Key result
Quantitative modeling revealed the lower turnaround point in typical AVNRT was within the His bundle in 20 of 52 patients, in the nodal-His junction in 3, and above the His bundle in 29.
Population
70 patients with typical AV nodal reentrant tachycardia (AVNRT)
Design
Cohort
Authors
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Challenges intranodal AVNRT model in ~one-third of cases; extends His bundle observations but leaves implications hypothesis-generating.
Observational (n=70)
In approximately one-third of patients with typical AVNRT, the lower turnaround point of the circuit is located within the His bundle, challenging the concept that all AVNRTs have an exclusively intranodal circuit.
Li et al. (2000) conducted an observational in Typical AV Nodal Reentrant Tachycardia (AVNRT) (n=70). Electrophysiological measurements and quantitative modeling was evaluated on Location of the lower turnaround point in AVNRT. Quantitative modeling revealed the lower turnaround point in typical AVNRT was within the His bundle in 20 of 52 patients, in the nodal-His junction in 3, and above the His bundle in 29.
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