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Medium-term follow-up of clinically insignificant residual fragments after minimally invasive percutaneous nephrolithotomy lithotripsy / 中国医师进修杂志
Chinese Journal of Postgraduates of Medicine ; (36): 20-22, 2014.
Article in Chinese | WPRIM | ID: wpr-445014
ABSTRACT
Objective To discuss the medium-term follow-up of clinically insignificant residual fragments (CIRF) after minimally invasive percutaneous nephrolithotomy lithotripsy (MPCNL).Methods The clinical data of 72 patients with CIRF medium-term follow-up were analyzed retrospectively.Results Seventy-two patients with CIRF.The anatomical distribution of CIRF was 10 at upper pole,15 at middle,35 at lower,10 at renal ureteropelvie junction and 2 at upper and lower pole.Stone analysis showed that 41 cases of calcium oxalate calculi,16 of calcium oxalate calculi mixed with carbonate calculi,3 calcium oxalate calculi mixed with uric acid,4 calcium oxalate calculi mixed with struvite stone,3 struvite stone,2 uric acid stone and 3 carbonate apatite mixed with struvite stone.Fifteen cases had clinical symptoms,including 2 renal colic pain,8 hematuria,5 lower urinary tract symptoms,4 cases CIRF located in upper pole,1 case in middle pole,4 cases in lower pole,6 cases in ureteropelvic junction,the incidence of clinical symptoms in ureteropelvic junction was significantly higher than that in other locations (6/10 vs.4/12,1/15,4/37,P <0.05).Eight cases required surgical procedure,5 cases underwent extracorporeal shock wave lithotripsy,3 cases with ureteral CIRF were performed with ureteroscopic lithotripsy.CIRF were clear after surgery,7 patients with ureteral CIRF had renal colic pains.The stones were excluded after spasmolytic analgesic treatments.Conclusions CIRF can be located variously in the kidney and ureter.Most CIRF are calcium oxalate calculi and locate in the lower pole.Patients with the history of previous open surgery or extracorporeal shock wave lithotripsy are more likely to get CIRF.Medium-term follow-up of CIRF reveals that CIRF located in the renal ureteropelvis junction are more likely to have clinical symptoms.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Postgraduates of Medicine Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Postgraduates of Medicine Year: 2014 Type: Article