期刊
NATURE BIOMEDICAL ENGINEERING
卷 1, 期 3, 页码 -出版社
NATURE RESEARCH
DOI: 10.1038/s41551-017-0037
关键词
-
资金
- National Institutes of Health [HL134760, EB002520, HL007854]
- Richard Bartlett Foundation
- Mikati Foundation
The shortage of transplantable donor organs has profound consequences, especially for patients with end-stage lung disease, for which transplantation remains the only definitive treatment. Although advances in ex vivo lung perfusion have enabled the evaluation and reconditioning of marginally unacceptable donor lungs, clinical use of the technique is limited to similar to 6 h. Extending the duration of extracorporeal organ support from hours to days would enable longer recovery and recipient-specific manipulations of the donor lung, with the goal of expanding the donor organ pool and improving long-term outcomes. By using a clinically relevant swine model, here we report the development of a cross-circulation platform wherein recipient support enabled 36 h of normothermic perfusion that maintained healthy lungs and allowed for the recovery of injured lungs. Extended support enabled multiscale therapeutic interventions in all extracorporeal lungs. Lungs exceeded transplantation criteria, and recipients tolerated cross-circulation with no significant changes in physiologic parameters throughout 36 h of support. Our findings suggest that cross-circulation should enable extended support and interventions in extracorporeal organs.
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