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Continuous suture technique for freedom stentless valve: reduced crossclamp time
Sven Beholz1, Simon Dushe, Wolfgang Konertz
1Department of Cardiovascular Surgery, Charité-University Medicine Berlin, Luisenstr. 65, Berlin 10117, Germany. sven.beholz@charite.de
Asian Cardiovascular & Thoracic Annals
|March 23, 2006
Summary
A continuous suture technique for the Pericarbon Freedom stentless valve did not alter hemodynamics but shortened cardiopulmonary bypass and crossclamp times in patients undergoing valve replacement.
Area of Science:
- Cardiovascular Surgery
- Medical Devices
- Surgical Techniques
Background:
- The Pericarbon Freedom stentless valve is known for excellent hemodynamics.
- Suture techniques at the inflow site may influence surgical times and patient outcomes.
Purpose of the Study:
- To compare the hemodynamic effects and surgical times of continuous versus interrupted suture techniques for the Pericarbon Freedom stentless valve.
Main Methods:
- A prospective, case-matched study involving 139 patients (68 continuous suture, 71 interrupted suture).
- Isolated valve replacement was performed in the majority of patients in both groups.
- Echocardiography was used to assess hemodynamic parameters (gradients, regurgitation) at discharge and 1-year follow-up.
Main Results:
- The continuous suture group experienced significantly shorter cardiopulmonary bypass (22.4 min) and crossclamp times (20.6 min).
- No significant differences in mean or peak gradients, or regurgitation, were observed between the two suture techniques.
- Overall mortality was low (5.0%) and unrelated to the valve or surgical technique.
Conclusions:
- Continuous suture technique for the Pericarbon Freedom stentless valve is safe and effective, reducing surgical times without compromising hemodynamic performance.
- The choice of suture technique does not significantly impact short- or long-term hemodynamic outcomes in patients receiving this valve.