Conditions involving the IVC usually involve an obstruction (blockage) and may be referred to as inferior vena cava syndrome (IVCS). This describes a sequence of signs and symptoms resulting from ...

The fall in intra-abdominal pressure during paracentesis was believed to decrease the functional obstruction of the inferior vena cava at the diaphragm and to result in increased venous return.

Gestational edema occurs in late pregnancy secondary to increased venous congestion in the legs caused by pressure exerted mechanically by the uterus onto the inferior vena cava and iliac veins.