Internal hernia after proximal gastrectomy with jejunal interposition
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Although internal hernia (IH) has been reported after laparoscopic distal or total gastrectomy with Roux-en-Y reconstruction, there are few reports of IH after proximal gastrectomy with jejunal interposition (PG-JI). The aim of this study was to analyze the incidence and clinical features of IH after PG-JI. This study retrospectively reviewed 71 patients who underwent PG-JI for gastric cancer at a single institution between July 2007 and December 2016. The median follow-up period after PG-JI was 50 months. Four patients (5.6%) developed IH. IH occurred in 3 of 38 patients after open PG (7.9%) and 1 of 33 after laparoscopic PG (3.1%; p = 0.38). The site of IH was Petersen in all cases, where the Petersen defect was not closed. All patients had abdominal pain at onset, and the CT revealed a whirl sign. Bowel resection was required in three patients (75%). There was no morbidity. IH after PG-JI occurred regardless of operative approach (open or laparoscopic). A high degree of suspicion for IH should be maintained in patients after gastrectomy with abdominal pain and a whirl sign on CT. Closure of the mesenteric defects should be considered to reduce the incidence of IH after surgery.
KeywordsProximal gastrectomy Jejunal interposition Petersen Internal hernia Gastric cancer
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Conflict of interest
The authors declare that they have no conflict of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Research involving human participants and/or animals
This article does not contain any studies with human participants or animals performed by any of the authors.
For this type of study, formal consent is not required.
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