The prosthetic materials in hernia repair
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Current Status of Surgical Meshes in Hernia Operations
Although the variety of materials used in hernia operations has increased significantly, the search for the ideal mesh continues. This study provides a comprehensive review of current information regarding available meshes and their clinical applications. According to literature reviewed through Medline-PubMed, the selection of the right graft is critical for successful surgical outcomes.
Advantages of Mesh-Based Hernia Repair
Research consistently demonstrates that hernia surgeries using mesh (graft) provide superior outcomes compared to conventional repair methods. The integration of synthetic materials has revolutionized the field, though the biological response to these materials remains a primary focus. Key factors influencing the success of the procedure include the material's biocompatibility and its physical characteristics.
Critical Factors in Mesh Selection
When choosing the appropriate mesh, surgeons must evaluate several technical parameters. The following factors are identified as the most important determinants of a graft's performance:
- Fiber type and chemical composition.
- Tensile strength and mechanical durability.
- Pore width, which directly affects tissue integration.
Lightweight Meshes and Patient Comfort
Recent findings indicate that the required tensile strength for effective repair is often less than previously expected. Consequently, lightweight grafts with large pores have gained prominence in modern surgery. These meshes offer significant clinical advantages:
- Reduced Risk: Lower incidence of infection and mesh shrinkage.
- Flexibility: Enhanced mechanical compliance with the abdominal wall.
- Comfort: Improved post-operative patient comfort and flexibility.
Specialized Mesh Applications by Hernia Type
The choice of material often depends on the specific surgical site and the risk of complications. The following table summarizes the recommended mesh types based on the procedure:
| Procedure Type | Recommended Mesh Category | Key Features |
|---|---|---|
| Inguinal Hernia Repair | Lightweight or Biomeshes | Suitable for hernia type; absorbable options for infections. |
| Intra-abdominal Procedures | Composite Meshes | Includes adhesion-preventive barriers on one side. |
Conclusion on Intra-abdominal Use
For intra-abdominal procedures, composite meshes featuring one side covered with adhesion-preventive barriers are currently asserted as the proper fit. However, it is important to note that there is still no proven superiority among various materials designed for intra-abdominal use regarding adhesion prevention. The selection process must remain focused on the specific needs of the patient and the characteristics of the hernia. (JAREM 2015; 5: 1-5)
