What is the clinical evidence from this study?

Population: Cardiac fibrillation. Intervention: Focal impulse and rotor mapping (FIRM). Primary outcome: Detection of rigidly rotating spiral waves and focal sources.

What does this research mean for the field?

The focal impulse and rotor mapping (FIRM) technique meets the theoretical and clinical spatio-temporal resolution requirements necessary to reliably identify rotors and focal sources in human atrial fibrillation. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to define the theoretical requirements for mapping mechanisms of cardiac fibrillation and identify localized sources in humans.

May 23, 2013Chaos An Interdisciplinary Journal of Nonlinear ScienceOpen Access

Theoretical considerations for mapping activation in human cardiac fibrillation

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Key result

Focal impulse and rotor mapping (FIRM) meets the theoretical spatio-temporal resolution requirements to reliably identify rotors and focal sources for human atrial fibrillation.

Key Points

This research aims to define the theoretical requirements for mapping mechanisms of cardiac fibrillation and identify localized sources in humans.
Determined minimum spatial and temporal resolutions for detecting spiral waves and focal sources.
Extended requirements for spiral waves through computer simulations.
Applied findings to clinical data using focal impulse and rotor mapping (FIRM).
Theoretical justification shows that FIRM meets required resolutions for identifying rotors and focal sources.
Clinical demonstration confirmed effective mapping in human atrial fibrillation.
Mapping findings highlight conserved spatial gradients in electrical activity during fibrillation.

Structured PICO

Population

Computer simulations and clinical data acquired during human atrial fibrillation

Intervention

Focal impulse and rotor mapping (FIRM)

Outcome

Minimum spatial and temporal resolutions required to detect rigidly rotating spiral waves and focal sourcessurrogate

This study provides theoretical justification and clinical demonstration that FIRM has adequate spatio-temporal resolution to identify rotors and focal sources in human atrial fibrillation.

Discussion

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Implication

Supports FIRM resolution for human AF mapping; leaves open whether rotor ablation improves outcomes.

Cite This Study

Rappel et al. (2013) studied Cardiac fibrillation. Focal impulse and rotor mapping (FIRM) was evaluated on Detection of rigidly rotating spiral waves and focal sources. Focal impulse and rotor mapping (FIRM) meets the theoretical spatio-temporal resolution requirements to reliably identify rotors and focal sources for human atrial fibrillation.

synapsesocial.com/papers/6a0ec198aa1655e5fb22c178 https://doi.org/10.1063/1.4807098

Topics

Atrial fibrillation Persistent AF management

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Theoretical considerations for mapping activation in human cardiac fibrillation

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Topics

Theoretical considerations for mapping activation in human cardiac fibrillation

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

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