期刊
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
卷 171, 期 7, 页码 786-791出版社
AMER THORACIC SOC
DOI: 10.1164/rccm.200409-1248OC
关键词
lung transplantation; prognosis; acute lung injury; reperfusion injury
Rationale: The effect of graft ischernic time on early graft function and long-term survival of patients who underwent lung transplantation remains controversial. Consequently, graft ischernic time has not been incorporated in the decision-making process at the time of graft acceptance. Objectives: To investigate the relationship between graft ischernic time and (1) early graft function and (2) long-term survival after lung transplantation. Measurements and main results: The data from 752 patients who underwent single lung transplantation (n = 258), bilateral lung transplantation (n = 247), and heart-lung transplantation (n = 247) in seven French transplantation centers during a 12-year period were reviewed. Independent data quality control was done to ensure the quality of the collected variables. Mean graft ischemic time was 245.8 +/- 96.4 minutes (range 50-660). After adjustment on I I potential confounders, graft ischernic time was associated with the recipient Pa-O2/Fl(O2) ratio recorded within the first 6 hours and with long-term survival in patients undergoing single or double lung transplantation but not in patients undergoing heart-lung transplantation. The relationship between graft ischemic time and survival appears to be of cubic form with a cutoff value of 330 minutes. These results were unaffected by the preservation fluid employed. Conclusions: The results of this large cohort of patients suggest a close relationship between graft ischernic time and both early gas exchange and long-term survival after single and double lung transplantation. Such relationship was not found in patients undergoing heart-lung transplantation. The expected graft ischernic time should be incorporated in the decision-making process at the time of graft acceptance.
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