In the OPD7011 case, where was the mesh placed relative to the posterior rectus sheath during repair?

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This question tests your understanding of where the mesh sits in a retromuscular (sublay) repair. In this approach, the mesh is placed in the retrorectus space, which lies between the rectus abdominis muscle on the front and the posterior rectus sheath on the back. That means the mesh is anterior to the posterior rectus sheath and posterior to the rectus muscle. In other words, the mesh is superficial to the posterior sheath but deep to the rectus muscle.

This position provides a well-vascularized plane with good overlap beyond the defect and keeps the mesh away from intra-abdominal contents, reducing some complications. It’s not placed intraperitoneally, and it isn’t simply behind the rectus muscle or in front of the posterior sheath in an unintended way, which makes the described placement the correct one.