• Medicina clinica · Nov 2024

    Multicenter Study

    Prevalence of Fabry disease in patients with left ventricular hypertrophy and renal involvement (PrEFaCe).

    • Cristina García Sebastián, Vicente Climent Payá, Juan Carlos Castillo, José Ángel Urbano-Moral, Aurora Ruz Zafra, María José Valle Caballero, José Luis Zamorano, and en representación de los investigadores del estudio PrEFaCe.
    • Servicio de Cardiología, Hospital Universitario Ramón y Cajal, Madrid, España; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, España. Electronic address: cristina.garcias01@gmail.com.
    • Med Clin (Barc). 2024 Nov 29; 163 (10): 503508503-508.

    Introduction And AimsFabry disease (FD) causes glycosphingolipid accumulation in the vascular endothelium, with predominantly cardiac and renal involvement. Its prevalence in patients with concomitant involvement of these two organs is unknown. The objective of the study was to determine the prevalence of FD in patients with left ventricular hypertrophy and any degree of chronic kidney disease.Patients And MethodsPatients with ventricular thickness ≥13mm and kidney disease from 29 Spanish hospitals were included. Sociodemographic variables and target organ involvement of FD were collected. Laboratory determinations of EF were carried out, with an enzymatic activity test±genetic test in men and direct genetic test in women.ResultsEight hundred ninety-eight patients with left ventricular hypertrophy and chronic kidney disease were included. The presence of heart failure and cardiorenal syndrome was common (46.1% and 40.1%). Three patients (2 men and 1 woman) were diagnosed with FD, based on the presence of a pathogenic variant in the GLA gene and classic signs of FD, resulting in a prevalence of 0.33% (CI 95% 0.06-1%). Six patients (0.66%) presented genetic variants of unknown significance, without showing classic signs of FD, while in 13 patients (3.2%) performing the blood test was impossible.ConclusionsFD is an important cause of left ventricular hypertrophy and chronic kidney disease. Genetic diagnosis is crucial for avoiding biases and ensuring accurate identification of FD, especially in women. The results support the inclusion of this disease in the differential diagnosis of patients with ventricular hypertrophy ≥13mm and chronic kidney disease.Copyright © 2024 Elsevier España, S.L.U. All rights reserved.

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