Nephron · 2019
The Prevalence and Clinical Features of Fabry Disease in Hemodialysis Patients: Russian Nationwide Fabry Dialysis Screening Program.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Moiseev Sergey, Fomin Victor, Savostyanov Kirill, Pushkov Alexander, Moiseev Alexey, Svistunov Andrey, Namazova-Baranova Leyla
Аннотация
AIM: To evaluate the prevalence and clinical features of Fabry disease in patients with end-stage renal disease (ESRD) undergoing chronic hemodialysis.
METHODS: α-Galactosidase A activity was measured in the dried blood spots by tandem mass spectrometry in 5,572 dialysis patients (63.7% males). Diagnosis of Fabry disease was confirmed by sequencing of the GLA gene and by evaluating the globotriaosylsphingosine level in the dried blood spots.
RESULTS: Fabry disease was diagnosed in 20 (0.36%) patients at the median age of 43 years (28; 58). There were 19 males and 1 female. The prevalence of Fabry disease in dialysis patients was 0.53% in males and 0.05% in females. However, it was higher in males aged 30-49 years. Seventeen different GLA mutations were identified; 5 of them were novel. The median age at the initiation of hemodialysis was similar between patients with missense and nonsense mutations. Sixteen patients (80.0%) presented with typical symptoms of Fabry disease from childhood (neuropathic pain in 16, angiokeratoma in 7 and hypohidrosis/anhidrosis in 16). All patients had left ventricular hypertrophy, and 8 patients (40%) had a history of ischemic stroke. Two patients died (recurrent stroke in one and sudden cardiac death in another patient).
CONCLUSIONS: Screening in at-risk patients remains the feasible approach to diagnose Fabry disease in patients with ESRD and their family members, given a low awareness of Fabry disease among the Russian nephrologists.
METHODS: α-Galactosidase A activity was measured in the dried blood spots by tandem mass spectrometry in 5,572 dialysis patients (63.7% males). Diagnosis of Fabry disease was confirmed by sequencing of the GLA gene and by evaluating the globotriaosylsphingosine level in the dried blood spots.
RESULTS: Fabry disease was diagnosed in 20 (0.36%) patients at the median age of 43 years (28; 58). There were 19 males and 1 female. The prevalence of Fabry disease in dialysis patients was 0.53% in males and 0.05% in females. However, it was higher in males aged 30-49 years. Seventeen different GLA mutations were identified; 5 of them were novel. The median age at the initiation of hemodialysis was similar between patients with missense and nonsense mutations. Sixteen patients (80.0%) presented with typical symptoms of Fabry disease from childhood (neuropathic pain in 16, angiokeratoma in 7 and hypohidrosis/anhidrosis in 16). All patients had left ventricular hypertrophy, and 8 patients (40%) had a history of ischemic stroke. Two patients died (recurrent stroke in one and sudden cardiac death in another patient).
CONCLUSIONS: Screening in at-risk patients remains the feasible approach to diagnose Fabry disease in patients with ESRD and their family members, given a low awareness of Fabry disease among the Russian nephrologists.