Comparison of Acute Recoil between Bioabsorbable Poly-L-lactic Acid XINSORB Stent and Metallic Stent in Porcine Model

Table 1

Angiographic parameters related with acute stent recoil assessment.

Parameters	XINSORB (𝑁=8)	EXCEL (𝑁=8)	𝑃 value
Diameter of vessel segment chosen for deployment (mm)	2.78±0.03	2.80±0.03	0.18
Stent to artery ratio	1.09±0.06	1.11±0.02	0.47
Mean diameter of the inflated balloon (X, mm)	3.02±0.13	3.06±0.11	0.62
Mean lumen diameter of stent (Y, mm)	3.00±0.20	3.14±0.05	0.17
Mean lumen diameter of stent at 24 hours follow-up (mm)	3.00±0.19	3.12±0.08	0.23
Acute absolute recoil (X−Y, mm)	0.02±0.13	−0.08±0.08	0.19
Acute percent recoil ((X−Y)/X, %)	0.66±4.32	−1.40±3.83	0.45