RT-118
|
Echo-doppler determination of
the interatrial electromechanical conduction time. Comparison with the interatrial
conduction time
|
|
|
Lanfranco Antonini, Salvatore
Greco, Salvatore Toscano, Dennis Konopacki, Massimo Santini.
Department of Heart Diseases, San Filippo Neri Hospital, Rome, Italy
|
|
Abstract
|
|
The determination of the interatrial conduction time
(IACT) is useful to optimize the AV interval of dual chambers pacemakers (DDD).
The IACT is determined using a bipolar transesophageal catheter. We propose the use of
the interatrial electromechanical conduction time (IAEMCT) measured from the PM atrial
spike to the beginning of the A wave of the transmitral flow by echo-doppler.
IACT and IAEMCT were compared in 36 pts with DDD.
There were no statistical significant differences between IACT and IAEMCT.
IAEMCT evaluates better the real AV synchronism since the electromechanical coupling
is included.
|
Key Words
|
|
Pacing assessment – follow-up
DDD pacemakers, interatrial conduction time, interatrial electromechanical conduction
time, Doppler echocardiography, Doppler mitral velocity wave, OA
|
