Case inclusion criteria: 1. Patients with ureteral calculi combined with severe sepsis and heart failure; 2. Heart failure duration <48h; Heart function grade III~IV (moderate and severe heart failure); 3. Ureter implantation by surgery The patient was successfully drained by the stent tube.
Inclusion criteria: 1. Patients with ureteral calculi complicated with severe sepsis and heart failure; 2. The course of heart failure was less than 48 hours; the cardiac function grade was grade III-IV (moderate and severe heart failure); 3. Patients with successful ureteral stent drainage after surgical operation.<br>