أسماء مطبوعة: Publication: Oak Brook, IL : American Society of Neuroradiology
Original Publication: Baltimore, Williams & Wilkins.
مواضيع طبية MeSH: Carotid Stenosis*/diagnostic imaging , Carotid Stenosis*/physiopathology , Carotid Stenosis*/complications , Magnetic Resonance Imaging* , Memory Disorders*/physiopathology , Memory Disorders*/diagnostic imaging , Memory Disorders*/etiology, Humans ; Male ; Female ; Middle Aged ; Aged ; Carotid Artery, Internal/diagnostic imaging ; Carotid Artery, Internal/physiopathology ; Cerebrovascular Circulation/physiology ; Verbal Learning/physiology
مستخلص: Background and Purpose: Verbal memory decline is a common complaint of patients with severe asymptomatic stenosis of the internal carotid artery (aICS). Previous publications explored the associations between verbal memory decline and altered functional connectivity (FC) after aICS. Patients with severe aICS may show reduced perfusion in the ipsilateral territory and redistribution of cerebral blood flow to compensate for the deficient regions, including expansion of the posterior and contralateral ICA territories via the circle of Willis. However, aICS-related FC changes in anterior and posterior territories and the impact of the sides of stenosis were less explored. This study aims to investigate the altered FC in anterior and posterior circulation territories of patients with left or right unilateral aICS and its association with verbal memory decline.
Materials and Methods: We enrolled 15 healthy controls (HCs), 22 patients with left aICS (aICS L ), and 33 patients with right aICS (aICS R ) to receive fMRI, Mini-Mental State Examination (MMSE), the Digit Span Test (DST), and the 12-item Chinese version of Verbal Learning Tests. We selected brain regions associated with verbal memory within anterior and posterior circulation territories. Territory-related FC alterations and verbal memory decline were identified by comparing the aICS L and aICS R groups with HC groups ( P  < .05, corrected for multiple comparisons), respectively. Furthermore, the association between altered FC and verbal memory decline was tested with the Pearson correlation analysis.
Results: Compared with HCs, patients with aICS L or aICS R had significant impairment in delayed recall of verbal memory. Decline in delayed recall of verbal memory was significantly associated with altered FC between the right cerebellum and right middle temporal pole in the posterior circulation territory ( r  = 0.40, P  = .03) in the aICS R group and was significantly associated with altered FC between the right superior medial frontal gyrus and left lingual gyrus in the anterior circulation territory ( r  = 0.56, P = .01) in the aICS L group.
Conclusions: Patients with aICS L and aICS R showed different patterns of FC alterations in both anterior and posterior circulation territories, which suggests that the side of aICS influences the compensatory mechanism for decline in delayed recall of verbal memory.
(© 2024 by American Journal of Neuroradiology.)
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تواريخ الأحداث: Date Created: 20240613 Date Completed: 20240708 Latest Revision: 20240731
رمز التحديث: 20240731
مُعرف محوري في PubMed: PMC11286016
DOI: 10.3174/ajnr.A8248
PMID: 38871370
قاعدة البيانات: MEDLINE
الوصف
تدمد:1936-959X
DOI:10.3174/ajnr.A8248