Central nervous system involvement in Anderson–Fabry disease: a clinical and MRI retrospective study
Background:Anderson–Fabry disease (AFD) is an X-linked lysosomal storage disorder caused by deficiency of alpha-galactosidase A. Central nervous system (CNS) manifestations consist mainly of cerebrovascular events. Brain MRI results are often abnormal.Purpose:The aim of the study was to describe CNS...
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Veröffentlicht in: | Journal of neurology, neurosurgery and psychiatry neurosurgery and psychiatry, 2008-11, Vol.79 (11), p.1249-1254 |
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Sprache: | eng |
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Zusammenfassung: | Background:Anderson–Fabry disease (AFD) is an X-linked lysosomal storage disorder caused by deficiency of alpha-galactosidase A. Central nervous system (CNS) manifestations consist mainly of cerebrovascular events. Brain MRI results are often abnormal.Purpose:The aim of the study was to describe CNS involvement in a group of Italian patients with AFD.Methods:Clinical and brain MRI data of 43 patients with AFD (25 men, 41.94±10.83 years old and 18 women, 52.48±17.50 years old) were analysed retrospectively. 17 male patients and 7 female patients were under treatment with enzyme replacement therapy (ERT).Results:All 43 patients had signs or symptoms of AFD. 16 men (64%) and 13 women (72%) demonstrated CNS involvement, although with varying severity. Overall, 6 men and 5 women had suffered from cerebrovascular accidents with an age at onset of 33.64±13.65 years and 53.68±11.71 years, respectively. Brain MR images were abnormal in 16/25 men and in 13/16 women. During CNS monitoring, some patients receiving ERT (5/17 men and 2/6 women) demonstrated neurological deterioration, especially those who had presented with cerebrovascular disease already before starting ERT.Conclusions:The study demonstrated a high frequency of CNS involvement in homozygous and heterozygous AFD patients, often characterised by early age at onset and abnormal brain MRIs. At present, ERT is widely used; however, potential beneficent effects may be disguised by the progression of irreversible pathology in short-term follow-up. Therefore, primary and secondary prophylaxes of cerebrovascular disease are extremely important. |
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ISSN: | 0022-3050 1468-330X |
DOI: | 10.1136/jnnp.2008.143693 |