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Related Concept Videos

Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
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Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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Related Experiment Video

Updated: Jun 22, 2026

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice
09:40

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice

Published on: May 13, 2019

Anaesthesia and right ventricular failure.

P Forrest1

  • 1Department of Anaesthetics, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia.

Anaesthesia and Intensive Care
|June 9, 2009
PubMed
Summary
This summary is machine-generated.

Acute right ventricular (RV) failure is a critical condition often seen in surgery. Strategies focus on preventing, detecting, and treating RV decompensation by managing pulmonary vascular resistance and blood pressure.

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Last Updated: Jun 22, 2026

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Area of Science:

  • Cardiology
  • Critical Care Medicine
  • Anesthesiology

Background:

  • Acute right ventricular (RV) failure is increasingly recognized as a significant cause of mortality, particularly in cardiac surgery and non-cardiac surgery patients with pulmonary hypertension.
  • RV dysfunction can stem from impaired contractility, volume/pressure overload, or ischemia secondary to increased pulmonary vascular resistance (PVR) or decreased aortic pressure.

Purpose of the Study:

  • To review the key aspects of 'RV protection' in perioperative settings.
  • To discuss strategies for prevention, detection, and treatment of RV decompensation.
  • To highlight current and emerging therapeutic options for RV failure.

Main Methods:

  • Literature review focusing on perioperative RV failure management.
  • Discussion of pathophysiological mechanisms leading to RV decompensation.
  • Analysis of pharmacological and mechanical interventions for RV support.

Main Results:

  • Minimizing PVR and maintaining systemic blood pressure are crucial for preventing RV decompensation.
  • Combination therapy (inhaled iloprost/IV milrinone with oral sildenafil) synergistically reduces PVR.
  • Newer agents like levosimendan and vasopressin show promise but require further comparative outcome data.

Conclusions:

  • Effective management of perioperative RV failure requires a multi-faceted approach.
  • Therapeutic strategies should aim to reverse underlying pathophysiology, focusing on PVR reduction and hemodynamic support.
  • Mechanical support is a consideration in refractory cases.