Related Experiment Video
Updated: Mar 18, 2026

14:14
Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
14.9K
Do rapid deployment aortic valves improve outcomes compared with surgical aortic valve replacement?
Reece A Davies1,2, Thilina D Bandara3, Nisal K Perera3
1Department of Cardiothoracic Surgery, Westmead Hospital, Sydney, Australia reece_davies@yahoo.com.au.
Interactive Cardiovascular and Thoracic Surgery
|July 3, 2016
Summary
Rapid deployment valves (RDVs) offer shorter aortic cross-clamp times in aortic valve replacement (AVR). While mortality and length of stay are similar, RDVs show reduced bleeding and renal injury, suggesting potential clinical benefits.
Area of Science:
- Cardiovascular Surgery
- Medical Devices
- Bioprosthetics
Background:
- Aortic valve replacement (AVR) is a critical procedure for severe aortic stenosis.
- Conventional AVR involves significant procedural time and associated risks.
- Rapid deployment valves (RDVs) aim to reduce procedural time and potential complications.
Observation:
- A systematic review of 11 studies compared RDVs (balloon-expandable and self-expanding) with conventional AVR.
- RDVs consistently demonstrated shorter aortic cross-clamp times.
- Patient risk profiles were comparable or higher in the RDV group.
Findings:
- Postoperative mortality, ICU, and hospital length of stay were similar between RDVs and conventional AVR.
- RDVs were associated with significantly reduced postoperative bleeding, blood transfusion needs, ventilation time, and renal injury.
- Hemodynamic profiles often showed lower transvalvular gradients with RDVs, though some exceptions exist.
- Pacemaker implantation rates were higher with RDVs in certain studies.
Implications:
- RDVs represent a viable alternative to conventional AVR in selected patients.
- Shorter procedural times with RDVs may translate to clinical benefits, including reduced morbidity.
- Further long-term data are needed to fully establish the durability and safety of RDVs.
More Related Videos
Related Concept Videos
Aortic Regurgitation III: Medical Management
540
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...
540
Aortic Regurgitation I: Introduction
1.1K
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...
1.1K
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
819
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...
819

