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- Title
Evaluation of a Novel Fascial Dilator Modified with Scale Marker in Percutaneous Nephrolithotomy for Reducing the X-Ray Exposure: A Randomized Clinical Study.
- Authors
Zeng, Guohua; Zhao, Zhijian; Zhong, Wen; Wu, Kaijun; Chen, Wenzhong; Wu, Wenqi; Xiao, Chenlin; Liu, Yongda
- Abstract
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 efficacy and safety of the modified scale fascial dilator (group 1, n=50) and traditional nonscale fascial dilator (group 2, n=50) with respect to the X-ray exposure duration as well as the outcome of PCNL. Results: There was no significant difference between group 1 and group 2 regarding to the initial successful access rate (100% v 96%), operative time (79.4 v 83.7 minutes), the initial stone-free rate (82% v 81.3%), complications (24% v 20%), and bleeding required blood transfusion (4% v 6%) (all p>0.05). The mean operative duration and fluoroscopic time for tract dilation in group 1 and group 2 were 164.4±19 seconds v 168.3±14 seconds, and 3.2±0.9 seconds v 22.2±4.6 seconds, ( p=0.250 and p<0.001), respectively. Conclusions: Compared to the use of nonscaled dilators, using the scaled fascial dilators for a percutaneous access in PCNL was found to be associated with less radiation hazards along with similar stone-free rate and complications.
- Subjects
PERCUTANEOUS nephrolithotomy; BIOMARKERS; FLUOROSCOPY; SURGERY safety measures; SURGICAL complications; RANDOMIZED controlled trials; COMPARATIVE studies
- Publication
Journal of Endourology, 2013, Vol 27, Issue 11, p1335
- ISSN
0892-7790
- Publication type
Article
- DOI
10.1089/end.2012.0671