Birkeland, P;
Tharmabalan, V;
Lauritsen, J;
Ganesan, V;
Bjarkam, CR;
von Weitzel-Mudersbach, P;
(2020)
Moyamoya disease in a European setting: a Danish population-based study.
European Journal of Neurology
, 27
(12)
pp. 2446-2452.
10.1111/ene.14439.
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Abstract
BACKGROUND AND PURPOSE: The incidence of moyamoya disease (MMD) in Europe is not well known. In those affected, the risk of brain hemorrhage is considered low. The present study aimed to investigate the incidence and clinical presentation of MMD in the Danish population. METHODS: Eligible patients were identified in the Danish National Patient Register from 1994 to 2017. We collected clinical and radiological data from individual patient records from neurological, neurosurgical and paediatric units across Denmark. The diagnosis was validated according to established criteria. We also extracted basic demographic data on the cohort from the Danish Civil Registration System. RESULTS: A total of 52 patients fulfilled the diagnostic criteria for MMD. Most patients were native Danes and only 15% had an East Asian background. The ratio of female to male patients was 1.8, and the incidence had two peaks: one in childhood and another in young middle age. Until 2007, MMD was only diagnosed sporadically. From 2008 onwards, the incidence rate was 0.07 per 100 000 person-years (95% confidence interval 0.05-0.09 per 100 000 person-years). The most common mode of presentation was ischaemic stroke (33%), followed by hemorrhage (23%), headache (17%) and transient ischaemic attack (14%). CONCLUSIONS: Moyamoya disease is rare in Denmark, but is associated with a considerable risk of hemorrhage. Thus, MMD should be considered in the evaluation for ischaemic as well as hemorrhagic stroke paediatric and middle-aged Caucasians.
| Type: | Article |
|---|---|
| Title: | Moyamoya disease in a European setting: a Danish population-based study |
| Location: | England |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1111/ene.14439 |
| Publisher version: | https://doi.org/10.1111/ene.14439 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health > Developmental Neurosciences Dept |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10119462 |
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