Vol 61, No 10 (2004)
Other
Published online: 2005-12-12
Submitted: 2012-12-28
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Real-time three-dimensional echocardiography: still a research tool or an imaging technique ready for daily routine practice? A pilot feasibility study in a tertiary cardiology centre

Jarosław D. Kasprzak, Piotr Lipiec, Jarosław Drożdż, Maria Krzemińska-Pakuła
Kardiol Pol 2004;61(10):309-313.
Vol 61, No 10 (2004)
Other
Published online: 2005-12-12
Submitted: 2012-12-28

Abstract

Background: The majority of studies demonstrating the diagnostic potential of three-dimensional (3D) echocardiography have been conducted on selected series of patients in research laboratories.
Aim: To investigate the feasibility and usefulness of real-time 3D transthoracic echocardiography (RT 3D TTE) in daily routine practice.
Methods: The study group consisted of 35 consecutive patients referred to our echocardiographic laboratory. All subjects underwent standard 2D TTE and RT 3D TTE with the use of a commercially available ultrasound system (Sonos 7500, Philips Medical Systems). The quality of 3D acquisitions and post-processed images was graded as: insufficient, satisfactory, good or demo.
Results: 3D TTE of the study group yielded 298 acquisitions. 87,2% of acquisitions required post-processing. The quality of 3D datasets was graded as insufficient in 8,0%, satisfactory in 31,4%, good in 37,2% and demo in 23,4% of all acquisitions and reconstructions. Mean time required for 3D TTE, including post-processing, was 12 minutes. 3D reconstructions were particularly helpful in patients with valvular disease or prostheses (n=13), enabling detailed qualitative analysis of leaflets morphology and mobility. In cases of mitral valve prolapse (n=4) 3D TTE allowed identification of the prolapsing scallops. 3D color Doppler flow mapping enabled complete visualization of the regurgitant jets. "En face" reconstructions of atrial septal defects (n=2) facilitated assessment of the morphology of the defects and the tissue rims. In patients with cardiac pacemaker (n=4) 3D TTE allowed excellent visualization of the ventricular lead along with its tip. In patients with ischemic heart disease (n=14) 3D TTE failed to provide additional, clinically relevant information.
Conclusions: RT 3D TTE may be used in clinical settings with high feasibility rate and provides additional, clinically relevant qualitative information. The lack of on-board quantitative analysis tools is the main limitation of the currently available system.

Abstract

Background: The majority of studies demonstrating the diagnostic potential of three-dimensional (3D) echocardiography have been conducted on selected series of patients in research laboratories.
Aim: To investigate the feasibility and usefulness of real-time 3D transthoracic echocardiography (RT 3D TTE) in daily routine practice.
Methods: The study group consisted of 35 consecutive patients referred to our echocardiographic laboratory. All subjects underwent standard 2D TTE and RT 3D TTE with the use of a commercially available ultrasound system (Sonos 7500, Philips Medical Systems). The quality of 3D acquisitions and post-processed images was graded as: insufficient, satisfactory, good or demo.
Results: 3D TTE of the study group yielded 298 acquisitions. 87,2% of acquisitions required post-processing. The quality of 3D datasets was graded as insufficient in 8,0%, satisfactory in 31,4%, good in 37,2% and demo in 23,4% of all acquisitions and reconstructions. Mean time required for 3D TTE, including post-processing, was 12 minutes. 3D reconstructions were particularly helpful in patients with valvular disease or prostheses (n=13), enabling detailed qualitative analysis of leaflets morphology and mobility. In cases of mitral valve prolapse (n=4) 3D TTE allowed identification of the prolapsing scallops. 3D color Doppler flow mapping enabled complete visualization of the regurgitant jets. "En face" reconstructions of atrial septal defects (n=2) facilitated assessment of the morphology of the defects and the tissue rims. In patients with cardiac pacemaker (n=4) 3D TTE allowed excellent visualization of the ventricular lead along with its tip. In patients with ischemic heart disease (n=14) 3D TTE failed to provide additional, clinically relevant information.
Conclusions: RT 3D TTE may be used in clinical settings with high feasibility rate and provides additional, clinically relevant qualitative information. The lack of on-board quantitative analysis tools is the main limitation of the currently available system.
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Keywords

real-time three-dimensional echocardiography

About this article
Title

Real-time three-dimensional echocardiography: still a research tool or an imaging technique ready for daily routine practice? A pilot feasibility study in a tertiary cardiology centre

Journal

Kardiologia Polska (Polish Heart Journal)

Issue

Vol 61, No 10 (2004)

Pages

309-313

Published online

2005-12-12

Bibliographic record

Kardiol Pol 2004;61(10):309-313.

Keywords

real-time three-dimensional echocardiography

Authors

Jarosław D. Kasprzak
Piotr Lipiec
Jarosław Drożdż
Maria Krzemińska-Pakuła

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