• Medicina clinica · Apr 2024

    Incidence and causes of hospitalization in patients with transthyretin (ATTR-CA) and light chain (AL-CA) cardiac amyloidosis.

    • Daniel Enríquez-Vázquez, Carlos Gómez-Martín, Gonzalo Barge-Caballero, Eduardo Barge-Caballero, Manuel López-Pérez, Raquel Bilbao-Quesada, Eva González-Babarro, Inés Gómez-Otero, Andrea López-López, Mario Gutiérrez-Feijoo, Alfonso Varela-Román, and María G Crespo-Leiro.
    • Unidad de Insuficiencia Cardiaca Avanzada y Trasplante Cardiaco, Servicio de Cardiología. Complexo Hospitalario Universitario A Coruña (CHUAC), A Coruña, España; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III, Madrid, España.
    • Med Clin (Barc). 2024 Apr 12; 162 (7): e1e7e1-e7.

    Introduction And ObjetivesCardiac amyloidosis (CA) is a disorder associated with high number of hospital admissions. Given the scarce information available, we propose an analysis of the incidence and causes of hospitalization in this disease.Material And MethodsOne hundred and forty-three patients [128 by transthyretin (ATTR-CA) and 15 by light chains (AL-CA)] included in Registro de Amiloidosis Cardiaca de Galicia (AMIGAL) were evaluated, including all hospitalizations.ResultsDuring a median follow-up of 959 days there were 179 unscheduled hospitalizations [incidence rate (IR) 512.6 admissions per 1000 patients-year], most common due to cardiovascular reasons (n=109, IR 312.2). Most frequent individual cause of hospitalization was heart failure (n=87, TI 249.2). AL-CA was associated with a higher IR of unscheduled hospitalizations than ATTR-CA (IR 781 vs. 483.2; HR 1.62; p=0,029) due to non-cardiovascular admissions (IR 376 vs. 181.2; HR 2.07; p=0.027). Unscheduled admission-free survival at 1 and 3 years in AL-CA was inferior than in ATTR-CA (46.7% and 20.0% vs. 73.4% and 35.2%, respectively; p=0.021).ConclusionsCA was associated with high incidence of hospitalizations, being heart failure the most frequent individual cause; unscheduled admission-free survival in AL-CA was lower than in ATTR-CA due mostly to non-cardiovascular admissions.Copyright © 2024 Elsevier España, S.L.U. All rights reserved.

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