Key result
A great artery ratio < 0.54 was significantly associated with a higher likelihood of requiring transannular patch enlargement during Tetralogy of Fallot repair (OR 2.37; 95% CI 1.47-3.9).
Why the study?
Decisions on transannular patch enlargement rely primarily on pulmonary valve annulus z-scores, which vary across surgeons and centers, prompting evaluation of other predictors.
What are the echocardiographic predictors of requiring transannular patch enlargement in patients undergoing Tetralogy of Fallot repair?
Observational (n=135)
No
What are the echocardiographic predictors of requiring transannular patch enlargement in patients undergoing Tetralogy of Fallot repair?
Odds Ratio: 2.37 (95% CI 1.47–3.9)
Echocardiographic parameters including pulmonary valve diameter, aortic valve diameter, pulmonary valve z-score, and a great artery ratio < 0.54 are significant predictors of the need for transannular patch enlargement during Tetralogy of Fallot repair.
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Tabansi et al. (2021) conducted an observational in Tetralogy of Fallot (n=135). Great artery ratio (PVA/AoV) < 0.54 vs. Great artery ratio ≥ 0.54 was evaluated on Transannular patch enlargement (TAPE) (OR 2.37, 95% CI 1.47-3.9). A great artery ratio < 0.54 was significantly associated with a higher likelihood of requiring transannular patch enlargement during Tetralogy of Fallot repair (OR 2.37; 95% CI 1.47-3.9).
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