1. Relative amplitude index: A new tool for hemodynamic evaluation of periprosthetic regurgitation after transcatheter valve implantation 
Anneliese Heinz, MD, Michael DeCillia, MS, Gudrun Feuchtner, MD, Silvana Mueller, MD, Thomas Bartel, MD, Guy Friedrich, MD, Michael Grimm, MD, Ludwig Ch. Mueller, MD, Nikolaos Bonaros, MD, PhD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 147, Issue 3, Pages e2 (March 2014)
DOI: /j.jtcvs
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Kaplan-Meier graph for survival in the whole study population.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Kaplan-Meier graph for survival for RAI <14 versus ≥14. RAI, Relative amplitude index.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

4. Figure E1
Receiver operating characteristics (ROC) for relative amplitude index (RAI) as predictor of 30-day mortality. CI, Confidence interval.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

5. Figure E2
Correlations between (A) RAI and PAR; (B) blood pressure amplitude (BPA) and PAR; and (C) diastolic blood pressure (DBP) and PAR. RAI, Relative amplitude index; PAR, paravalvular aortic regurgitation; TAVI, transcatheter aortic valve implantation.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions