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- W3008838938 abstract "Donation after circulatory determination of death (DCD) has been performed in Canada since 2006. Numerous aspects of donor management remain controversial. We performed a multicentre cohort study involving potential DCD donors in western Canada (2008–2017), as well as recipients of their organs, to describe donor characteristics and critical care practices, and their relation to one-year recipient and graft survival. There were 257 patients in four provinces that underwent withdrawal of life-sustaining therapies (WLST) in anticipation of possible DCD. The proportion of patients that died within two hours of WLST ranged from 67% to 88% across provinces (P = 0.06), and was predicted by deeper coma (P = 0.01), loss of pupillary light or corneal reflexes (P = 0.02), and vasopressor use (P = 0.01). There were significant differences between provinces in time intervals from onset of hypotension to death (9–11 min; P = 0.02) and death to vascular cannulation (7–10 min; P < 0.001). There was inconsistency in pre-mortem heparin administration (82–96%; P = 0.03), including timing (before vs after WLST; P < 0.001) and dose (≥ 300 vs < 300 units·kg−1; P < 0.001). Donation after circulatory death provided organs for 321 kidney, 81 liver, and 50 lung transplants. One-year recipient and graft survival did not differ among provinces (range 85–90%, P = 0.45). Predictors of death or graft failure included older recipient age (odds ratio [OR] per year, 1.04; 95% confidence interval [CI],1.01 to 1.07) and male donor sex (OR, 3.35; 95% CI, 1.39 to 8.09), but not time intervals between WLST and cannulation or practices related to heparin use. There is significant variability in critical care DCD practices in western Canada, but this has not resulted in significant differences in recipient or graft survival. Further research is required to guide optimal management of potential DCD donors." @default.
- W3008838938 created "2020-03-06" @default.
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- W3008838938 date "2020-02-25" @default.
- W3008838938 modified "2023-10-15" @default.
- W3008838938 title "Donation after circulatory determination of death in western Canada: a multicentre study of donor characteristics and critical care practices" @default.
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- W3008838938 doi "https://doi.org/10.1007/s12630-020-01594-8" @default.
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