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What Is Multivisceral Transplantation?

Multivisceral transplantation is an abdominal organ transplant in which several digestive organs are transplanted together as one composite graft. A full multivisceral graft classically includes the stomach, duodenum, pancreas, small intestine, and liver, while a modified multivisceral transplant usually excludes the liver. The organs are recovered and implanted together because their arterial and venous blood supplies are closely connected. The operation is reserved for rare, complex conditions that cannot be treated adequately with isolated intestinal, liver-intestine, or conventional abdominal surgery.

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What Is Multivisceral Transplantation?

Multivisceral transplantation is an abdominal organ transplant in which several digestive organs are transplanted together as one composite graft. A full multivisceral graft classically includes the stomach, duodenum, pancreas, small intestine, and liver, while a modified multivisceral transplant usually excludes the liver. The organs are recovered and implanted together because their arterial and venous blood supplies are closely connected. The operation is reserved for rare, complex conditions that cannot be treated adequately with isolated intestinal, liver-intestine, or conventional abdominal surgery.

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Why Is Multivisceral Transplantation Performed?

The procedure is used for selected patients with diffuse abdominal disease involving several organs or the central mesenteric blood supply. Indications include diffuse portomesenteric thrombosis, extensive desmoid tumors, abdominal catastrophes with loss of multiple organs, severe gastrointestinal motility disorders, and selected slow-growing tumors involving the mesenteric root. Full multivisceral transplantation can be required when liver failure accompanies intestinal failure or when disease involves the liver together with the foregut and intestine. Because transplantation carries major surgical and immunologic risks, candidates undergo extensive multidisciplinary assessment after standard intestinal rehabilitation and other treatment options have been exhausted.

How Is Multivisceral Transplantation Performed?

The recipient's diseased abdominal organs are removed according to the planned graft configuration, often including the native stomach, pancreas, duodenum, and intestine and sometimes the liver. The donor organs are implanted en bloc so their shared blood vessels and internal organ connections remain intact as much as possible. Major arterial and venous anastomoses restore blood flow, and the donor gastrointestinal tract is connected to the recipient's esophagus or stomach remnant and distal bowel. A temporary ostomy can be created to allow access for graft observation and intestinal biopsies during early rejection surveillance.

What Is Recovery Like After Multivisceral Transplantation?

Recovery occurs in a specialized transplant unit and is generally prolonged because the operation replaces multiple organs and includes an intestinal graft. Lifelong immunosuppressive medication is required, and frequent endoscopy with intestinal biopsy is used early to monitor for rejection. Nutrition is advanced gradually from intravenous support to enteral feeding as the transplanted gastrointestinal tract begins functioning. Long-term follow-up monitors graft function, kidney health, infection, rejection, nutritional autonomy, malignancy, and complications of chronic immunosuppression.

What Are the Risks and Complications?

Major complications include acute or chronic rejection, severe infection, graft thrombosis, anastomotic leakage, bleeding, bowel obstruction, and failure of one or more transplanted organs. Intestinal tissue is highly immunogenic, so rejection remains a major concern even with modern immunosuppressive therapy. Recipients also face risks of kidney injury, graft-versus-host disease, and post-transplant lymphoproliferative disorder. Severe graft failure can require organ removal, return to parenteral nutrition, or retransplantation.

Frequently Asked Questions About Multivisceral Transplantation

Which organs are included in a full multivisceral transplant?

A full graft classically includes the stomach, duodenum, pancreas, small intestine, and liver transplanted together.

What is a modified multivisceral transplant?

It generally includes the stomach, duodenum, pancreas, and intestine while preserving the recipient's native liver.

Why are several organs transplanted together?

Some diseases involve multiple abdominal organs or the central mesenteric circulation, making isolated organ replacement inadequate or technically impossible.

Do multivisceral transplant recipients need lifelong immunosuppression?

Yes. Lifelong immunosuppressive medication is required to reduce rejection of the transplanted organs, especially the highly immunogenic intestinal graft.

References

Indications for Multivisceral Transplantation: A Systematic Review. PubMed. https://pubmed.ncbi.nlm.nih.gov/38719376/. Date Accessed September 11, 2026.

Intestinal and Multivisceral Transplantation: Complications. PubMed. https://pubmed.ncbi.nlm.nih.gov/37495294/. Date Accessed September 11, 2026.

Intestinal and Multivisceral Transplantation: Indications and Surgical Techniques. PubMed. https://pubmed.ncbi.nlm.nih.gov/37495293/. Date Accessed September 11, 2026.

The role of endoscopy in the small intestinal transplant recipient: A review. PubMed. https://pubmed.ncbi.nlm.nih.gov/33043624/. Date Accessed September 11, 2026.

Updates on acute and chronic rejection in small bowel and multivisceral allografts. PubMed. https://pubmed.ncbi.nlm.nih.gov/24807213/. Date Accessed September 11, 2026.