[Idiopathic cardiomyopathies in children: a description of two rare cases (author's transl)]

Giornale Italiano Di Cardiologia
|January 1, 1977
PubMed

Insights

Idiopathic cardiomyopathy in children presents with atypical features, challenging typical classifications. These cases highlight unique clinical and angiographic variations in pediatric heart muscle disease.

Area of Science:

  • Pediatric Cardiology
  • Cardiovascular Research
  • Medical Case Studies

Background:

  • Idiopathic cardiomyopathies encompass a group of heart muscle diseases with unknown causes.
  • Classifying pediatric idiopathic cardiomyopathy is crucial for diagnosis and management.
  • Typical forms include dilating and restrictive cardiomyopathy.

Observation:

  • Two pediatric cases of idiopathic cardiomyopathy exhibited atypical clinical and angiographic findings.
  • Case 1 presented with non-obstructive or dilating cardiomyopathy and multiple left ventricular posterobasal semilunar dilatations.
  • Case 2 showed restrictive cardiomyopathy affecting only the left ventricle, with significant left atrial and right-sided chamber dilatation.

Findings:

  • The observed cases demonstrated unique anatomical variations not conforming to typical idiopathic cardiomyopathy presentations.
  • Angiocardiography revealed distinct features, including localized dilatations and asymmetric ventricular involvement.
  • These findings suggest a spectrum of idiopathic cardiomyopathy with intermediate forms.

Implications:

  • Recognizing atypical presentations is vital for accurate diagnosis in pediatric idiopathic cardiomyopathy.
  • These cases expand the understanding of the variability within pediatric heart muscle diseases.
  • Further research into the spectrum of idiopathic cardiomyopathies may improve patient outcomes.

Related Concept Videos

Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...