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Lung preservation threshold in a compromised septic lung injury model
S Sasaki1, J D McCully, J D Palombo
1Department of Surgery, Harvard Medical School, New England Deaconess Hospital, Boston, Massachusetts 02215, USA.
The Annals of Thoracic Surgery
|October 1, 1995
Summary
Septic lung injury in rats showed function comparable to controls after 6 hours of preservation. This suggests a potential 6-hour preservation window for compromised donor lungs in transplantation.
Area of Science:
- Transplantation research
- Organ preservation
- Sepsis models
Background:
- Clinical donor lungs are often compromised, unlike intact research lungs, creating a discrepancy.
- This study aimed to create and evaluate compromised lungs for research comparison.
Purpose of the Study:
- To investigate the preservation viability of septic, compromised rat lungs.
- To compare the function of preserved septic lungs with intact lungs.
Main Methods:
- Rats received lipopolysaccharide infusion to induce sepsis.
- Lungs were stored in University of Wisconsin solution for 0, 6, or 12 hours post-sepsis.
- Preserved lungs underwent 2-hour reperfusion in an isolated perfused lung system.
Main Results:
- Lungs stored for 12 hours after sepsis induction failed within 1 hour of reperfusion.
- Lungs stored for 6 hours maintained function near control levels.
Conclusions:
- Septic lung injury impacts preservation time.
- A 6-hour preservation window may be a safe limit for compromised donor lungs.
- Findings may inform organ preservation strategies for lung transplantation.