• Medicina clinica · Mar 2024

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    Clinical differences between transthyretin cardiac amyloidosis and hypertensive heart disease.

    • Ignacio Gallo-Fernández, José López-Aguilera, Rafael González-Manzanares, Cristina Pericet-Rodriguez, Manuel Jesús Carmona-Rico, Jorge Perea-Armijo, Juan Carlos Castillo-Domínguez, Manuel Anguita-Sánchez, and en representación del Grupo de Trabajo de Insuficiencia Cardiaca del Hospital Reina Sofía.
    • Unidad de Insuficiencia Cardiaca, Servicio de Cardiología, Hospital Universitario Reina Sofía, Córdoba, España; Instituto de Investigación Biomédica de Córdoba, IMIBIC, Córdoba, España.
    • Med Clin (Barc). 2024 Mar 8; 162 (5): 205212205-212.

    IntroductionA significant percentage of patients eventually diagnosed with cardiac transthyretin amyloidosis (TTRA) was previously diagnosed with hypertensive heart disease (HHD), since both conditions usually present with heart failure (HF) with preserved ejection fraction (HFpEF) and ventricular hypertrophy. Our objectives were to evaluate the clinical, electrocardiographic and echocardiographic differences, and to analyse whether there exists a differential prognosis between these two nosological entities.Materials And MethodsWe retrospectively included all patients with HHD for whom a cardiac scintigraphy with 99mTc-diphosphonate (GDPD) and a free light chains test in blood and urine were ordered for ATTR screening in our centre, in the period between 2016 and 2021. Those diagnosed with other types of amyloidosis were excluded from the analysis.ResultsA total of 72 patients were analyzed: 33 were finally diagnosed with TTRA and 39 with CHTA. Patients with TTRA had higher levels of ultrasensitive troponin I (TnI-US) and N-terminal brain natriuretic propeptide (NT-ProBNP); in electrocardiography (ECG) they presented a pseudo-infarction pattern more frequently as well as conduction disturbances; in echocardiography (TTE) they presented a higher degree of ventricular hypertrophy, left ventricular dysfunction and worse diastolic function parameters, with elevated filling pressures. In the 4-year follow-up, the ATTR group showed greater need for pacemaker (PCM), with no evidence regarding mortality, development of atrial fibrillation (AF), or more admissions for heart failure (HF).ConclusionsIn our series, patients with TTRA showed clinical, electrocardiographic and echocardiographic differences compared to patients with HHD, with increased risk of need for PCM.Copyright © 2023. Published by Elsevier España, S.L.U.

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