✦ HERNIA SURGERY · COMPLEX

Component Separation Technique for Giant Hernias

Q: What is the recurrence rate after component separation?

With adequate component release and large mesh reinforcement, recurrence is 10–15% at 5 years — significantly better than the near-100% recurrence seen with forced closure under tension.

Q: Why is pre-operative weight loss important before component separation?

Obesity is the primary risk factor for recurrence after hernia repair. Weight loss reduces abdominal wall tension and significantly decreases infection and recurrence risk.

Q: Can component separation be done laparoscopically?

Yes — endoscopic TAR (Transversus Abdominis Release) can be performed minimally invasively, reducing wound complications.

Advanced abdominal wall reconstruction for large complex hernias — achieving tension-free midline closure.

120–240 Min TREATMENT DURATION

5–7 Days CARE SETTING

Open APPROACH

4–6 Weeks RECOVERY TIMELINE

What is Component Separation Technique for Giant Hernias?

Component Separation Technique (CST) is an advanced abdominal wall reconstruction for giant hernias where the defect is too wide for standard mesh repair alone. By releasing the lateral abdominal wall components, additional fascial length is gained allowing tension-free midline closure — essential for preventing recurrence in very large hernias. Dr. Tagore Mohan Grandhi performs component separation for giant incisional and ventral hernias. Pre-operative nutritional optimisation, weight loss, and smoking cessation are mandatory before surgery.

Suitable for patients with large complex incisional or ventral hernias where standard mesh repair alone cannot achieve tension-free midline closure.

How the Procedure Works

CT Planning

CT measures fascial defect, assesses abdominal wall quality, and plans release strategy. Nutritional optimisation and weight loss completed pre-operatively.

External Oblique Release

External oblique aponeurosis released lateral to the rectus sheath, advancing rectus complex medially by 8–10 cm per side.

TAR (if needed)

For very large defects, Transversus Abdominis Release performed posteriorly, creating a large retromuscular mesh space.

Mesh Reinforcement

Large mesh placed in retromuscular or preperitoneal space covering defect under no tension.

Drain and Closure

Closed suction drains placed. Abdominal wall closed in layers. Drains removed when output settles.

Outcomes

120–240 MinTREATMENT DURATION

5–7 DaysCARE SETTING

OpenAPPROACH

4–6 WeeksRECOVERY TIMELINE

Who Needs This Treatment?

→Only technique gaining native tissue for tension-free midline closure
→Avoids high-tension closure and its associated high recurrence rate
→Combined with large mesh provides durable repair of previously irreparable hernias
→Restores normal abdominal wall mechanics and functional integrity

Component separation is a game-changer for patients with giant hernias that other surgeons have been unable to repair. By releasing the abdominal wall and closing under zero tension with mesh, we achieve durable results that last.

— Dr. Tagore Mohan Grandhi, Senior Consultant Gastrointestinal Surgeon, Lux Hospitals, Hyderabad

Common Questions

Frequently Asked Questions

What is the recurrence rate after component separation?+

Why is pre-operative weight loss important before component separation?+

Can component separation be done laparoscopically?+

Not sure which treatment is right for you?

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