Application of Color Doppler Flow Mapping to Calculate
Orifice Area of St Jude Mitral Valve
by Dominic Y. Leung, James Wong, Leonardo Rodriguez, Min Pu, Pieter M.
Vandervoort, and James D. Thomas
Circulation
Volume 98(12):1205-1211
September 22, 1998
Copyright © American Heart Association, Inc. All rights reserved.
Flow convergence zone proximal to St Jude mitral valve on color Doppler (left).
Dominic Y. Leung et al. Circulation. 1998;98:1205-1211
Copyright © American Heart Association, Inc. All rights reserved.
Correlation between flow rate measured by timed collections (x axis) and flow rate calculated by
conventional hemispheric PISA method (y axis) in in vitro steady-flow study (top).
Dominic Y. Leung et al. Circulation. 1998;98:1205-1211
Copyright © American Heart Association, Inc. All rights reserved.
Correlation between flow rate measured by timed collections (x axis) and flow rate calculated by
SOS (y axis) in in vitro study (top).
Dominic Y. Leung et al. Circulation. 1998;98:1205-1211
Copyright © American Heart Association, Inc. All rights reserved.
CW Doppler examination of flow across central and side orifices of St Jude mitral valve in a
patient.
Dominic Y. Leung et al. Circulation. 1998;98:1205-1211
Copyright © American Heart Association, Inc. All rights reserved.
Correlation between thermodilution cardiac output (CO, x axis) and CO calculated by
conventional PISA method (y axis) in clinical study (top).
Dominic Y. Leung et al. Circulation. 1998;98:1205-1211
Copyright © American Heart Association, Inc. All rights reserved.
Correlation between thermodilution cardiac output (CO, x axis) and CO calculated by SOS
method (y axis) in clinical study (top).
Dominic Y. Leung et al. Circulation. 1998;98:1205-1211
Copyright © American Heart Association, Inc. All rights reserved.
EOAs of St Jude valves calculated by 4 different methods and their corresponding geometric
orifice area.
Dominic Y. Leung et al. Circulation. 1998;98:1205-1211
Copyright © American Heart Association, Inc. All rights reserved.