2024
DOI: 10.1002/joa3.12992
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Impact of contact force on the lesion characteristics of very high‐power short‐duration ablation using a QDOT‐MICRO catheter

Junji Yamaguchi,
Masateru Takigawa,
Masahiko Goya
et al.

Abstract: BackgroundLesion size is reported to become larger as contact force (CF) increases. However, this has not been systematically evaluated in temperature‐guided very high‐power short‐duration (vHPSD) ablation, which was therefore the purpose of this study.MethodsRadiofrequency applications (90 W/4 s, temperature‐control mode) were performed in excised porcine myocardium with four different CFs of 5, 15, 25, and 35 g using QDOT‐MICRO™ catheter. Ten lesions for each combination of settings were created, and lesion … Show more

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