Key result
Contact force-sensing catheter ablation successfully terminated cavotricuspid isthmus-dependent atrial flutter within a deep pouch below a bioprosthetic tricuspid valve.
Contact force-sensing irrigated ablation catheters can successfully guide ablation of cavotricuspid isthmus-dependent atrial flutter in patients with prior tricuspid valve replacement.
Single-case success with contact force-sensing catheters suggests feasibility for CTI ablation post-tricuspid replacement; leaves open need for prospective validation.
A 46-year-old man after a tricuspid valve replacement due to traumatic severe tricuspid regurgitation developed cavotricuspid isthmus-dependent counterclockwise atrial flutter. During a linear ablation using a contact force-sensing irrigated ablation catheter, the flutter could be terminated by a radiofrequency application within a deep pouch just below the bioprosthetic tricuspid valve.
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Goto et al. (2014) studied this question. Contact force-sensing catheter ablation successfully terminated cavotricuspid isthmus-dependent atrial flutter within a deep pouch below a bioprosthetic tricuspid valve.
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