portal venous pressure

例句：

1. 1.The patient's portal venous pressure was elevated, indicating a potential infection in the liver.
   患者的门静脉压力升高，表明肝脏可能感染。
2. 2. The doctor ordered an ultrasound to measure the patient's portal venous pressure.
   医生要求进行超声波检查以测量患者的门静脉压力。
3. 3. Researchers are studying the relationship between portal venous pressure and liver disease progression.
   研究人员正在研究门静脉压力与肝病进展之间的关系。