Review for 10.1186/s12876-021-01620-z (2021)

Reviewer’s report
Title: 
Percutaneous direct pancreatic duct intervention in management of
pancreatic fistulas: A primary treatment or temporizing therapy to prepare for
elective surgery.
Version: 
2 
Date: 
03 Dec 2020
Reviewer's report:
Dear authors,
I want to thank you for your kind answers to my initial concerns.
I like your work but from a sincere methodological point of view I think that
your definition of "success" is at least confounding for the readers.
Obtain a report of an "incidence" wasn't the point of my observation. I'm sorry if
I've been unclear. As you have clearly state the number of procedures performed
in your center in the time period is enormous, so big you have major difficulties
to determine it. Your technique had been use in only 10 cases among this
incalculable number of procedure performed in the time period and I think that
this point deserve to be treated in the discussion. 
However, as you have clearly state, it is my point of view and the editors will
have to decide if others changes should be made.
Best regards.
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Is the study design appropriate to answer the research question (including the use
of appropriate controls), and are the conclusions supported by the evidence
presented?
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