Surgical mesh is a thin, flexible material used to reinforce the abdominal wall during hernia repair. It has been used for decades and is the most widely studied component of modern hernia surgery. Despite its prominence in legal advertising, the evidence base supporting mesh use in most adult hernia repairs is strong.

Why mesh is used

When a hernia is repaired without mesh — a so-called tissue or suture repair — the fascia is pulled together under tension. Tension is the enemy of healing. For most adult hernias, tissue-only repairs have recurrence rates that are several times higher than mesh-based repairs. Mesh allows the surgeon to bridge or reinforce the defect without putting the repair under tension.

Common types of mesh

Permanent synthetic mesh (most commonly polypropylene) — long-term durable reinforcement
Absorbable synthetic mesh — temporary scaffold that the body absorbs over time
Biologic mesh — derived from animal or human tissue, used in select contaminated or complex cases
Hybrid mesh — combines permanent and absorbable components

Mesh also varies in weight, pore size, and coating. Lightweight, large-pore meshes are typically chosen for groin and many ventral hernia repairs because they integrate well and tend to be more comfortable long-term.

Potential benefits

Lower recurrence rates compared to most tissue-only repairs
Tension-free reinforcement
Suitable for a wide range of hernia sizes
Compatible with open, laparoscopic, and robotic techniques

Potential risks

Like any implanted material, mesh carries risks. These can include chronic pain, infection, adhesions, mesh migration, seroma, and — rarely — erosion into adjacent structures. Risk varies by mesh type, position (location in the abdominal wall), surgical technique, and patient factors.

Mesh safety in context

Major surgical societies — including the American Hernia Society, European Hernia Society, and American College of Surgeons — continue to recommend mesh-based repair for most adult hernias. Some specific mesh products have been withdrawn from the market over the years, but the general use of modern mesh remains evidence-supported.

Talking to your surgeon

Patients should feel empowered to ask their surgeon about the specific mesh proposed, its placement, expected recovery, and any alternatives. A high-volume hernia specialist will be able to explain these choices clearly and individualize them to the patient's anatomy and goals.

Hernia Mesh Explained