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BACKGROUND AND PURPOSE Percutaneous nephrolithotomy (PCNL) using a small tract is controversial, and its indication is considered limited. In our center, however, we have performed Chinese minimally invasive PCNL regularly for managing upper-tract calculi. We report our experience. PATIENTS AND METHODS Our technique is not just about using smaller(More)
OBJECTIVE To report our experience with minimally invasive percutaneous nephrolithotomy (MPCNL) (14-18Fr percutaneous tract) to treat staghorn calculi via multiple percutaneous tracts in a single session procedure, and evaluate the feasibility and efficiency of this technique. PATIENTS AND METHODS From March 2001 to November 2005, 100 patients with(More)
OBJECTIVE High renal pelvic pressure brings systemic absorption of irrigation fluid containing bacteria or endotoxins, which leads to postoperative fever. We inspected the renal pelvic pressure (RPP) in vivo during minimally invasive percutaneous nephrolithotomy (MPCNL) to investigate whether a 14- to 18-French percutaneous tract and perfusion would bring(More)
The Chinese minimally invasive percutaneous nephrolithotomy (MPCNL) was a modified version of standard PCNL which utilizes smaller tract and sheaths. The aim of this study was to present our experience on its efficacy and safety, and to grade its complications according to the modified Clavien classification. Between 1992 and 2011, 12,482 patients who(More)
OBJECTIVE To evaluate the role of the fascial dilators modified with a scale marker in reducing fluoroscopy time during percutaneous nephrolithotomy (PCNL). METHOD In a randomized clinical trial, eligible 100 consecutive patients anticipated to undergo single-tract PCNL were randomly assigned into two groups by the closed envelope method, to compare the(More)
There has been continuing controversy regarding multiple tracts in a percutaneous nephrolithotomy (PCNL) session that may bring more complications, especially severe bleeding need for transfusion, even nephrectomy. Little tracts may bring less trauma to renal parenchyma than standard PCNL tracts. We carried minimally invasive PCNL (MPCNL) in treating(More)
Posttraumatic stress disorder (PTSD) and posttraumatic growth (PTG) are two different outcomes that may occur after experiencing traumatic events. Resilience and rumination are two important factors that determine the development of these outcomes after trauma. We investigated the association between these two factors, PTSD and PTG, among Chinese survivors(More)
This paper aims to study the application of expert system combined with neural network in Intrusion Detection System. It brings improvement to BP algorithm of neural networks, meanwhile a series of rule sets have been created using the experience and knowledge from experts, scholars as well as professional forecasters. This benefits the simulation of human(More)
To deal with non-paper test composition algorithm impact on exam quality, we proposed the test-sheet composition algorithms. By comparing a variety of existing intelligent algorithms in the application of test-sheet composition, we identify the shortcomings of existing algorithms, such as the "premature" of algorithm due to the poor local search ability and(More)
There are many web services which are called by users as data or function interface in the digital platforms of campus. It is an urgent problem to be solved that monitoring the management and performances of those web services. This paper constructs a managing and monitored platform for servers based on the B/S architecture by using the technology of Web(More)
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