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Related Concept Videos

Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

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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Related Experiment Video

Updated: Jun 24, 2026

Functional Assessment of the Donor Heart During Ex Situ Perfusion: Insights from Pressure-Volume Loops and Surface Echocardiography
08:21

Functional Assessment of the Donor Heart During Ex Situ Perfusion: Insights from Pressure-Volume Loops and Surface Echocardiography

Published on: October 11, 2022

Changes in right ventricular function during continuous-flow left ventricular assist device support [corrected].

Micha T Maeder1, Angeline Leet, Andrew Ross

  • 1Heart Failure Research Group, Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia.

The Journal of Heart and Lung Transplantation : the Official Publication of the International Society for Heart Transplantation
|April 1, 2009
PubMed
Summary
This summary is machine-generated.

Continuous-flow left ventricular assist device (LVAD) support does not worsen pre-existing right ventricular (RV) dysfunction in patients with heart failure. This study characterizes intermediate-term RV functional changes during LVAD support.

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Last Updated: Jun 24, 2026

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Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
07:11

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography

Published on: October 28, 2020

Area of Science:

  • Cardiology
  • Medical Devices
  • Heart Failure Management

Background:

  • Studies suggest limited reverse remodeling in the right ventricle (RV) during left ventricular assist device (LVAD) support.
  • Intermediate-term functional changes in RV function in refractory heart failure (HF) patients on continuous LVAD are not well understood.

Purpose of the Study:

  • To characterize intermediate-term functional changes in RV function in patients with refractory HF supported by a continuous-flow LVAD.

Main Methods:

  • 20 patients with refractory HF underwent serial transthoracic echocardiograms and biochemical measurements before and after continuous-flow LVAD implantation.
  • Measurements assessed disease severity and organ perfusion.

Main Results:

  • RV diameter and right atrial area decreased significantly post-LVAD implantation (p=0.04).
  • Tricuspid annulus plane systolic excursion showed a trend toward reduction (p=0.05).
  • Global RV dysfunction did not change significantly, and pre-existing RV dysfunction persisted, correlating with baseline RV function (r=0.69, p=0.001).

Conclusions:

  • Continuous-flow LVAD support does not exacerbate pre-existing right ventricular dysfunction in the intermediate term.
  • RV dysfunction severity post-LVAD is closely related to pre-implant RV function.