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Rapid Deployment Valves Are Advantageous in the Redo Setting: A Single-Centre Retrospective Study
Abigail White1,2, Quynh Nguyen3, Yongzhe Hong1,2
1Division of Cardiac Surgery, Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
CJC Open
|April 7, 2022
Summary
Rapid deployment valves (RDVs) offer comparable outcomes to traditional sutured valves (TSVs) in reoperative aortic valve replacement. RDVs streamline operations, reducing cross-clamp and bypass times, even in older patients.
Area of Science:
- Cardiovascular Surgery
- Medical Devices
- Clinical Outcomes
Background:
- Aortic valve disease management is evolving.
- Reoperative aortic valve replacement (AVR) presents unique challenges.
- The role of rapid deployment valves (RDVs) in reoperative AVR requires further clarification.
Purpose of the Study:
- To compare the outcomes of RDVs versus traditional sutured valves (TSVs) in reoperative AVR.
- To clarify the effectiveness and safety of RDVs in a complex patient population.
Main Methods:
- Retrospective review of 307 patients undergoing a second surgical AVR from 2010-2019.
- Patients were divided into RDV (n=53) and TSV (n=254) groups.
- Cox proportional hazards regression was used to analyze outcomes, adjusting for baseline characteristics. Primary outcome was 3-year major adverse cardiovascular events (MACE).
Main Results:
- RDV patients were significantly older (by 10 years) than TSV patients.
- RDV group experienced shorter cardiopulmonary bypass (CPB) times.
- No significant difference in 3-year MACE was observed between RDV and TSV groups.
Conclusions:
- RDVs facilitate smoother reoperative AVR procedures, reducing cross-clamp and CPB times.
- RDVs demonstrate comparable clinical outcomes to TSVs in reoperative AVR.
- RDVs are a viable option for reoperative AVR, even in older, sicker patients.
