Abstract
Background
Although previous studies have reported the possibility of therapeutic ERCP without fluoroscopy, more robust documentation of fluoroscopy-free common bile duct stone (CBDS) clearance is needed. Technically, "digital cholangioscopy" (DCS) may be used to confirm CBDS clearance. We aimed to compare the feasibility, safety, and radiation exposure between patients with CBDS undergoing stone removal by DCS and conventional ERCP (cERCP).
Methods
Fifty (50) consecutive patients with a CBDS size < 15 mm underwent DCS (SpyGlass DS Direct Visualization System, Boston Scientific, Marlboro, MA, USA) between December 2015 and October 2016. Of 202 consecutive patients undergoing cERCP during the same time frame, 50 matched pairs were created using propensity score matching analysis. In the DCS group, patients underwent biliary cannulation and CBDS removal without fluoroscopy followed by DCS to confirm complete CBDS clearance. A final occlusion cholangiogram was performed as the current standard of care to confirm CBDS clearance.
Results
Cannulation success rates were similar between the DCS and cERCP groups (98 vs. 98%). By intention-to-treat analysis, CBDS clearance in the DCS and cERCP groups was not different (90 vs. 98%; p = 0.20, respectively). DCS had successful CBDS removal in 45 cases, whereas 5 (10%) failed for clearance by DCS due to technical limitations. Adverse events were not different between both groups.
Conclusions
In the management of uncomplicated CBDS, our data confirmed the feasibility of DCS for CBDS clearance as it showed efficacy and safety comparable to those of cERCP. Although certain conditions may limit its effectiveness, DCS offers the ability to perform CBDS clearance without the need for fluoroscopy unit and can avoid radiation exposure while ERCP under fluoroscopy remains the current standard of care in patients with CBDS.
from #ORL-AlexandrosSfakianakis via ola Kala on Inoreader http://ift.tt/2ytcbQ4
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