Review for 10.1186/s12876-022-02336-4 (2022)

Reviewer’s report
Title: 
Retrograde Coiled Spring Jejunal Intussusception in an Infant due to Foley
Catheter Gastrostomy: A Case Report
Version: 
1 
Date: 
11 Feb 2022
Reviewer's report:
This is a case report and the manuscript should be significantly shorter. 
The authors present a case report on intussuseption in an infant where a Foley
catheter has been put in the gastrostomy. 
That a misplaced device may cause
trouble is well known, and that is why gastrostomy bolus tubes or buttons have
been designed. These are the preferred devices to be used in gastrostomies to
avoid complications as described here. The bolus tubes have an external
retention disc which prevents that the tube move through the pylorus and into the
small bowel as has happened here. A button will also stay in place. That the
foley catheter lacks this external retention balloon is not discussed properly in
the manuscript. If a Foley catheter is used, this has to be sutured or taped
properly and parents/care-givers have to be informed about the possibility of
displacement and complications of that. This is not properly discussed in the
manuscript. I assume that Foley catheters have been used due to reduced cost.
However, if these are used surgeons must secure them properly and inform
parents accordingly. As mentioned in the manuscript, the mother had noticed
that the catheter looked shorter - reflecting that it had displaced. 
Since Foley catheters still are in use for gastrostomy feeding in some countries,
this case report is an important reminder of complications. However, clinical
implications and how to avoid this complications must be better discussed.
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