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CRT in a congenital heart disease patient with interventricular dyssynchrony due to an RV conduction delay |
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| Authors: | Aya Miyazaki MD Hayato Matsutani Yuta Nakano Tadashi Ikeda MD Hideki Uemura MD Hiraku Doi MD |
| Institution: | 1. Congenital Heart Disease Center Tenri Hospital, Tenri, Japan;2. Department of Clinical Laboratory, Tenri Hospital, Tenri, Japan;3. Department of Clinical Engineering, Tenri Hospital, Tenri, Japan;4. Department of Cardiovascular Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan;5. Congenital Heart Disease Center, Nara Medical University, Nara, Japan |
| Abstract: | We encountered a unique pattern of cardiac dyssynchrony in a patient with complex congenital heart disease (heterotaxy syndrome) with a biventricular physiology and systemic left ventricle (LV). On speckle tracking echocardiography, dyssynchrony was not detected within the LV, but was noted in an interventricular fashion between the LV and right ventricle (RV). An electrophysiologic study revealed a conduction delay in the subpulmonary RV. Cardiac resynchronization therapy provided reverse cardiac remodeling and an excellent result in our patient by placing the pacing leads around the dyssynchronous lesion. |
| Keywords: | cardiac resynchronization therapy congenital heart disease heterotaxy syndrome interventricular dyssynchrony RV conduction delay |