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Table 1 Diameter of the descending aorta measured by angiography at monthly intervals

From: Porcine model of progressive cardiac hypertrophy and fibrosis with secondary postcapillary pulmonary hypertension

Time   HYPI (n = 7) Co (n = 5) p value
mean SD mean SD  
Baseline
 Mid Ao desc   8.46 0.33 8.38 0.26 0.674
 Prox Ao desc   8.64 0.46 8.50 0.16 0.523
 Dist Ao desc   8.51 0.44 8.44 0.17 0.730
1 month
 Mid Ao desc Stent* 9.06 0.08 10.28 0.68 0.001
 Prox Ao desc   12.44 0.68 12.22 0.76 0.606
 Dist Ao desc   11.70 1.27 11.50 0.88 0.768
2 months
 Mid Ao desc Stent* 9.07 0.08 12.32 0.86 0.000
 Prox Ao desc   14.11 0.61 13.60 0.79 0.232
 Dist Ao desc   13.39 0.68 12.72 0.72 0.132
3 months
 Mid Ao desc Stent* 9.11 0.09 15.00 1.12 0.000
 Prox Ao desc   16.26 0.94 15.52 0.91 0.205
 Dist Ao desc   15.01 0.64 14.02 1.06 0.070
4 months
 Mid Ao desc Stent* 9.14 0.13 16.72 1.11 0.000
 Prox Ao desc   19.21 0.65 18.02 1.28 0.058
 Dist Ao desc   16.36 0.98 15.54 0.97 0.183
5 months
 Mid Ao desc Stent* 9.17 0.15 18.29 1.34 0.000
 Prox Ao desc   22.14 1.11 20.61 0.85 0.028
 Dist Ao desc   18.46 0.80 16.77 0.67 0.003
  1. The implanted 9 mm diameter stent was slightly oversized in order to prevent the moving of the stent to distal. The constant size of the stent in the growing aorta resulted in an artificial stenosis at the mid part of the descending aorta with pre- and post-stenotic dilation
  2. Prox proximal, Dist distal, Stent* diameter of the mid descending aorta at the place of the stent