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Table 1 For each patient with Fontan circulation, the number of IVC and SVC pathlines reaching analysis planes in the LPA and RPA were normalized over the total number of pathlines that reached either PA. The percent pathline distribution from the IVC and SVC to the LPA and RPA are shown as well as the SVC-IVC offset estimation. In 5 patients, SVC pathlines indicated flow predominantly to the RPA. In all but one patient, IVC pathlines represented flow predominantly directed toward the RPA.

From: In vivo quantification of blood mixing in single ventricle patients with Fontan circulation using 4D flow MRI

Patient Blood mixing Fontan geometry
  Flow originating in IVC Flow originating in SVC  
Number to LPA [%] to RPA [%] Diff [%] to LPA [%] to RPA [%] Diff [%] SVC-IVC offset [mm]
1 12.3 87.7 75.3 60.0 40.0 20.0 5.5
2 21.5 78.5 56.9 45.8 54.2 8.4 5.4
3 40.5 59.5 19.0 40.4 59.6 19.1 1.8
4 25.7 74.3 48.6 30.6 69.4 38.8 2.5
5 28.7 71.3 42.6 71.8 28.2 43.6 3.4
6 14.2 85.8 71.6 93.0 7.0 85.9 10.2
7 85.8 14.2 71.7 0.6 99.4 98.8 8.3
8 1.0 99.0 98.0 21.2 78.8 57.6 7.9