Clinical Study Of Balloon Dilatation On Recurrence Renal Calculus With Percutaneous Nephrolithotripsy After Open Nephrolithotomy

Objectives: To assess the low-risk,feasibility,and promotion value of balloon dilatorin patients with open nephrolithotomy history and recurrence of renal calculus nowdilatation of the tract when percutaneous nephrolithotripsy.Methods:The case information of55patients who had been treated by percutaneousnephrolithotomy from October2009to February2013was collected. Thenephrostomy tract had been dilated with Amplatz30patients and the other25patientswith aballoon dilator. We collected the rate of one-time dilation success, number ofdilatation, time of dilation tract, total time of surgery, the hemoglobin densityofpreoperative and postoperative, blood transfusion rate, stone residual rate, reoperationrate, post-operative pain,postoperativethe average hospitalization days and the cost ofhospitalization. And then comparing the collected data whether there are differencesbetween the two groups.Results: Preoperative sex, age, medical history, clinical symptoms, and preoperativediagnosis of patients in the Amplatz group and Balloon group were basically thesame.The differences of the rate of one-time dilation success, number of dilation,stone residual rate, reoperation rate, e hemoglobin densityof preoperative andpostoperative,post-operative pain and postoperativethe average hospitalization dayswere not statistically significant between the two groups.There were four patientsneeded dilated again in the Amplatz group,and two patients who due to expansion isnot sufficient to be expanded again in the Balloon group.The Amplatz group neededlonger time in the tract formation than the Balloon group(15.90±2.67min vs13.59±2.34min,P<0.01).The average total operating time was longer in Amplatzgroup than Balloon group(83.33±11.99min vs76.87±11.74min， P=0.018),and thedifference was statistically significant. The postoperative hemoglobin decline ofAmplatz group was more than Balloon group(1.6±0.7g/dl vs1.1±0.5g/dl,P<0.05).Theblood transfusion rate of Amplatz group（23.3%） was higher than the Balloon group.The average cost of hospitalization in Amplatz group significantly lower than the balloon dilator group.Conclusion: It was low-risk, feasibility,and promotion value dilatation of tract whenpercutaneous nephrolithotripsy with balloon dilator on the patients who had opennephrolithotomy and recurrence of renal calculus now.