Research Article
Valve-Sparing Aortic Root Replacement Technique: Valsalva Graft versus Two Straight Tubular Grafts
Figure 4
Kaplan–Meier freedom from moderate and severe aortic insufficiency of valve-sparing aortic root replacement patients who underwent David-V-Valsalva (5-year: 91%) or David-V-Smod (5-year: 96%) techniques ().