. Author manuscript; available in PMC: 2026 Aug 14.

Published in final edited form as: J Thorac Cardiovasc Surg. 2025 Dec 6;171(5):1028–1039.e8. doi: 10.1016/j.jtcvs.2025.11.022

TABLE 1.

Geometric parameter ranges used in computational analysis of modified Blalock-Taussig shunt (mBTTS) configurations. Summary of parameters across 54 modeled configurations^*

Variable	$L_{1}$ (mm)	$α$ (°)	$D_{PA}$ (mm)	$D_{shunt}$ (mm)
Minimum	−7	60	2.5	3.5
Median	0	90	3.75
Maximum	7	120	5.0	4.0

$L_{1}$ , Distance from shunt to right carotid artery (negative = proximal, positive = distal); $α$ , shunt-pulmonary artery insertion angle; $D_{PA}$ , pulmonary artery diameter; $D_{shunt}$ , shunt diameter.

Values were derived from patient-specific imaging data.²²