Expert Techniques
Novel Sizing of Valsalva Graft for David Operation
![](https://ctsnet.freelock.com/wp-content/uploads/2024/02/Tsagakis-196x278.jpg)
Konstantinos Tsagakis
Surgeon - Cardiothoracic
West German Heart and Vascular Center Essen, University Hospital Of Essen, Department of Thoracic and Cardiovascular Surgery
Hufelandstr. 55, Essen, 45122, Germany