1. Size and distensibility of the aortic root and aortic valve function after different techniques of the Ross procedure 
Claudia Schmidtke, MDa, J.F.Matthias Bechtel, MDa, Michael Hueppe, PhDb, Axel Noetzold, MDa, Hans-Hinrich Sievers, MD, FETCSa 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 119, Issue 5, Pages (May 2000)
DOI: /S (00)
Copyright © 2000 American Association for Thoracic Surgery Terms and Conditions

2. Fig. 1
Transthoracic echocardiographic picture of the aortic root with indication of the level of diameter measurements.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (00) )
Copyright © 2000 American Association for Thoracic Surgery Terms and Conditions

3. Fig. 2
Diagram of maximum aortic root dimensions of the different anatomical levels. Note the significantly increased diameter of the freestanding root technique at sinus level. (A ) Group A, freestanding root technique, (B ) group B, inclusion technique, (C ) group C, subcoronary technique, and (D ) group D, control subjects.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (00) )
Copyright © 2000 American Association for Thoracic Surgery Terms and Conditions

4. Fig. 3
Echocardiographic appearance of the longitudinal view of the aortic root shows the increased sinus diameter of a patient with a freestanding root.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (00) )
Copyright © 2000 American Association for Thoracic Surgery Terms and Conditions

5. Fig. 4
Diagram of the maximum diameter at sinus level of group A (freestanding root) in relation to the duration of follow-up compared with control subjects (shaded area ; mean ± 2 SD). There was no obvious relation between the parameters.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (00) )
Copyright © 2000 American Association for Thoracic Surgery Terms and Conditions