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We explore the surprisingly complex world of surgical mesh, examining how our understanding has evolved over time through sometimes difficult lessons.

• Surgical mesh serves as a specialized reinforcing material used primarily in hernia repairs
• Three main approaches to mesh placement: bridging defects, plugging defects, and augmenting repairs
• The plugging method has largely been abandoned due to complications including pain, migration, and organ erosion
• Net meshes allow tissue integration while sheet meshes become encapsulated by the body
• "Mesh shrinkage" is actually mesh contracture - the body's scar tissue contracting around the mesh
• Lightweight meshes with larger pores (>1mm) often perform better than heavyweight options
• Biological meshes provide a scaffold for the body's cells but have limitations and higher costs
• Newer slowly absorbable meshes exist but lack long-term data on effectiveness
• Placement matters significantly - extraperitoneal or sublay placement is generally preferred
• Surprisingly, simple lightweight synthetic meshes may offer the best balance of safety and effectiveness

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