Related Experiment Video
Updated: Jun 22, 2026
08:50
Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
Published on: March 26, 2018
[Present and future of aortic valve selection based on the current guidelines].
1Department of Cardiovascular Surgery, Jikei University School of Medicine, Tokyo, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|June 16, 2009
Summary
Tissue valves are recommended for patients over 65. However, younger patients increasingly choose bioprosthetic valves, while older patients rarely select mechanical valves, indicating a need for further research on aortic valve selection.
Area of Science:
- Cardiovascular Medicine
- Surgical Innovation
- Biomaterials Science
Context:
- Current guidelines from the American Heart Association (AHA)/American College of Cardiology (ACC) and Japanese Circulation Society recommend tissue valves for patients over 65.
- Bioprosthetic aortic valves are increasingly used in patients under 65 due to improved durability.
- Patient choice significantly influences aortic valve selection, with younger patients favoring bioprosthetic options.
Purpose:
- To evaluate the appropriateness of current aortic valve selection criteria.
- To analyze patient preferences for bioprosthetic versus mechanical aortic valves across different age groups.
- To investigate the factors influencing the increasing use of bioprosthetic valves in younger populations.
Summary:
- Bioprosthetic valve use is rising in patients under 65, with 16% choosing them for anticoagulation-free benefits despite reoperation risks.
- Conversely, only 6% of patients over 65 opt for mechanical prostheses.
- This highlights a divergence from current guidelines and suggests patient preference plays a key role.
Impact:
- The findings challenge established guidelines for aortic valve replacement, particularly for younger patients.
- Highlights the need for personalized treatment strategies considering patient preference and valve durability.
- Underscores the necessity for prospective randomized trials to resolve controversies in aortic valve selection.
Related Concept Videos
01:25Aortic Regurgitation III: Medical Management
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...
01:15Aortic Regurgitation I: Introduction
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...
01:26Mitral Stenosis III: Medical Management
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
01:22Mitral Valve Prolapse II: Assessment and Management
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.
01:25Mitral Regurgitation III: Medical Management
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
01:17Aortic Regurgitation IV: Nursing Management
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...