Perfusion of a Kidney Graft from a Donor After Cardiac Death Based on Immediately Started Machine Perfusion: An Experimental Study on a Big Animal
Jazyk angličtina Země Spojené státy americké Médium print-electronic
Typ dokumentu časopisecké články
PubMed
34274120
DOI
10.1016/j.transproceed.2021.06.026
PII: S0041-1345(21)00446-2
Knihovny.cz E-zdroje
- MeSH
- dárci tkání MeSH
- ledviny MeSH
- opožděný nástup funkce štěpu MeSH
- perfuze MeSH
- prasata MeSH
- přežívání štěpu MeSH
- smrt MeSH
- transplantace ledvin * MeSH
- uchovávání orgánů MeSH
- zvířata MeSH
- Check Tag
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
BACKGROUND: Donation after circulatory death donors are becoming a common source of organs for transplant. Despite good long-term outcomes of grafts from donation after circulatory death, this group is affected by a higher occurrence of delayed graft function and primary nonfunction. Our hypothesis is based on the assumption that washing the kidney grafts in the donor's body using a simple mechanical perfusion pump will result in faster and better perfusion of the parenchyma and more efficient cooling compared with hydrostatic perfusion alone. METHODS: A total of 7 experimental animals (pigs) were used. The animals were divided into 2 groups: group A (n = 3) and group B (n = 4). After a 30-minute ischemic period for the selected kidney (clamped renal vessels), intra-arterial perfusion was performed. In group A perfusion was performed using hydrostatic pressure; in group B mechanical controlled perfusion was performed. After perfusion, declamping of the renal vessels caused restoration of flow. For graft quality evaluation, biopsy specimens were harvested, and the cooling speed was observed. Laboratory markers or renal failure were determined. RESULTS: We found no significant differences between temperature drop and total diuresis between groups A and B. A significant difference was found between the groups in both flow parameters (flow maximum and mean flow) (P = .007, respectively P = .019). No laboratory parameters were found to be statistically significantly different. Histopathological analysis strongly supports the hypothesis of better flushing of kidney grafts using mechanical perfusion. CONCLUSIONS: Based on our results, better kidney graft quality can be expected after immediately started mechanical perfusion in situ.
Faculty of Biomedical Engineering Czech Technical University Prague Prague Czech Republic
Sikl's Institute of Pathological Anatomy University Hospital in Plzen Plzen Czech Republic
Citace poskytuje Crossref.org
