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Europace Advance Access originally published online on March 30, 2007
Europace 2007 9(5):325-327; doi:10.1093/europace/eum032
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© The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

PACEMAKER THERAPY

Pacing-related acute pulmonary edema and mechanical asynchrony illustrated by three-dimensional echocardiography

Chia-Tung Wu1, Chun-Li Wang1, Nazar Luqman2 and Chi-Tai Kuo1,*

1 Department of Cardiology, Chang Gung Memorial Hospital, 199, Tunhwa N. Road, Taipei, Taiwan, Republic of China; 2 The Department of Cardiology, RIPAS Hospital, Bander Seri Begawan, Brunei Darussalam

Sick sinus syndrome with symptomatic bradycardia is an indication for a permanent pacemaker. Either a single (AAIR) or dual-chamber (DDDR) pacemaker can be implanted in these patients with normal atrioventricular nodal function. This report presents a 92-year-old male with right ventricular apical pacing related recurrent acute pulmonary edema and mechanical asynchrony demonstrated by three-dimensional echocardiogram. Although three-dimensional echocardiography has been available for many years, it has seldom been applied to evaluate pacing-related intraventricular asynchrony. The systolic asynchrony index for this patient was 6.7% during AAIR pacing mode and 22% during DDDR pacing mode.

Key Words: Asynchrony, Three-dimensional echocardiogram, Pacemaker

* Corresponding author. Tel: +886-3-3281200/extn 8162; fax: +886 3 3271192. E-mail address: chitai{at}adm.cgmh.org.tw

Manuscript submitted 20 November 2006. Accepted after revision 9 February 2007.


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