International journal of cardiology · 2008
Onset and progression of the Anderson-Fabry disease related cardiomyopathy.
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Kampmann Christoph, Linhart Ales, Baehner Frank, Palecek Tomas, Wiethoff Christiane M, Miebach Elke, Whybra Catharina, Gal Andreas, Bultas Jan, Beck Michael
Аннотация
BACKGROUND: Cardiac involvement is responsible for substantial morbidity and mortality in Anderson-Fabry disease (AFD). We sought to document its onset and progression in a population of male and female AFD patients.
METHODS: We performed a cross sectional echocardiographic study of a cohort of 177 male and female AFD patients with subsequent longitudinal follow-up of 76 patients (38 males and 38 females; mean follow-up 4.5 years) who did not receive enzyme replacement therapy.
RESULTS: In this population, aged 3.3 to 70.8 years, a strong correlation between age and left ventricular mass indexed (LVMi, g/m(2.7)) was found in both males and females (P<0.0001 for both). At the initial examination 48.6% of the male patients and 36.4% of the female patients were classified as having left ventricular hypertrophy (LVH). The cumulative prevalence of LVH peaked at age 40 years in males and 60 years in females. In patients with longitudinal follow-up, LVMi increased by 4.07+/-1.03 g/m(2.7) per year in males and by 2.31+/-0.81 g/m(2.7) in females (P<0.01, Wilcoxon rank sum). In patients with LVH at baseline, the median progression rate was 5.52 g/m(2.7) per year in males and by 1.80 g/m(2.7) in females (P=0.12).
CONCLUSION: AFD is associated with high prevalence of LVH in both genders. However, the age of onset is delayed in females and progression rate slower.
METHODS: We performed a cross sectional echocardiographic study of a cohort of 177 male and female AFD patients with subsequent longitudinal follow-up of 76 patients (38 males and 38 females; mean follow-up 4.5 years) who did not receive enzyme replacement therapy.
RESULTS: In this population, aged 3.3 to 70.8 years, a strong correlation between age and left ventricular mass indexed (LVMi, g/m(2.7)) was found in both males and females (P<0.0001 for both). At the initial examination 48.6% of the male patients and 36.4% of the female patients were classified as having left ventricular hypertrophy (LVH). The cumulative prevalence of LVH peaked at age 40 years in males and 60 years in females. In patients with longitudinal follow-up, LVMi increased by 4.07+/-1.03 g/m(2.7) per year in males and by 2.31+/-0.81 g/m(2.7) in females (P<0.01, Wilcoxon rank sum). In patients with LVH at baseline, the median progression rate was 5.52 g/m(2.7) per year in males and by 1.80 g/m(2.7) in females (P=0.12).
CONCLUSION: AFD is associated with high prevalence of LVH in both genders. However, the age of onset is delayed in females and progression rate slower.