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. 2021 Jan 15;12(Suppl 1):60-64.
doi: 10.19102/icrm.2021.120123S. eCollection 2021 Jan.

Multipolar Mapping for Ventricular Tachycardia Ablation in a Patient with Left Ventricular Assist Device

Paolo Domenico Dallaglio  1 , JuliÁn Rodríguez Garcia  1 , Marta Aceña  1 , Andrea Di Marco  1 , Valentina Faga  1 , Laia Garrido  2 , Laia Llorca  2 , Ignasi Anguera  1
Affiliations

Multipolar Mapping for Ventricular Tachycardia Ablation in a Patient with Left Ventricular Assist Device

Paolo Domenico Dallaglio et al. J Innov Card Rhythm Manag. .
No abstract available

Keywords: HD grid mapping catheter; hemodynamic support; left ventricular assist device; multipolar mapping; ventricular tachycardia ablation.

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Conflict of interest statement

The authors report no conflicts of interest for the published content.

Figures

Figure 1:
Figure 1:
A 12-lead tachycardia electrocardiogram.
Figure 2:
Figure 2:
Right anterior oblique fluoroscopy image of two positions of the Advisor™ HD Grid catheter during mapping around the inflow cannula.
Figure 3:
Figure 3:
Left and right anterior oblique projections of the anatomical reconstruction showing the inflow cannula of the LVAD (red transparency).
Figure 4:
Figure 4:
Late and highly fractionated potentials mapped with the Advisor™ HD Grid catheter.
Figure 5:
Figure 5:
Late-potential activation map showing an area of late activation around the inflow cannula.
Figure 6:
Figure 6:
Mid-diastolic electrogram during VT1 mapped with the Advisor™ HD Grid catheter.
Figure 7:
Figure 7:
Nonsustained VT1 mapped with the Advisor™ HD Grid catheter and showing mid-diastolic potentials at the slow-conduction zone.
Figure 8:
Figure 8:
Activation mapping performed after ablation showing complete abolition of the late potentials.
See this image and copyright information in PMC

References

    1. Makki N, Mesubi O, Steyers C, Olshansky B, Abraham WT. Meta-analysis of the relation of ventricular arrhythmias to all-cause mortality after implantation of a left ventricular assist device. Am J Cardiol. 2015;116(9):1385–1390. [CrossRef] [PubMed] - DOI - PubMed
    1. Sacher F, Reichlin T, Zado ES, et al. Characteristics of ventricular tachycardia ablation in patients with continuous flow left ventricular assist devices. Circ Arrhythm Electrophysiol. 2015;8(3):592–597. [CrossRef] [PubMed] - DOI - PubMed
    1. Anderson RD, Lee G, Virk S, et al. Catheter ablation of ventricular tachycardia in patients with a ventricular assist device: a systematic review of procedural characteristics and outcomes. JACC Clin Electrophysiol. 2019;5(1):39–51. [CrossRef] [PubMed] - DOI - PubMed