Prospective evaluation of the short access cholangioscopy for stone clearance and evaluation of indeterminate strictures
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Prospective evaluation of the short access cholangioscopy for stone clearance and evaluation of indeterminate strictures. / Sioulas, Athanasios D; El-Masry, Muhammad A; Groth, Stefan; Schachschal, Guido; Anders, Mario; Rosch, Thomas; Denzer, Ulrike.
In: HEPATOB PANCREAT DIS, Vol. 16, No. 1, 02.2017, p. 96-103.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Prospective evaluation of the short access cholangioscopy for stone clearance and evaluation of indeterminate strictures
AU - Sioulas, Athanasios D
AU - El-Masry, Muhammad A
AU - Groth, Stefan
AU - Schachschal, Guido
AU - Anders, Mario
AU - Rosch, Thomas
AU - Denzer, Ulrike
PY - 2017/2
Y1 - 2017/2
N2 - BACKGROUND: Peroral cholangioscopy facilitates diagnosis and therapy of biliary disorders. This study prospectively evaluated a new short access cholangioscopy.METHODS: Consecutive patients were included as follows: difficult stones (group 1) underwent cholangioscopy with electrohydraulic lithotripsy and indeterminate biliary strictures (group 2) were evaluated with macroscopic assessment and cholangioscopy guided biopsy sampling. We evaluated the complete stone clearance rate (group 1) and diagnostic accuracy (group 2). Follow-up was performed over a median of 13 and 16 months, respectively.RESULTS: Group 1 (n=21): complete stone clearance defined as lack of stones in cholangiography and stone removal during cholangioscopy was achieved in 15 (71.4%) patients. Clinical stone clearance defined as lack of symptoms, laboratory abnormalities and hospital visits during follow-up, irrespective of stone clearance was evident in 17 (81.0%) patients. One serious adverse event occurred (bile duct perforation). Group 2 (n=28): malignancy was confirmed in 15 patients. Sensitivity, specificity and diagnostic accuracy of cholangioscopy were 85.7%, 75.0% and 80.7%, respectively. Sensitivity, specificity and diagnostic accuracy of biopsies were 54.5%, 100.0% and 72.2%, respectively. No serious adverse events occurred, and one patient was lost to follow-up.CONCLUSIONS: The novel system enabled complex stone treatment and biliary stricture diagnosis. Cholangioscopy outperformed direct biopsy regarding characterization of indeterminate strictures.
AB - BACKGROUND: Peroral cholangioscopy facilitates diagnosis and therapy of biliary disorders. This study prospectively evaluated a new short access cholangioscopy.METHODS: Consecutive patients were included as follows: difficult stones (group 1) underwent cholangioscopy with electrohydraulic lithotripsy and indeterminate biliary strictures (group 2) were evaluated with macroscopic assessment and cholangioscopy guided biopsy sampling. We evaluated the complete stone clearance rate (group 1) and diagnostic accuracy (group 2). Follow-up was performed over a median of 13 and 16 months, respectively.RESULTS: Group 1 (n=21): complete stone clearance defined as lack of stones in cholangiography and stone removal during cholangioscopy was achieved in 15 (71.4%) patients. Clinical stone clearance defined as lack of symptoms, laboratory abnormalities and hospital visits during follow-up, irrespective of stone clearance was evident in 17 (81.0%) patients. One serious adverse event occurred (bile duct perforation). Group 2 (n=28): malignancy was confirmed in 15 patients. Sensitivity, specificity and diagnostic accuracy of cholangioscopy were 85.7%, 75.0% and 80.7%, respectively. Sensitivity, specificity and diagnostic accuracy of biopsies were 54.5%, 100.0% and 72.2%, respectively. No serious adverse events occurred, and one patient was lost to follow-up.CONCLUSIONS: The novel system enabled complex stone treatment and biliary stricture diagnosis. Cholangioscopy outperformed direct biopsy regarding characterization of indeterminate strictures.
KW - Adult
KW - Aged
KW - Aged, 80 and over
KW - Bile Ducts
KW - Biopsy
KW - Cholestasis
KW - Constriction, Pathologic
KW - Endoscopes
KW - Endoscopy, Digestive System
KW - Equipment Design
KW - Feasibility Studies
KW - Female
KW - Gallstones
KW - Germany
KW - Humans
KW - Lithotripsy
KW - Male
KW - Middle Aged
KW - Predictive Value of Tests
KW - Prospective Studies
KW - Reproducibility of Results
KW - Time Factors
KW - Treatment Outcome
KW - Comparative Study
KW - Journal Article
M3 - SCORING: Journal article
C2 - 28119264
VL - 16
SP - 96
EP - 103
JO - HEPATOB PANCREAT DIS
JF - HEPATOB PANCREAT DIS
SN - 1499-3872
IS - 1
ER -