Table 3.

EuraHS definitions of mesh position in ventral hernia repair

Onlay	The onlay position if the mesh is positioned above the abdominal wall muscles and fascia, behind the subcutaneous fat
Inlay	The inlay position if the mesh is positioned in the hernia defect, without overlap, and fixed to the margins of the defect
Retromuscular
Medial hernias	The retromuscular position for medial abdominal wall hernias if the mesh is positioned behind the rectus abdominis muscle and in front of the posterior rectus fascia or -caudal to the linea arcuata- in front of the peritoneum
Retromuscular
Lateral hernias	The retromuscular position for lateral abdominal wall hernias if the mesh is placed in a plane between the lateral abdominal wall muscles
Preperitoneal	The preperitoneal position if the mesh is placed in the plane behind all abdominal wall muscles in front of the peritoneum
Intraperitoneal	The intraperitoneal position if the mesh is placed behind all layers of the abdominal wall including the parietal peritoneum