From:  Comparison of transannular patch and valve-sparing repair techniques in tetralogy of Fallot

 Comparison of post-op effects of TAP repair vs. VSR repair.

ParameterTransannular patch (TAP) repairValve-sparing repair (VSR)
Cardiopulmonary bypass durationLongerShorter
Pulmonary valveDestroyedPreserved
Operative demandsDifficultLess intensive
Ventilation durationHigherLower
Postoperative ICU stayLongerShorter
Mortality rateHigherLower
Pulmonary regurgitationHigh incidenceSignificantly lower
Right ventricular dysfunctionHigher riskLower risk
Right ventricular outflow tract gradientsStableComparatively unstable
Postoperative arrhythmiasHigherLower
ReoperationsHigherLower
Physical activity toleranceReducedIncreased
Cognitive and motor developmentInferiorSuperior
Pulmonary artery aneurysmsPresentAbsent