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Articles by D. L. Ross
Total Records ( 1 ) for D. L. Ross
  C. H. C Hsieh , S. P Thomas and D. L. Ross

Background— Percutaneous approaches for radiofrequency ablation of ventricular tachycardia (VT) in the left ventricle are typically transarterial retro-aortic, antegrade transmitral via an interatrial septal puncture, or epicardial. However, all 3 approaches may be contraindicated in certain cases. We describe 2 cases of VT ablation in which aortic and mitral valve replacements did not permit utilization of any of these techniques.

Methods and Results— Direct access to the left ventricular cavity was achieved with a percutaneous puncture through the intercostal space overlying the apex in the first case and through a left minithoracotomy in the second. A sheath was then inserted via the Seldinger technique, allowing catheter access for mapping and ablation of the VT. After successful ablation, the sheaths were withdrawn and hemostasis was achieved. A large left hemothorax occurred from the left ventricular apical puncture in the first case. Direct closure with a purse-string suture in the second case achieved hemostasis.

Conclusions— Direct percutaneous left ventricular puncture is a viable option for mapping and ablation of left ventricular VT. A minithoracotomy allows better hemostatic control. This technique has a role when other percutaneous approaches are contraindicated.

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