Key result
Mustard repair for TGA is linked to ~75% incidence of atrial arrhythmias by six years.
Why the study?
Long-term arrhythmia patterns and prognosis after the Mustard operation for transposition of the great arteries were not well characterized.
Population
95 patients with transposition of the great arteries after Mustard operation
Design
Cohort study with serial ECG and 24 hour Holter monitoring
Authors
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Holter monitoring detects arrhythmias missed by ECG after Mustard repair; leaves open whether routine use improves TGA outcomes.
Cohort (n=95)
The Mustard operation for transposition of the great arteries is associated with a high long-term incidence of atrial arrhythmias, suggesting a potential advantage for the arterial switch operation.
Hayes et al. (1986) conducted a cohort in Transposition of the great arteries (n=95). Mustard intraatrial baffle operation was evaluated on Atrial rhythm disorders by the sixth year. Following the Mustard operation for transposition of the great arteries, 75% of patients developed atrial rhythm disorders by the sixth year, with a 3% incidence of sudden death.
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