Evidence map›Paper›PMID 42183006›Full record

ArticleHeart rhythm O22026

Induction indices during ventricular pacing as an alternative diagnostic tool in supraventricular tachycardias.

Akinobu Mizutani, Masato Okada, Mebae Mizutani, Naoko Miyazaki, Koji Tanaka, Yuko Hirao, Kohei Iwasa, Heitaro Watanabe, Yasushi Koyama, Yoshitaka Iwanaga and 4 more

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Article in Heart rhythm O2, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

14 authors.

Akinobu MizutaniCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Masato OkadaCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Mebae MizutaniCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Naoko MiyazakiCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Koji TanakaCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Yuko HiraoCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Kohei IwasaCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Heitaro WatanabeCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Yasushi KoyamaCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Yoshitaka IwanagaCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Atsunori OkamuraCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Katsuomi IwakuraCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.
Yasushi SakataDepartment of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka, Japan.
Nobuaki TanakaCardiovascular Center, Sakurabashi Watanabe Advanced Healthcare Hospital, Osaka, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Pacing maneuvers are fundamental for differentiating supraventricular tachycardia (SVT) mechanisms, but interpretation may be limited when tachycardia cannot be sustained. Objective: This study aimed to determine whether SVT induction indices during ventricular pacing (VP) provide diagnostic information comparable with conventional ventricular overdrive pacing (VOP). Methods: We retrospectively analyzed 92 SVTs (91 patients) induced by VP: 10 atrial tachycardias (ATs), 41 atrioventricular nodal reentrant tachycardias (AVNRTs), and 41 orthodromic reciprocating tachycardias (ORTs). The induction ventriculoatrial sequence and induction postpacing interval (iPPI), defined as the interval from the last VP stimulus to the first ventricular electrogram of induced SVT, were assessed. The difference between the iPPI and tachycardia cycle length (iPPI-TCL) was compared with the conventional postpacing interval (PPI)-TCL in cases successfully entrained by VOP. Results: All ATs were induced with a ventricular-atrial-atrial-ventricular sequence, whereas all AVNRT and ORT exhibited a ventricular-atrial-ventricular sequence, fully concordant with post-VOP sequences. The iPPI-TCL was significantly longer in AVNRT than ORT (180 [150, 201] vs 80 ms [50, 129]; Conclusion: The induction ventriculoatrial sequence reliably differentiated AT from AVNRT/ORT, and the iPPI-TCL closely paralleled conventional PPI-TCL. Induction indices during VP may serve as practical alternatives when PPI measurements are not feasible.

Indexed as

Catheter ablationElectrophysiology studyPacing maneuversPostpacing intervalSupraventricular tachycardia

Identifiers

PMID42183006
PMCPMC13198357

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