Research Article

Novel Compliant Scaffold with Specific Design for Venous System: Results of a Porcine Model Study

Table 1

Baseline characteristics and operative details of the study population, comparing the two different devices used for the study.

Stent 1 (14–12 × 38 mm)Stent 2 (14–12 × 48 mm)Significance ( value)

Devices, (%)21 (65.6)11 (34.4)NA
Right IJV devices, (%)10 (31.2)6 (18.8)
Left IJV devices, (%)11 (34.49)4 (12.5)
Anterior IJV devices, (%)0 (0.0)1 (3.2)NA
Middle IJV device implantation14 (43.8)8 (25.0)
Proximal IJV device implantation7 (21.9)3 (9.3)
Device implantation > 1
 (i) RIJV21 (in overlapping with stent 1)NA
 (ii) LIJV4
Death, (%)0 (0.0)0 (0.0)NA
Reinterventions, (%)0 (0.0)0 (0.0)NA
Stent graft fracture, (%)0 (0.0)0 (0.0)NA
Inner IJV stent graft migration, (%)3 (9.3)3 (9.3)
Major IJV stent graft migration, (%)0 (0.0)0 (0.0)NA
1-month patency, (%)21/21 (100)11/11 (100)
3-month patency, (%)10/10 (100)7/7 (100)
6-month patency, (%)6/6 (100)5/5 (100)

IJV: internal jugular vein; RIJV: right internal jugular vein; LIJV: left internal jugular vein; value determined using a Chi-square test. Pearson’s Chi-squared test with Yates’ continuity correction.