Review for 10.1186/s12876-019-1053-6 (2019)

Reviewer’s report
Title:  Classification of the Cystic Duct Patterns and Endoscopic Transpapillary Cannulation of the
Gallbladder to Prevent Post-ERCP Cholecystitis
Version: 1 Date: 11 Jun 2019
Reviewer: Young Koog Cheon
Reviewer's report:
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This revised manuscript is well written and reflected by reviewers' comments.
But, there was no statistical difference the sucess rate of the cannulation into the cystic duct between
types. To find the orifice of the cystic duct itself and insert a guidewire into the deeper portion of the
GB may be more important in order to prevent PEC after procedure.
Therefore, authors should be focused the tip of techniques of finding a orifice of the cystic duct and
inserting a guidewire into the deeper portion of the GB without complications in the discussion part.
Are the methods appropriate and well described?
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Yes
Does the work include the necessary controls?
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Unable to assess
Are the conclusions drawn adequately supported by the data shown?
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Yes
Are you able to assess any statistics in the manuscript or would you recommend an additional
statistical review?
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assessment in your comments to the editors.
Not relevant to this manuscript
Quality of written English
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Acceptable
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