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Copyright of Journal of Kunming Medical University / Kunming Yike Daxue Xuebao is the property of Kunming Medical Journal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Kunming Medical University / Kunming Yike Daxue Xuebao is the property of Kunming Medical Journal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective To discuss risk factors for postoperative complications after Mini-percutaneous nephrolithotomy (mPNL) using modified Clavien classification of surgical complications. Methods From September 1999 to December 2010，4533 patients having complications after mPNL were analyzed with five related clinical factors using the modified Clavien classification of surgical complications in the Second Affiliated Hospital of Kunming Medical University. Results Among 88 cases having complications (1.94%)， 69 had hemorrhage (0.24%)， 5 had colon injury (0.11%)， 3 had septic shock (0.06%)， 5 had liquid absorption syndrome (0.11%)， 6 had pleural effusion (0.13%). According to the modified Clavien classification， 11 cases were clustered into Class I (0.24%)，71 cases into Class II (1.56%)，6 cases into Class Ⅲa (0.13%) and no cases was classified in Class Ⅲb，Ⅳa， Ⅳb and V. For patients having complications of Class II and III， the average hospital stay was significantly longer than those having either Class I or no complications. Multiple logistic regression analysis showed that five factors were associated with postoperative complications，including operation time (OR=1. 46)， ASA score (O =2.49)，having cardiovascular disease or diabetes at the same time (OR=1.67)， stone load (OR=1.34) and positive urine culture (OR=0.97). Conclusion Using modified Clavien classification of surgical complications in the analysis of mPNL was standard， objective， applicable and recommended. [ABSTRACT FROM AUTHOR]

Objective To evaluate of the clinical efficacy of two kinds of methods extracorporeal shock wave lithotripsy in treatment of ureteral calculi. Methods A retrospective analysis was conducted on the data of 108 patients with acute renal colic and ureteral stones （calculi diameter＜2 cm） from March 2011 to April 2013. The patients were divided into two groups. 69 cases in A group underwent emergency positioning urography ureteral catheterization combined extracorporeal shock wave lithotripsy， 39 cases in B group underwent emergency extracorporeal shock wave lithotripsy. Results A group: lithotripsy was successful in 63 cases among 69 cases at the first time， the first success rate was 91.33% （63/69）， the second success rate was 94.2% （65/69），2 cases of retrograde ureteroscopy failed，2 cases of self-discharge after intubation stones， the recurrent renal colic rate was 14.3% （9/63），the use of analgesic drugs rate was 11.1% （7/63） . B group: the first success rate of stone clearance rate was 74.4% （25/39），the second success rate of stone clearance rate was 87.2% （34/39），5 cases underwent ureteroscopy lithotripsy， the renal colic recurrence rate was 20.5% （8/39），the use rate of analgesic drugs was 15.4% （6/39） . Conclusion Extracorporeal shock wave lithotripsy assisted by urography through retrograde ureteral catheterization has satisfying therapeutic effect in treatment of patients with ureteral calculi. [ABSTRACT FROM AUTHOR]