Key result
Catheter redirection and tip manipulation can release ablation catheters entrapped in the mitral valve apparatus.
Why the study?
Ablation catheter entrapment in the mitral valve apparatus during transaortic ablation of premature ventricular complexes is a rare complication that usually requires surgical removal, with random maneuvers exacerbating entrapment.
Ablation catheter entrapment in the mitral valve apparatus can be safely managed without surgical intervention through controlled catheter advancement, reverse-direction rotation, and gentle traction.
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May facilitate nonsurgical bailout in rare entrapment; leaves open need for prospective validation before broader adoption.
Wang et al. (2026) studied this question. Changing the catheter's direction and manipulating the tip can loosen an entrapped catheter in the mitral valve apparatus during ablation procedures.
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