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Sigmoid perforation by broken nitinol memory frame after inguinal hernia repair
Jasper Cornette1, K Vindevoghel1, C P Lange1
1Department of Surgery, O. L. V. Van Lourdes Hospital, Waregem, Belgium.
Acta Chirurgica Belgica
|May 7, 2020
Summary
A fractured nitinol ring in an inguinal hernia mesh caused sigmoid perforation in a young athlete. This highlights the risk of mesh component failure due to repeated bending and compression forces in active patients.
Area of Science:
- Surgical innovation and materials science.
- Abdominal wall reconstruction techniques.
Background:
- Inguinal hernia repair often utilizes meshes with memory frames for easier placement.
- Nitinol, a nickel-titanium alloy, is known for its shape memory properties and use in vascular stents.
Observation:
- A 29-year-old athlete with a history of inguinal hernia repair presented with severe abdominal pain.
- CT scan revealed a fractured nitinol ring from the inguinal mesh perforating the sigmoid colon.
Findings:
- The nitinol memory ring of the Rebound HRD Shield mesh fractured due to repeated bending and compression forces in the groin.
- This fatigue fracture led to the mesh ring perforating the sigmoid colon.
Implications:
- Nitinol rings in inguinal hernia meshes may be prone to fracture in young, athletic individuals due to biomechanical stress.
- Informed consent regarding potential mesh component failure and careful risk-benefit assessment are crucial for these patients.
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