What question did this study set out to answer?

To explore the effectiveness of cardiac resynchronization therapy in a patient with dextrocardia and situs inversus.

November 10, 2025Journal of ArrhythmiaOpen Access

Successful Cardiac Resynchronization Therapy With Defibrillator Implantation in a Patient With Isolated Dextrocardia and Situs Inversus Totalis: Role of High‐Resolution Three‐Dimensional Computed Tomography in Procedural Planning

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To explore the effectiveness of cardiac resynchronization therapy in a patient with dextrocardia and situs inversus.
Identified a suitable posterolateral coronary vein using high-resolution 3D-CT prior to the procedure.
Performed right-sided CRT-D implantation guided by 3D imaging.
Achieved optimal lead positioning and biventricular pacing.
Successful lead positioning was achieved using 3D-CT guidance.
Biventricular pacing optimized cardiac function in the patient.
The importance of preprocedural anatomical planning was highlighted in complex congenital cases.

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This report demonstrates successful cardiac resynchronization therapy in dextrocardia, indicating 3D imaging aids lead placement.

Asami et al. (2025) studied this question.

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