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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.
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Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
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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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Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
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Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
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Related Experiment Video

Updated: Aug 31, 2025

Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart
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Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart

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Right-Sided Mechanical Circulatory Support - A Hemodynamic Perspective.

Fatimah A Alkhunaizi1, Daniel Burkhoff2, Michael I Brener3

  • 1Division of Cardiology, Columbia University Medical Center, 622 West 168th Street, Presbyterian Hospital, 3rd Floor, Room 347, New York, NY, 10032, USA.

Current Heart Failure Reports
|August 22, 2022
PubMed
Summary
This summary is machine-generated.

Right ventricular failure requires mechanical circulatory support (MCS) when medical therapy fails. New temporary right-sided MCS devices aim for better hemodynamics, single access, and patient mobility to improve outcomes.

Keywords:
HemodynamicsMechanical circulatory supportRight ventricleRight ventricular assist device (RVAD)Right ventricular failureRight-sided

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Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Biomedical Engineering

Background:

  • Right ventricular (RV) failure is a significant contributor to patient morbidity and mortality.
  • Refractory RV failure necessitates considering mechanical circulatory support (MCS).

Purpose of the Study:

  • To review the hemodynamics of RV failure.
  • To discuss current and emerging right-sided MCS devices and their hemodynamic profiles.

Main Methods:

  • Review of current literature on RV failure and right-sided MCS.
  • Analysis of hemodynamic profiles of various temporary right-sided MCS devices.

Main Results:

  • Right-sided MCS devices bypass the RV, each with a unique hemodynamic profile.
  • Devices directly aspirating from the RV offer more favorable hemodynamics and unloading compared to those from the right atrium or inferior vena cava.
  • Novel temporary devices are focusing on single access, patient mobility, and direct RV unloading.

Conclusions:

  • Prompt recognition and intervention with right-sided MCS can improve outcomes in refractory RV failure.
  • The field of right-sided MCS is rapidly advancing with a focus on improved device functionality and patient experience.