Which type of hernia repair is least likely to involve the use of mesh materials?

Hiatus hernia repair is the procedure that is least likely to involve the use of mesh materials. A hiatus hernia occurs when a portion of the stomach bulges through the diaphragm into the chest cavity. The repair typically involves techniques such as suturing or reinforcement of the diaphragm and esophageal area to prevent the stomach from protruding again.

In many cases, the repair is focused on reestablishing the normal anatomy and might not require mesh because the intent is to create a functional barrier with the tissues available rather than reinforce the wall with an additional material. This contrasts with repairs for inguinal, umbilical, and ventral hernias, where mesh is commonly used to provide additional support and a lower recurrence rate.

Inguinal, umbilical, and ventral hernias involve a direct defect in the abdominal wall where mesh can help reinforce that area. Therefore, repairs for these types of hernias more frequently utilize mesh materials to ensure a stronger repair and mitigate the risk of recurrence.