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What is Ante-situm & Ex-situ Liver Resection?

When traditional liver surgery is impossible due to tumor size, location, or vascular invasion, ante-situm and ex-situ liver resection offer life-saving solutions. These advanced techniques are designed for:

Liver Surgeons, Delhi’s premier center for gallbladder cancer surgery, we offer the following:

  • Tumors involving major blood vessels (vascular reconstruction in liver surgery).
  • Complex liver metastasis surgery (e.g., colorectal, neuroendocrine).
  • Cases requiring liver autotransplantation (reimplanting the liver after resection).

Liver Surgeons, Delhi’s leading center, we combine innovation and expertise to treat even the most challenging cases.

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The power of community to create health is far greater than any physician, clinic or hospital.

  • successful transplants
    1000+
    successful liver transplants
  • infrastructure
    State-of-the-Art
    Infrastructure
  • success rate
    95%+
    success rate
  • affordable cost
    Affordable Liver
    Transplant Cost in Delhi
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Advanced Liver Surgery

Cutting-edge surgical techniques for complex liver tumors and conditions

Advanced Surgical Techniques

  1. Ante-situm Liver Resection
    • Procedure: The liver is partially detached, cooled via hypothermic liver perfusion surgery, and temporarily moved to resect tumors while maintaining partial blood flow.
    • Use Cases: Tumors near the hepatic veins or inferior vena cava.
  2. Ex-situ Liver Resection (Bench Surgery)
    • Procedure: The liver is fully removed, cooled, and resected on a "bench" outside the body before re-transplantation.
    • Use Cases: Large central tumors requiring intricate reconstruction.
  3. Hypothermic Liver Perfusion Surgery
    • Purpose: Preserves liver function by cooling the organ to 4°C during resection, minimizing damage.
  4. Two-Stage Liver Tumor Resection
    • Approach: Removes tumors in two phases, allowing the liver to regenerate between surgeries.
    • Ideal For: Patients with insufficient future liver remnant.
  5. Vascular Reconstruction in Liver Surgery
    • Expertise: Repairing or rebuilding hepatic arteries, portal veins, or vena cava affected by tumors.
  6. Liver Autotransplantation
    • Process: The liver is removed, resected ex-situ, and reimplanted - a groundbreaking alternative to donor transplants.
  7. Veno-venous Bypass in Liver Resection
    • Role: Maintains blood circulation during surgery, reducing complications like hemodynamic instability.

Why Choose Liver Surgeon in Delhi?

Dr. Ashish George – Leader in Complex Liver Surgery:

  • Pioneering Expertise: Among India's few surgeons performing ex-situ liver resection and ante-situm procedures, with 150+ successful cases.

Innovative Outcomes:

  • 90% Tumor Clearance Rate in complex metastasis cases.
  • 80% 5-Year Survival for patients with advanced liver tumors.

Global Techniques:

  • Trained in hypothermic perfusion and vascular reconstruction at top global institutions.

Technology:

  • 3D Surgical Planning: Precisely maps tumors and blood vessels.
  • Intraoperative Imaging: Ensures complete tumor removal.

Multidisciplinary Care:

  • Collaborates with oncologists, radiologists, and transplant teams for holistic treatment.

Cost-Effective:

  • World-class outcomes at 1/3rd the cost of Western countries.

Overcome Complex Liver Tumors with Precision Surgery – Schedule a Consultation Today!

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Liver Surgery FAQs

In liver autotransplantation, your own liver is reimplanted after resection, eliminating rejection risks.

Yes! Cooling the liver to 4°C protects it during prolonged surgery, a technique refined by Dr. George’s team.

Absolutely. It allows the liver to regenerate, making previously inoperable tumors resectable.

Cutting-edge technology, skilled surgeons like Dr. Ashish George, and cost advantages position Delhi as India’s leader.

Recovery varies based on complexity:
Ante-situm: Hospital stay of 7–10 days; return to light activities in 4–6 weeks.
Ex-situ (Bench Surgery): Hospital stay of 10–14 days; full recovery may take 8–12 weeks due to the autotransplantation process.
Dr. Ashish George’s team in Delhi follows Enhanced Recovery Protocols to accelerate healing.

While rare, risks include:
• Bile duct injury from prolonged cooling.
• Vascular thrombosis post-reimplantation.
These are minimized with Dr. George’s expertise in hypothermic perfusion surgery and advanced intraoperative monitoring.

These surgeries may be avoided if:
• The patient has severely compromised liver function (e.g., advanced cirrhosis).
• Tumors involve both lobes diffusely with no resectable margins.
• The patient’s overall health cannot tolerate prolonged surgery (6+ hours).

Post-surgery, we track:
• Liver enzymes (AST/ALT) and bilirubin levels.
• Doppler ultrasound to ensure blood flow in reconstructed vessels.
• CT/MRI at 3-month intervals to detect recurrence.

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