Noninvasive Characterization of Intra-Atrial Reentrant Tachyarrhythmias After Surgical Repair of Congenital Heart Diseases
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Why the study?
Does noninvasive mapping with 12-lead ECG and body surface mapping accurately differentiate reentrant circuits of intra-atrial reentrant tachyarrhythmias in patients after surgery for congenital heart disease?
Population
42 consecutive adult patients with a history of recurrent intra-atrial reentrant tachyarrhythmia for 3.9±4.5…
Comparison
Noninvasive characterization using 87-lead body… vs Endocardial electroanatomical mapping (CARTO)
Design
Cohort
Authors
Discussion
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Implication
May aid ECG differentiation of post-surgical atrial tachycardias; leaves open prospective validation before guiding ablation.
Structured PICO
Does noninvasive mapping with 12-lead ECG and body surface mapping accurately differentiate reentrant circuits of intra-atrial reentrant tachyarrhythmias in patients after surgery for congenital heart disease?
P
Population
42 consecutive adult patients (28 men, 14 women, mean age 51±16 years) with a history of recurrent intra-atrial reentrant tachyarrhythmia (IART) for 3.9±4.5 years referred for catheter ablation. 28 had a single right atrial incision after corrective surgery for congenital heart diseases, and 14 did not.
I
Intervention
Noninvasive characterization using 87-lead body surface mapping (BSM), standard 12-lead ECG, and 20-lead signal-averaged ECG (SAECG)
C
Comparator
Endocardial electroanatomical mapping (CARTO)
O
Outcome
Differentiation of reentrant circuits of IART (cavotricuspid isthmus-dependent atrial flutter [CTI-AFL] vs incisional atrial tachycardia [Incision-AT], and clockwise vs counterclockwise rotation)surrogate
Noninvasive mapping using 12-lead ECG and body surface mapping can accurately predict the reentrant circuits of intra-atrial reentrant tachyarrhythmias in patients with prior surgery for congenital heart disease, potentially guiding catheter ablation strategies.
Cite This Study
Aiba et al. (2009) studied this question.
Topics
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