Table 4: Feasibility options and risk analysis of different approaches to the supradiaphragmatic IVC.

Combined parametersType of diaphragmotomy
Transverse diaphragmotomy T-shaped diaphragmotomy Circular diaphragmotomy IVC isolation in pericardium
(N)(%)(N)(%)(N)(%)(N)(%)

Easy + safe25.71954.3925.738.6
Easy + risky925.77201851.41131.4
Easy + trauma000012.900
Difficult + safe25.725.725.738.6
Difficult + risky1542.9720411.41645.7
Difficult + trauma38.60012.900
Impossible + risky411.4000025.7
Difficult + trauma00000000

Total35100351003510035100