Restrictive cardiomyopathy (RCM) is characterized by restrictive ventricular pathophysiology determined by increased myocardial stiffness. While suspicion of RCM is initially raised by clinical evaluation and supported by electrocardiographic and echocardiographic findings, invasive hemodynamic evaluation is often required for diagnosis and management of patients during follow-up. RCM is commonly associated with a poor prognosis and a high incidence of heart failure, and PH is reported in paediatric patients with RCM. Currently, only a few therapies are available for specific RCM aetiologies. Early referral to centres for advanced heart failure treatment is often necessary. The aim of this review is to address questions frequently asked when facing paediatric patients with RCM, including issues related to aetiologies, clinical presentation, diagnostic process and prognosis.
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http://dx.doi.org/10.3390/diagnostics13243666 | DOI Listing |
Front Transplant
December 2024
Pediatric Cardiology and Adult with Congenital Heart Disease Unit, Instituto do Coração (InCor) do Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
Background: Cardiomyopathy is a disease that affects the myocardium and can be classified as dilated, restrictive, or hypertrophic cardiomyopathy. Among the subtypes, restrictive cardiomyopathy is characterized by restriction of ventricular filling and its uncommon cause is a disease due to mutation on Filamin C (FLNC) gene. Filamin C is an actin-binding protein encoded by FLNC gene and participates in sarcomere stability maintenance, which is expressed on the striated muscle.
View Article and Find Full Text PDFNat Commun
January 2025
Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Trivandrum, India.
Survival outcomes of patients with heart failure (HF) based on their disease etiology are not well described. Here, we provide one-year mortality outcomes of 10850 patients with HF (mean age = 59.9 years, 31% women) in India.
View Article and Find Full Text PDFStem Cell Res
December 2024
Institute of Physiology I, Medical Faculty, University of Bonn, Germany. Electronic address:
BAG3 contributes to the maintenance of proteostasis through chaperone-assisted selective autophagy. This function is impaired by a single amino acid exchange (P209L) in the protein, which causes myofibrillar myopathy-6 (MFM6). This disease manifests as severe skeletal muscle weakness, neuropathy and restrictive cardiomyopathy.
View Article and Find Full Text PDFASAIO J
October 2024
From the Division of Cardiovascular Critical Care, Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.
Patients with restrictive cardiomyopathy (RCM) and hypertrophic cardiomyopathy (HCM) were previously considered poor candidates for mechanical circulatory support due to technical limitations related to restrictive ventricular physiology and small ventricular size, limiting the ability to provide adequate flows and decompress the heart. Literature examining use of extracorporeal membrane oxygenation (ECMO) in this population consists of a single case series reporting no survivors. We report our experience providing ECMO in children with RCM or HCM at a large pediatric quaternary cardiac center.
View Article and Find Full Text PDFAmyloid
December 2024
Department of Cardiology, German Heart Centre Munich, TUM University Hospital, School of Medicine and Health, Technical University of Munich, Munich, Germany.
Background: Wild-type transthyretin cardiac amyloidosis (ATTRwt) is an infiltrative disease leading to restrictive cardiomyopathy. We aimed to characterise exercise capacity in ATTRwt and to identify predictors of cardiopulmonary fitness, focusing on echocardiographic and clinical parameters.
Methods: We studied 110 ATTRwt patients from a prospective single-centre registry (2020-2024) by cardiopulmonary exercise testing (CPET).
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