Optimizing surgical resection of the bleeding Meckel diverticulum in children

Infographic · Oct 2018 · 1 min read

In brief

Retrospective study of 102 pediatric Meckel resections found diverticulectomy alone safely eradicates gastric heterotopia in bleeding cases, with significantly shorter hospitalization (1.6 vs 4.0 days) compared to segmental resection and no rebleeding. All bleeding diverticula contained gastric mucosa with ulceration averaging 3mm from heterotopic tissue.

All bleeding Meckel diverticula in children contain gastric heterotopia; diverticulectomy alone completely removes acid-producing tissue.
Diverticulectomy-only reduces hospital stay to 1.6 days vs 4.0 days for segmental resection, with no rebleeding in either group.
Ulceration occurs within 16mm of gastric mucosa; resection margins free of gastric tissue prevent recurrence without needing bowel resection.
In 102 pediatric cases, diverticulectomy-only had no increased complications vs segmental enterectomy for bleeding Meckel diverticula.
Surgical approach for bleeding Meckel: diverticulectomy is sufficient—segmental ileal resection offers no clinical advantage.

Written by the GCMD Library team from the infographic.

The infographic uses a four-column layout with color-coded sections (bright green, teal, and darker teal) displaying simplified intestinal diagrams. Each column shows identical bowel illustrations with varying annotations to represent different surgical outcomes. The green section highlights zero rebleeding, while subsequent columns use hospital bed icons and percentage indicators to compare complications and pathology findings between the two surgical approaches.

Purpose

Meckel diverticula containing gastric heterotopia predispose to local hyperacidity, mucosal ulceration, and gastrointestinal bleeding in children. Eradication of acid-producing oxyntic cells is performed by either of two surgical methods: segmental enterectomy including the diverticulum or diverticulectomy only.

Methods

Retrospective review of all children having surgical resection of a Meckel diverticulum at a tertiary-referral children's hospital from 2002 to 2016 was performed. Demographic data, surgical method, pathological specimens, and outcomes were evaluated.

Results

102 children underwent surgical resection of a Meckel diverticulum during the study period. 27 (26.5%) children presented with bleeding, of which 16 (59%) had diverticulectomy only, and 11 (41%) had segmental ileal resection. All Meckel diverticula in children presenting with bleeding contained gastric heterotopia, and resection margins were free of gastric mucosa. Histologically, 19 specimens showed microscopic features of ulceration, on average 2.95 mm (SD 4.49) from the nearest gastric mucosa (range: 0–16 mm). Mean length of hospitalization after ileal resection was 4.0 days (SD 1.2) compared to 1.6 days (SD 0.9) for diverticulectomy only (p < 0.001), with no re-bleeding occurrences.

Conclusion

In the operative management of children having a bleeding Meckel diverticulum, diverticulectomy-only completely eradicates gastric heterotopia without increased risk of continued bleeding or complications and significantly shortens hospitalization.