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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

77
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
77
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

77
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
77
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

84
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
84
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

90
A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
90
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

54
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
54

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Updated: Oct 19, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

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[Redo Aortic Valve Replacement].

Daijiro Hori1, Atsushi Yamaguchi

  • 1Department of Cardiovascular Surgery, Saitama Medical Center, Jichi Medical University, Saitama, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|September 22, 2021
PubMed
Summary
This summary is machine-generated.

Redo aortic valve replacement is often necessary due to bioprosthetic or mechanical valve failure. While less invasive options exist, traditional redo surgery offers comparable outcomes to primary procedures when performed by experienced teams.

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Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
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Area of Science:

  • Cardiovascular Surgery
  • Cardiac Valve Disease
  • Medical Technology

Background:

  • Aortic valve replacement (AVR) is increasingly common, leading to a growing need for redo AVR.
  • Bioprosthetic valves have a higher reoperation rate (56.2%) at 20 years compared to mechanical valves (7.4%).
  • Prosthetic valve endocarditis, small valve size, and poor TAVI access necessitate redo AVR over valve-in-valve TAVI.

Purpose of the Study:

  • To review current techniques and strategies for redo aortic valve replacement.
  • To highlight considerations for safe re-sternotomy and cardiopulmonary bypass.
  • To discuss the role of new prostheses and minimally invasive approaches.

Main Methods:

  • Review of literature on redo aortic valve replacement procedures.
  • Analysis of outcomes from high-volume surgical centers.
  • Discussion of surgical techniques, including re-sternotomy, cardiopulmonary bypass, and cardioplegia strategies.
  • Evaluation of novel prostheses (sutureless, rapid deployment) and minimally invasive cardiac surgery (MICS).

Main Results:

  • Redo AVR can achieve mortality rates similar to primary AVR in experienced centers.
  • Valve-in-valve transcatheter aortic valve implantation (TAVI) is less invasive but not always suitable.
  • Newer prostheses and MICS may offer advantages in tissue preservation and potentially reduce injury.

Conclusions:

  • Redo aortic valve replacement via re-sternotomy remains the gold standard.
  • Careful preparation for re-sternotomy, bypass, and cardioplegia is crucial for safety.
  • Technological advancements and MICS are evolving, but established surgical approaches are vital.