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Related Concept Videos

Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

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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...
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Heart Failure II: Pathophysiology01:29

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Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
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Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

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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...
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Cardiomyopathy II: Dilated Cardiomyopathy01:30

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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,...
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Cardiomyopathy V: Interprofessional Care01:29

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Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
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Cardiomyopathy I: Introduction and Classification01:25

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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...
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Related Experiment Video

Updated: Aug 9, 2025

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Right Ventricular Morphology and Function after Exercise Training in People with Systemic Sclerosis: A Randomized

Maria Anifanti1, Andriana Teloudi1, Alexandros Mitropoulos2

  • 1Laboratory of Sports Medicine, Department of Physical Education and Sports Science, Aristotle University of Thessaloniki, 57001 Thessaloniki, Greece.

Life (Basel, Switzerland)
|February 25, 2023
PubMed
Summary

A 12-week exercise program significantly improved cardiorespiratory fitness and right ventricular (RV) systolic function in systemic sclerosis (SSc) patients. This study highlights exercise benefits for cardiac health in SSc.

Keywords:
cardiopulmonary exercise testingechocardiographyexercise trainingright ventricular functionsystemic sclerosis

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Area of Science:

  • Cardiology
  • Exercise Physiology
  • Rheumatology

Background:

  • Systemic sclerosis (SSc) is associated with vascular dysfunction and multi-organ involvement, impacting patient prognosis.
  • While exercise improves vascular function in SSc, its effects on cardiac, specifically right ventricular (RV), function remain unexplored.
  • Investigating exercise's impact on RV morphology and function is crucial for managing SSc patients.

Purpose of the Study:

  • To determine if a 3-month combined exercise program can improve RV morphology and function in SSc patients.
  • To assess the effects of exercise on cardiorespiratory efficiency and RV systolic function.

Main Methods:

  • Twenty-eight SSc patients were randomized into exercise training (ET) or control (CON) groups.
  • Assessments included cardiopulmonary exercise testing and 2D speckle tracking echocardiography (2DSTE) for RV evaluation.
  • The ET group underwent 12 weeks of supervised combined exercise; the CON group received usual care.

Main Results:

  • The ET group showed a 25.1% increase in peak oxygen consumption (p < 0.001).
  • Significant improvements in global RV free wall longitudinal systolic strain (+6.69%, p < 0.03) and basal segment strain (+13.5%, p < 0.001) were observed in the ET group.
  • Global RV four-chamber longitudinal systolic strain also improved by 6.76% (p < 0.03) in the ET group, with no changes in the CON group.

Conclusions:

  • Combined exercise training enhances cardiorespiratory efficiency in SSc patients.
  • Exercise programs improve key indices of RV systolic function, as measured by 2DSTE, in SSc.
  • These findings suggest exercise is a viable intervention for improving cardiac outcomes in SSc.