Objectives:Percutaneous nephropexy(PCN)has been demonstrated as a feasible method for treating nephroptosis.This study describes an improved technique for PCN that better addresses the issue of nephroptosis.Materials ...Objectives:Percutaneous nephropexy(PCN)has been demonstrated as a feasible method for treating nephroptosis.This study describes an improved technique for PCN that better addresses the issue of nephroptosis.Materials and methods:We reviewed 4 patients who underwent the improved PCN procedure between January 2021 and January 2023.These patients were diagnosed with nephroptosis,with 1 case having both a narrow ureteropelvic junction and nephroptosis due to a kidney stone,and 3 cases having simple nephroptosis.Patient characteristics,perioperative data,and follow-up results were collected.Surgical success was determined by symptom relief(subjective success)and the absence of kidney descent by intravenous pyelography(objective success).Results:Preoperative computed tomography urography showed that all patients had hydronephrosis,with severe hydronephrosis in 75%(3/4)andmoderate hydronephrosis in 25%(1/4)of cases.The mean operative time was 63.8 minutes(range,45–95minutes),and the mean blood loss was 5 mL(range,5–50 mL).The mean length of hospital stay was 4.5 days(range,3–6 days).The mean time to removal of the nephrostomy tube was 2months(range,1–4months).No serious complications(Clavien-Dindo grade≥3)occurred during or after the procedure.Themean postoperative serumcreatinine levelwas 54.75μmol/L(range,43–65μmol/L).The mean follow-up time was 6.25 months(range,4–8 months).The objective and subjective success rates were both 100%.Conclusions:The improved PCN procedure that was used in this study is feasible and provides a good option for treating nephroptosis.展开更多
文摘Objectives:Percutaneous nephropexy(PCN)has been demonstrated as a feasible method for treating nephroptosis.This study describes an improved technique for PCN that better addresses the issue of nephroptosis.Materials and methods:We reviewed 4 patients who underwent the improved PCN procedure between January 2021 and January 2023.These patients were diagnosed with nephroptosis,with 1 case having both a narrow ureteropelvic junction and nephroptosis due to a kidney stone,and 3 cases having simple nephroptosis.Patient characteristics,perioperative data,and follow-up results were collected.Surgical success was determined by symptom relief(subjective success)and the absence of kidney descent by intravenous pyelography(objective success).Results:Preoperative computed tomography urography showed that all patients had hydronephrosis,with severe hydronephrosis in 75%(3/4)andmoderate hydronephrosis in 25%(1/4)of cases.The mean operative time was 63.8 minutes(range,45–95minutes),and the mean blood loss was 5 mL(range,5–50 mL).The mean length of hospital stay was 4.5 days(range,3–6 days).The mean time to removal of the nephrostomy tube was 2months(range,1–4months).No serious complications(Clavien-Dindo grade≥3)occurred during or after the procedure.Themean postoperative serumcreatinine levelwas 54.75μmol/L(range,43–65μmol/L).The mean follow-up time was 6.25 months(range,4–8 months).The objective and subjective success rates were both 100%.Conclusions:The improved PCN procedure that was used in this study is feasible and provides a good option for treating nephroptosis.
