ArticleJournal of neurology2018
Patterns of convexal subarachnoid haemorrhage: clinical, radiological and outcome differences between cerebral amyloid angiopathy and other causes.
Article in Journal of neurology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 citing papers in PubMed, 4 citations in OpenAlex.
- Acute convexity subarachnoid hemorrhage (cSAH) in infectious endocarditis (IE): imaging features and follow-up.Journal of neurology · 2020Article
- The frequency of central nervous system complications in the Cypriot cohort of ATTRV30M neuropathy transplanted patients.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2020Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCerebral amyloid angiopathy (CAA) is a common aetiology of convexal subarachnoid haemorrhage (cSAH) but little is known about its specific characteristics in comparison with cSAH from other causes. In this study we compared patients with CAA vs. non-CAA-related cSAH.
methodsRetrospective review of baseline and follow-up data of consecutive patients admitted with a symptomatic acute cSAH.
resultsSixty-two patients were included (mean age 66.2 ± 14.1 years), of whom 31 with probable CAA. CAA patients presented more frequently with transient symptoms (83.9 vs. 19.3%; p < 0.001) usually without headache (19.0 vs. 58.1%; p = 0.002). In CAA, these were essentially positive sensory disturbance that met the criteria of transient focal neurological episodes (TFNE). CAA was more often associated with cortical superficial siderosis (cSS) (80.6 vs. 0%; p < 0.001) and lobar cerebral microbleeds (83.4 vs. 9%; p < 0.001). During a mean of 22 months of follow-up, recurrent symptomatic cSAH occurred in 4/27 (12.9%) CAA patients and in 0/27 non-CAA patients. Among 40 patients with MRI follow-up, cSAH recurrences were observed in 44% of CAA patients vs. 13.3% of other cases (p = 0.08) and extension of cSS was detected only in CAA (60%) (p < 0.001). Acute cSAH evolved to cSS in 96 and 73.3% of CAA and non-CAA patients, respectively (p = 0.06).
conclusionsCAA differs from other cSAH in having TFNE as a frequent clinical presentation, a high prevalence of cSS and an increased risk of recurrent subarachnoid bleeding. However, evolution from acute cSAH to focal cSS may not be specific to CAA.
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