Pediatric inferior vena cava obstruction syndrome

Inferior vena caval obstruction syndrome is a partial or complete obstruction of the inferior vena cava due to invasion, compression, or intracavitary thrombosis of the inferior vena cava. The emergence of a series of clinical symptoms. With different obstruction sites, its clinical manifestations are also different. Budd (1846) and Chiari (1899) proposed that the inferior vena cava that occurs in the hepatic vein segment is called hepatic vein occlusion syndrome, or Chiari-Budd syndrome.