ECHO 2013 / Evaluating the Post-Transcatheter Valve Patient
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Case #3
1. Mild (<10%)
2. Moderate (10-29%)
3. Severe (≥30%)
Case #5
1. Mild (<10%)
2. Moderate (10-29%)
3. Severe (≥30%)
Case #6
1. Mild (<10%)
2. Moderate (10-29%)
3. Severe (≥30%)
Case #7
1. Mild (<10%)
2. Moderate (10-29%)
3. Severe (≥30%)
Assessment of Transcatheter Valve
Regurgitation – VARC-2 Definitions
Diastolic Flow Reversal |
LVOT SV |
RVOT SV |
End-diastolic Velocity: 22.5 cm/s |
Courtesy: Dr R. Hahn |
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Changes in Valve Regurgitation
Over Time
Rodés-Cabau J et al.; JACC, 2012;60:1864–75
3D Echo for Evaluation of Paravalvular Regurgitation
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Courtesy of Dr J Chambers, |
Goncalvez; JASE |
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Guy’s Hospital, London |
2012;25:47-55 |
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Measurement of Transcatheter Valve EOA
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PW Doppler |
CW Doppler |
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LVOT Diameter |
Prosthetic Aortic |
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LVOT |
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Valve Flow |
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Effective orifice area = CSALVOT × TVILVOT
TVIPrAv
Where should we measure LVOT diameter and velocity in TAVI???
Shames et al. JASE 2012