The main study objective is to determine the frequency of hernia recurrence following use of Veritas Collagen Matrix.

Inclusion Criteria:

• Must be 18 years of age or older
• Ability to understand and read English
• Must be scheduled for open abdominal surgery for repair of primary ventral hernia or first recurrence of a ventral hernia with the Veritas Collagen Matrix using the underlay technique, with our without component separation
• Must be of ambulatory status
• Primary closure can be obtained during surgery
• Repair is such that one piece of Veritas can be used to reinforce the repair

Exclusion Criteria:

• Hernia is undetectable on physical exam
• There is evidence of existing cancer
• BMI ≥ 40
• Use of chronic immunosuppressive therapy, including steroids or cytotoxic agents
• Any condition that product labeling indicates would adversely affect participant safety, including sensitivity to bovine products

Study surgeons will recruit patients from within their own practice, or through their typical referring sources.