August 19, 2021International Journal of ArrhythmiaOpen Access

High-definition mapping of the atria using a novel multipolar mapping catheter in patients with complex adult congenital heart disease

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Why the study?

Data were limited on the feasibility of using the Advisor HD Grid multipolar catheter to create voltage and activation mapping in adults with congenital heart disease.

Is the use of a novel multipolar mapping catheter (HD Grid) safe and technically feasible for voltage and activation mapping during catheter ablation of atrial arrhythmias in adults with congenital heart disease?

Population

6 consecutive adults with congenital heart disease suffering from atrial arrhythmias

Comparison

Advisor HD Grid mapping catheter for voltage and activation mapping

Design

Case series

Authors

MPMohammad PaymardCanberra Hospital SCSantabhanu ChakrabartiWestern University

Discussion

Member takes

Implication

Supports feasibility in complex ACHD; leaves open need for prospective validation before wider use.

Structured PICO

Population

6 consecutive adults with complex congenital heart disease (ACHD) suffering from atrial arrhythmias (d-TGA n=1, Tricuspid atresia n=1, atrioventricular defect repair n=1, secundum atrial septal defect n=1, double-inlet single-ventricle n=1, Tetralogy of Fallot n=1), mean age 35 ± 10 years, 84% male.

Intervention

Advisor™ HD Grid Mapping Catheter (multipolar mapping catheter) used for voltage and activation mapping during radiofrequency catheter ablation of atrial arrhythmias.

Outcome

Safety and technical feasibility of using the HD Grid mapping cathetersafety

The use of a high-definition multipolar mapping catheter is safe and technically feasible for guiding catheter ablation of complex atrial arrhythmias in adults with congenital heart disease.

Limitations

Small case series
Significant anatomical and substrate variabilities in ACHD population which limit the scope of larger studies
Limited manoeuvrability in small or non-distensible cavities
Potential of generating relatively high wall tension if used for shell geometry creation as the primary tool

Cite This Study

Paymard et al. (2021) studied this question.

synapsesocial.com/papers/6a0f8c57b6f5ee04015fcb74 https://doi.org/10.1186/s42444-021-00042-y

Topics

Congenital heart disease adults AF ablation outcomes

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High-definition mapping of the atria using a novel multipolar mapping catheter in patients with complex adult congenital heart disease

Discussion

Member takes

Implication

Structured PICO

Limitations

Cite This Study

Topics

High-definition mapping of the atria using a novel multipolar mapping catheter in patients with complex adult congenital heart disease

Discussion

Member takes

Implication

Structured PICO

Limitations

Cite This Study

Also Consider

Topics

Also Consider