Catheter ablation of ventriculoatrial conduction can be an effective treatment for pacemaker-mediated tachycardia when reprogramming is inadequate.
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May support ablation of VA conduction in refractory PMT; leaves open need for prospective validation.
Pacemaker generator reprogramming does not always present an adequate solution to the problem of pacemaker-mediated tachycardia. A case is described where direct current shock catheter ablation of ventriculoatrial conduction prevented pacemaker-mediated tachycardia and allowed optimal dual chamber pacemaker programming.
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Pitney et al. (1991) studied this question.
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