This trial was designed as a prospective randomized, controlled, intervention, with two parallel groups, and a primary endpoint of recurrence during 12 months' follow-up after initial treatment, with the randomization, was performed by an online software a 1:1 allocation.

Eligibility Criteria

• both sexes
• aged between 18 and 65 years old
• presented complex ventral wall hernia or incisional hernia

Exclusion

• pregnant
• patients on steroid therapy
• underwent their hernia repair on an emergency basis

Interventions

• Eligible patients were randomized in equal proportions between "Mesh Only Repair" and "Posterior Component Separation with Transversus Abdominis Muscle Release"

Inclusion Criteria:

• patients with complex ventral-wall and incisional hernia

Exclusion Criteria:

• pregnant female
• steroid therapy
• emergency basis