Why the study?
Catheter ablation via a superior approach in patients lacking inferior vena cava access involves catheter instability, manipulation difficulties, multiple vascular accesses, and operator radiation exposure.
Does a 3-D mapping system facilitate catheter ablation via a superior approach in patients without inferior vena cava access?
Does a 3-D mapping system facilitate catheter ablation via a superior approach in patients without inferior vena cava access?
A 3-D mapping system can facilitate catheter ablation via a superior approach in patients lacking inferior vena cava access, potentially reducing the number of required vascular accesses and catheters.
Supports superior approach ablation with 3-D mapping in IVC-inaccessible patients; hypothesis-generating and requires prospective validation before practice change.
Catheter ablation for tachyarrhythmia via superior approach has been used in patients without possible inferior vena cava access such as in cases of venous occlusion or complex anomaly. Difficulty in catheter manipulation, instability, number of required vascular access, and radiation exposure of operator had been described in the procedure. Application of three-dimensional (3-D) mapping system in catheter ablation via superior approach could navigate the guiding catheter and provide more precise ablation. We reported four cases receiving catheter ablation due to atrioventricular nodal reentry tachycardia, atrial fibrillation and right ventricular arrhythmia via superior approach facilitated by 3-D mapping system with fewer vascular access and catheters.
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Hsu et al. (2022) studied this question.
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