Use of a combined sublay–onlay “sandwich” technique for abdominal incisional hernia repair: a case report - Summary - MDSpire

Use of a combined sublay–onlay “sandwich” technique for abdominal incisional hernia repair: a case report

  • By

  • Xing-Kai Kang

  • Bin Wu

  • Jing Wang

  • Yi-Zhou Shao

  • Tao Wang

  • July 7, 2026

  • 0 min

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Objective:

To report a case of a large incisional hernia and demonstrate the effectiveness of a dual-layer polypropylene patch repair technique.

Approach:
  • Surgical Technique: A double-layer polypropylene patch repair technique combining sublay and onlay placement, referred to as a 'sandwich' technique, was implemented.
Key Findings:
  • The patient had a 12 cm abdominal wall defect classified as W3 according to the European Hernia Society classification.
  • The 'sandwich' technique was effective in repairing the hernia, leading to smooth postoperative recovery.
  • At the 6-month follow-up, there were no signs of recurrence.
Interpretation:

The 'sandwich' technique provides a reliable strategy for repairing giant incisional hernias, addressing mechanical limitations of traditional single-layer mesh repairs.

Limitations:
  • The study is based on a single case report, limiting generalizability.
  • Further research is needed to establish broader efficacy and safety of the dual-layer technique.
Conclusion:

The dual-layer 'sandwich' technique is a feasible approach for treating large incisional hernias, as demonstrated in this case.

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