renal tubular backflow

例句：

1. 1. The patient's condition worsened after the surgery, leading to a renal tubular backflow.
   手术后，患者的病情恶化，导致肾小管反流。
2. 2.Due to the patient's high blood pressure, there was a renal tubular backflow that required immediate medical attention.
   由于患者血压过高，出现了肾小管反流，需要立即医疗干预。
3. 3.The kidney function tests showed a renal tubular backflow, indicating an underlying issue with the patient's health.
   肾脏功能测试显示肾小管反流，暗示患者存在健康问题。