Objective:

To evaluate the clinical outcomes of patients diagnosed with PA/VSD or hemi-truncus who underwent unifocalization at our institution for validation of current treatment strategies.

Approach:

Key Findings:

• All patients underwent complete VSD closure between 19 and 24 months of age.
• 39 catheterizations were performed, including two stent implantations, indicating the need for ongoing intervention.
• Complete unifocalization was achieved in cases with absent cPA by one year of age.

Interpretation:

The study provides insights into the role of RV-PA conduits in the context of VSD closure and pulmonary blood flow during unifocalization.

Limitations:

• The small sample size of 12 patients may limit the generalizability of the findings.
• The retrospective design may introduce bias, affecting the reliability of the outcomes.

Conclusion:

The study highlights the role of RV-PA conduits in the treatment of PA/VSD or hemi-truncus through unifocalization.

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