Sutureless aortic valve and TAVI: pros and cons

Area of Science:

• Cardiovascular Surgery
• Interventional Cardiology
• Biomaterials Science

Background:

• Aortic valve replacement (AVR) with biological valves is standard for symptomatic aortic stenosis in older patients.
• Transcatheter aortic valve implantation (TAVI) is effective in high-risk patients and comparable to AVR in the long term.
• TAVI is a non-inferior alternative to surgery in intermediate-risk patients, but with differing adverse event profiles.

Purpose of the Study:

• To compare the efficacy and safety of TAVI versus conventional AVR and sutureless valve implantation.
• To evaluate treatment outcomes in intermediate and high-risk patients undergoing aortic valve procedures.
• To determine the role of sutureless bioprostheses in conventional AVR.

Main Methods:

• Review of randomized controlled trials and retrospective propensity-matched analyses.
• Comparison of transfemoral TAVI with standard AVR and sutureless valve implantation.
• Analysis of perioperative complications and survival rates at short and mid-term.

Main Results:

• TAVI is superior to medical treatment in high-risk patients and comparable to AVR in high-risk patients at 5 years.
• TAVI is a non-inferior alternative to surgery in intermediate-risk patients.
• Retrospective analysis showed TAVI associated with higher perioperative complications and lower survival in intermediate-to-high-risk patients compared to conventional surgery and sutureless valves.

Conclusions:

• More data is needed to definitively compare TAVI and conventional surgery in intermediate-risk patients.
• Sutureless bioprostheses present a potential alternative to standard bioprostheses for conventional AVR in intermediate and high-risk patients.