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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 37 Issue 10
Oct.  2021
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Article Navigation >  Journal of Clinical Hepatology  > 2021  >  37(10): 2395-2399

Value of SpyGlass single-operator choledochoscopy system in the diagnosis and treatment of patients with biliary tract diseases

DOI: 10.3969/j.issn.1001-5256.2021.10.027

  • Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China

Research funding:

Key Projects of Nanjing Medical University (2017NJMUZD03)

  • Received Date: 2021-02-27
  • Accepted Date: 2021-05-07
  • Published Date: 2021-10-20
    Abstract
  •   Objective  To investigate the value of SpyGlass single-operator choledochoscopy system in the diagnosis and treatment of patients with unexplained biliary stricture, complex bile duct stones, or other biliary tract diseases.  Methods  A retrospective analysis was performed for the clinical data of the patients with biliary tract diseases who were diagnosed and treated with SpyGlass in The Second Affiliated Hospital of Nanjing Medical University from December 2017 to June 2020. For the patients with biliary stricture, the biliary lesions were fully visualized under the guidance of SpyGlass, and SpyBite biopsy was performed if necessary; the patients with bile duct stones were treated with SpyGlass-guided direct-view laser lithotripsy; for the patients with gallbladder disease, the cystic duct was superselected with the assistance of SpyGlass. The SpyGlass system was analyzed in terms of its sensitivity, specificity, and accuracy rate in diagnosis and treatment, lithotripsy success rate, stone clearance rate, procedure success rate, and incidence rate of complications.  Results  A total of 58 patients underwent SpyGlass procedure. SpyGlass was used to evaluate biliary stricture of unknown nature in 44 (76%) patients; SpyGlass visual impression had a diagnostic sensitivity of 92% (24/26), a specificity of 94% (17/18), and an accuracy of 93% (41/44), and SpyBite biopsy had a diagnostic sensitivity of 71% (15/21), a specificity of 92% (11/12), and an accuracy of 79% (26/33). SpyGlass was used for the treatment of bile duct stones in 8 patients (14%), with a lithotripsy success rate of 83% (5/6) and a stone clearance rate of 88% (7/8). A guide wire under the SpyGlass system was to superselect the cystic duct in 5 patients (9%), with a procedure success rate of 80% (4/5). In one patient (1%), SpyGlass was used to assist the removal of common bile duct stones after liver transplantation and the treatment of bile duct anastomotic stricture. A total of 5 patients (9%) experienced complications after surgery.  Conclusion  The SpyGlass choledochoscopy system is accurate, safe, and effective in the diagnosis and treatment of unexplained biliary stricture, complex bile duct stones, and other biliary tract diseases.

     

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