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Supercooling: A Promising Technique for Prolonged Organ Preservation in Solid Organ Transplantation, and Early Perspectives in Vascularized Composite Allografts.
- Source :
-
Frontiers in transplantation [Front Transplant] 2023; Vol. 2. Date of Electronic Publication: 2023 Oct 23. - Publication Year :
- 2023
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Abstract
- Ex-vivo preservation of transplanted organs is undergoing spectacular advances. Machine perfusion is now used in common practice for abdominal and thoracic organ transportation and preservation, and early results are in favor of substantially improved outcomes. It is based on decreasing ischemia-reperfusion phenomena by providing physiological or sub-physiological conditions until transplantation. Alternatively, supercooling techniques involving static preservation at negative temperatures while avoiding ice formation have shown encouraging results in solid organs. Here, the rationale is to decrease the organ's metabolism and need for oxygen and nutrients, allowing for extended preservation durations. The aim of this work is to review all advances of supercooling in transplantation, browsing the literature for each organ. A specific objective was also to study the initial evidence, the prospects, and potential applications of supercooling preservation in Vascularized Composite Allotransplantation (VCA). This complex entity needs a substantial effort to improve long-term outcomes, marked by chronic rejection. Improving preservation techniques is critical to ensure the favorable evolution of VCAs, and supercooling techniques could greatly participate in these advances.<br />Competing Interests: Disclosure K.U, C.L.C, Y.B, and A.G.L have patent applications relevant to this field. K.U has a financial interest in and serves on the Scientific Advisory Board for Sylvatica Biotech Inc., a company focused on developing high subzero organ preservation technology. Competing interests for MGH investigators are managed by the MGH and MGB in accordance with their conflict-of-interest policies.
Details
- Language :
- English
- ISSN :
- 2813-2440
- Volume :
- 2
- Database :
- MEDLINE
- Journal :
- Frontiers in transplantation
- Publication Type :
- Academic Journal
- Accession number :
- 38682043
- Full Text :
- https://doi.org/10.3389/frtra.2023.1269706