Renal failure · 2008
Fabry disease in hemodialysis patients in southern Brazil: prevalence study and clinical report.
Клинический случайСтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Porsch Daiana Benck, Nunes Ane Cláudia Fernandes, Milani Vagner, Rossato Liana Bertolin, Mattos Cristiane Bastos, Tsao Marilyn, Netto Cristina, Burin Maira, Pereira Fernanda, Matte Ursula, Giugliani Roberto, Barros Elvino José Guardão
Аннотация
BACKGROUND: Fabry disease (FD) is a lysosomal storage disorder caused by a deficiency of alpha-Galactosidase A (alpha-Gal A). Fabry nephropathy typically progresses throughout the fifth decade to end-stage renal disease (ESRD), requiring hemodialysis and/or kidney transplantation.
OBJECTIVE: To estimate the prevalence of FD among ESRD males on hemodialysis treatment in Rio Grande do Sul, the southernmost state of Brazil.
METHODS: Screening for alpha-Gal A activity was performed by a dried blood spot (normal reference value: >1.5 nmoles/hour/mL). Positive screening results were confirmed by plasma alpha-Gal A activity assay (reference value: >3.3 nmoles/hour/mL).
RESULTS: Five hundred fifty-eight male patients on hemodialysis were evaluated. Of these, only two had low alpha-Gal A activity and were diagnosed with Fabry disease (0.36%). One of these, age 42, had left ventricular hypertrophy and renal manifestations of Fabry disease without the classic symptoms. The other, age 46, had the classical manifestations of angiokeratomas, acroparesthesias, hypohidrosis, and ocular opacities.
CONCLUSIONS: Although the prevalence of Fabry disease was very low in our study (0.36%), routine screening of male hemodialysis patients would enable earlier identification of many other affected relatives in their families who might benefit from specific clinical treatment.
OBJECTIVE: To estimate the prevalence of FD among ESRD males on hemodialysis treatment in Rio Grande do Sul, the southernmost state of Brazil.
METHODS: Screening for alpha-Gal A activity was performed by a dried blood spot (normal reference value: >1.5 nmoles/hour/mL). Positive screening results were confirmed by plasma alpha-Gal A activity assay (reference value: >3.3 nmoles/hour/mL).
RESULTS: Five hundred fifty-eight male patients on hemodialysis were evaluated. Of these, only two had low alpha-Gal A activity and were diagnosed with Fabry disease (0.36%). One of these, age 42, had left ventricular hypertrophy and renal manifestations of Fabry disease without the classic symptoms. The other, age 46, had the classical manifestations of angiokeratomas, acroparesthesias, hypohidrosis, and ocular opacities.
CONCLUSIONS: Although the prevalence of Fabry disease was very low in our study (0.36%), routine screening of male hemodialysis patients would enable earlier identification of many other affected relatives in their families who might benefit from specific clinical treatment.