The formation of HPVG in this patient may be due to septic and hypovolemic shock, which was superimposed on intestinal distension and this resulted in intestinal hypoperfusion and submucosa damage.

• 我们认为肝门静脉气体形成的原因可能是败血性及低血容性休克加上肠肿胀，造成肠灌流不足及肠黏膜受损。