Role of Helicobacter pylori infection in complications from Meckel's diverticulum
Zvi Ackerman1, David Peston, Patrizia Cohen
1Department of Medicine, Hadassah University Hospital, Mount Scopus, Hebrew University-Hadassah Medical School, Jerusalem, Israel.
Abstract:
Our purpose was to evaluate the role of Helicobacter pylori in complications arising from Meckel's diverticulum in the Jewish and Arab populations of Jerusalem. Diverticular tissues were studied by hematoxylin-eosin, Giemsa, and two immunohistochemical stainings. Three groups of patients were identified: (1) 20 patients in whom Meckel's diverticulum was an incidental finding during laparotomy for other causes; (2) 7 patients with heterotopic gastric mucosa who underwent laparotomy because of bleeding from Meckel's diverticulum--3 were infected with Helicobacter pylori; and (3) 15 patients who underwent operations because of complicated Meckel's diverticulum except for bleeding--7 patients had heterotopic gastric mucosa; only 1 patient had Helicobacter pylori. Demographic, clinical, and pathological findings within the gastric mucosa were not different in patients with and without colonization with Helicobacter pylori. In conclusions, Helicobacter pylori colonizes heterotopic gastric mucosa with Meckel's diverticulum, but probably has a minor role in the complications of Meckel's diverticulum.
Insights
Helicobacter pylori colonizes heterotopic gastric mucosa in Meckel's diverticulum. However, this bacterium likely plays a minor role in Meckel's diverticulum complications, even in Jerusalem's diverse populations.
Area of Science:
- Gastroenterology
- Pathology
- Microbiology
Background:
- Meckel's diverticulum is a congenital anomaly of the small intestine.
- Heterotopic gastric mucosa within Meckel's diverticulum can lead to complications such as bleeding.
- The role of Helicobacter pylori in these complications is not well understood.
Purpose of the Study:
- To investigate the prevalence and role of Helicobacter pylori in Meckel's diverticulum complications.
- To compare findings in Jewish and Arab populations in Jerusalem.
Main Methods:
- Analysis of diverticular tissues using hematoxylin-eosin, Giemsa, and immunohistochemical staining.
- Categorization of patients into three groups: incidental finding, bleeding Meckel's diverticulum, and complicated Meckel's diverticulum (excluding bleeding).
Main Results:
- Helicobacter pylori was found in some patients with heterotopic gastric mucosa in Meckel's diverticulum.
- Infection rates were low, with 3 out of 7 patients with bleeding and 1 out of 15 patients with other complications testing positive.
- No significant differences in demographic, clinical, or pathological findings were observed between Helicobacter pylori-colonized and non-colonized gastric mucosa.
Conclusions:
- Helicobacter pylori can colonize heterotopic gastric mucosa associated with Meckel's diverticulum.
- The study suggests Helicobacter pylori has a limited role in the pathogenesis of Meckel's diverticulum complications.
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