Key result
Assessing unbalanced atrioventricular septal defect requires combining multiple echocardiographic indices to guide surgical planning.
Why the study?
The definition and assessment of unbalance in atrioventricular septal defect lack precision and comprehensive integration of anatomic and hemodynamic factors to guide surgical decision-making.
Multiple echocardiographic indices are needed to assess AVSD unbalance; leaves open optimal combination thresholds for surgical planning.
Unbalance in atrioventricular septal defect can be found in more than one anatomic level and in different degrees at each level. The definition of "unbalance" has historically been focused in comparing the dimensions of main cardiac structures, such as the atrioventricular valve and the ventricles. However, the hemodynamic aspects of unbalance need to be considered as having, at least, similar relevance. New concepts and already described parameters must be combined and understood as a whole to help the surgical decision-making process.
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Lugones et al. (2019) conducted an editorial in Atrioventricular septal defect. Echocardiographic indices for unbalanced AVSD was evaluated. The evaluation of unbalance in atrioventricular septal defect is highly complex, requiring the combination of multiple echocardiographic indices to accurately assess physiologic and anatomic asymmetry for surgical planning.
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