Key result
Echocardiographic measurements assessing blood flow redistribution are crucial for determining the appropriate surgical strategy in patients with unbalanced atrioventricular septal defect.
Why the study?
Unbalanced atrioventricular septal defect poses serious challenges in choosing between two-ventricle correction and single-ventricle palliation, particularly in moderate unbalance with borderline left ventricular size.
Echocardiographic assessment of blood flow redistribution is crucial for determining the optimal surgical strategy (two-ventricle correction vs. single-ventricle palliation) in patients with unbalanced atrioventricular septal defect.
Echocardiographic flow redistribution assessment may guide surgical planning in unbalanced AVSD; leaves open need for prospective validation and standardized thresholds.
Unbalanced atrioventricular septal defect is seen by 10-15% of the patients with this congenital heart disease and poses serious challenges for the treating physicians regarding the choice of the most suitable operative intervention. The forms with moderate degree of unbalance between the two ventricles, especially when the size of the left ventricle is considered borderline, make the choice between two-ventricle correction and single-ventricle palliation quite difficult. The most important factor when judging the degree of unbalance is not the size of the ventricles but rather the redistribution of blood flow. The use of different echocardiographic measurements could contribute to the more precise determination of the indications for one of the two surgical strategies with resulting improvement of patient outcome.
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Vassileva et al. (2020) conducted a review in Unbalanced atrioventricular septal defect. Echocardiographic measurements was evaluated. Echocardiographic measurements assessing blood flow redistribution are crucial for determining the appropriate surgical strategy in patients with unbalanced atrioventricular septal defect.
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