Distinguishing clinical and radiological features of non-traumatic convexal subarachnoid hemorrhage

European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies
J Graff-RadfordAlejandro A Rabinstein

Abstract

The full spectrum of causes of convexal subarachnoid hemorrhage (cSAH) requires further investigation. Therefore, our objective was to describe the spectrum of clinical and imaging features of patients with non-traumatic cSAH. A retrospective observational study of consecutive patients with non-traumatic cSAH was performed at a tertiary referral center. The underlying cause of cSAH was characterized and clinical and imaging features that predict a specific etiology were identified. The frequency of future cSAH or intracerebral hemorrhage (ICH) was determined. In all, 88 patients [median age 64 years (range 25-85)] with non-traumatic cSAH were identified. The most common causes were reversible cerebral vasoconstriction syndrome (RCVS) (26, 29.5%), cerebral amyloid angiopathy (CAA) (23, 26.1%), indeterminate (14, 15.9%) and endocarditis (9, 10.2%). CAA patients commonly presented at an older age than RCVS patients (75 years versus 51 years, P < 0.0001). Thirteen patients (14.7%) had recurrent cSAH, and 12 patients (13.6%) had a subsequent ICH. However, the risk was high amongst those with CAA compared to those caused by RCVS, with recurrent cSAH in 39.1% and subsequent lobar ICH in 43.5% of CAA cases. Our study demonstrates the c...Continue Reading

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Citations

Jul 31, 2016·Current Pain and Headache Reports·Gabriella Szatmáry
Oct 17, 2017·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·A H V Schapira
Jul 25, 2019·Stroke; a Journal of Cerebral Circulation·Lionel CalviereNicolas Raposo
May 12, 2019·Journal of Neurointerventional Surgery·Katarina DakayShawna Cutting
Dec 14, 2017·Arquivos de neuro-psiquiatria·Aníbal ChertcoffPablo Bonardo
Jun 12, 2018·Journal of Stroke·Mehmet Akif TopcuogluM Edip Gurol
Jun 5, 2018·Rinshō shinkeigaku = Clinical neurology·Makoto TakemaruMasaru Kuriyama
Apr 23, 2019·Journal of Experimental Neuroscience·William F AbelAnna V Blenda
Jun 16, 2018·Neurología : publicación oficial de la Sociedad Española de Neurología·R F Galiano BlancartUNKNOWN por el Grupo Ictus-Comunidad Valenciana
Apr 28, 2021·Neuroimaging Clinics of North America·Anthony S Larson, Waleed Brinjikji
Nov 2, 2019·Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association·Micah YostJonathan Graff-Radford
May 22, 2021·Neurology·Eric E SmithSteven M Greenberg

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