Why the study?
Does a discrete cryosurgical procedure prevent recurrence in patients with AV node reentrant tachycardia?
Does a discrete cryosurgical procedure prevent recurrence in patients with AV node reentrant tachycardia?
A discrete cryosurgical procedure effectively eliminated AV node reentrant tachycardia without causing AV block in a small cohort followed for up to 5 years.
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Supports cryosurgery for AVNRT without AV block; leaves open efficacy in larger prospective trials.
Cox et al. (1987) studied this question.
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