Objective: To study the feasibility of using 3-dimensional (3D) echocardiography in the operating
room for mitral valve repair or replacement surgery. To perform geometric analysis
of the mitral valve before and after repair.
Design: Prospective observational study.
Setting: Academic, tertiary care hospital.
Participants: Consecutive patients scheduled for mitral valve surgery.
Interventions: Intraoperative reconstruction of 3D images of the mitral valve.
Results: One hundred and two patients had 3D analysis of their mitral valve. Successful image
reconstruction was performed in 93 patients—8 patients had arrhythmias or a dilated
mitral valve annulus resulting in significant artifacts. Time from acquisition to
reconstruction and analysis was less than 5 minutes. Surgeon identification of mitral
valve anatomy was 100% accurate.
Conclusions: The study confirms the feasibility of performing intraoperative 3D reconstruction
of the mitral valve. This data can be used for confirmation and communication of 2-dimensional
data to the surgeons by obtaining a surgical view of the mitral valve. The incorporation
of color-flow Doppler into these 3D images helps in identification of the commissural
or perivalvular location of regurgitant orifice. With improvements in the processing
power of the current generation of echocardiography equipment, it is possible to quickly
acquire, reconstruct, and manipulate images to help with timely diagnosis and surgical
planning.
Key Words
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© 2008 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
