Anterior Component Separation Versus Posterior Component Separation for Repair of Large Ventral Hernias

Large Midline Ventral Hernia

anterior component separation, TAR

This study evaluates effect of anterior component separation and posterior component separation and transversus abdominis muscle release methods for treatment of midline ventral hernias.

The anterior component separation technique requires an extensive subcutaneous flap elevation, incision of the external oblique aponeurosis, and incision of the posterior rectus sheath. The posterior component separation technique utilized the retromuscular space, accessed by incising the posterior rectus sheath and dissecting the posterior sheath between the internal oblique and transversus abdominis muscles. Transversus abdominis muscle release dissected the posterior sheath back to the transversus abdominal muscle and accessed the space between muscle and trasversalis fascia.

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