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Review
. 2015 Jan-Mar;13(1):136-41.
doi: 10.1590/S1679-45082015RW3155.

Intestinal and multivisceral transplantation

[Article in English, Portuguese]
Affiliations
Review

Intestinal and multivisceral transplantation

[Article in English, Portuguese]
Sérgio Paiva Meira Filho et al. Einstein (Sao Paulo). 2015 Jan-Mar.

Abstract

Intestinal transplantation has shown exceptional growth over the past 10 years. At the end of the 1990's, intestinal transplantation moved out of the experimental realm to become a routine practice in treating patients with severe complications related to total parenteral nutrition and intestinal failure. In the last years, several centers reported an increasing improvement in survival outcomes (about 80%), during the first 12 months after surgery, but long-term survival is still a challenge. Several advances led to clinical application of transplants. Immunosuppression involved in intestinal and multivisceral transplantation was the biggest gain for this procedure in the past decade due to tacrolimus, and new inducing drugs, mono- and polyclonal anti-lymphocyte antibodies. Despite the advancement of rigid immunosuppression protocols, rejection is still very frequent in the first 12 months, and can result in long-term graft loss. The future of intestinal transplantation and multivisceral transplantation appears promising. The major challenge is early recognition of acute rejection in order to prevent graft loss, opportunistic infections associated to complications, post-transplant lymphoproliferative disease and graft versus host disease; and consequently, improve results in the long run.

O transplante de intestino, ao redor do mundo, tem crescido de maneira sólida e consistente nos últimos 10 anos. No final da década de 1990, passou de um modelo experimental para uma prática clínica rotineira no tratamento dos pacientes com complicação severa da nutrição parenteral total com falência intestinal. Nos últimos anos, vários centros têm relatado uma crescente melhora nos resultados de sobrevida do transplante no primeiro ano (ao redor de 80%), porém, a longo prazo, ainda é desafiador. Diversos avanços permitiram sua aplicação clínica. O surgimento de novas drogas imunossupressoras, como o tacrolimus, além das drogas indutoras, os anticorpos antilinfocíticos mono e policlonal, nos últimos 10 anos, foi de suma importância para a melhora da sobrevida do transplante de intestino/multivisceral, mas, apesar dos protocolos bastante rígidos de imunossupressão, a rejeição é bastante frequente, podendo levar a altas taxas de perdas de enxerto a longo prazo. O futuro do transplante de intestino e multivisceral parece promissor. O grande desafio é reconhecer precocemente os casos de rejeição, prevenindo a perda do enxerto e melhorando os resultados a longo prazo, além das complicações causadas por infecções oportunistas, doenças linfoproliferativas pós-transplante e a doença do enxerto contra hospedeiro.

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