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Determining the impact of timing and of clinical factors during end-of-life decision-making in potential controlled donation after circulatory death donors.

ABSTRACT: Controlled donation after circulatory death (cDCD) occurs after a decision to withdraw life-sustaining treatment and subsequent family approach and approval for donation. We currently lack data on factors that impact the decision-making process on withdraw life-sustaining treatment and whether time from admission to family approach, influences family consent rates. Such insights could be important in improving the clinical practice of potential cDCD donors. In a prospective multicenter observational study, we evaluated the impact of timing and of the clinical factors during the end-of-life decision-making process in potential cDCD donors. Characteristics and medication use of 409 potential cDCD donors admitted to the intensive care units (ICUs) were assessed. End-of-life decision-making was made after a mean time of 97 hours after ICU admission and mostly during the day. Intracranial hemorrhage or ischemic stroke and a high APACHE IV score were associated with a short decision-making process. Preserved brainstem reflexes, high Glasgow Coma Scale scores, or cerebral infections were associated with longer time to decision-making. Our data also suggest that the organ donation request could be made shortly after the decision to stop active treatment and consent rates were not influenced by daytime or nighttime or by the duration of the ICU stay.

SUBMITTER: Kotsopoulos AM

PROVIDER: S-EPMC7754148 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Determining the impact of timing and of clinical factors during end-of-life decision-making in potential controlled donation after circulatory death donors.

Kotsopoulos Angela M AM Jansen Nichon E NE Vos Piet P Witjes Marloes M Volbeda Meint M Epker Jelle L JL Sonneveld Hans P C HPC Simons Koen S KS Bronkhorst Ewald M EM van der Hoeven Hans G HG Abdo Wilson F WF

American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons 20200826 12

Controlled donation after circulatory death (cDCD) occurs after a decision to withdraw life-sustaining treatment and subsequent family approach and approval for donation. We currently lack data on factors that impact the decision-making process on withdraw life-sustaining treatment and whether time from admission to family approach, influences family consent rates. Such insights could be important in improving the clinical practice of potential cDCD donors. In a prospective multicenter observati ...[more]

PMID: 32506559

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Project description:BackgroundThe development of controlled donation after circulatory death (cDCD) is both important and challenging. The tension between end-of-life care and organ donation raises significant ethical issues for healthcare professionals in the intensive care unit (ICU). The aim of this prospective, multicenter, observational study is to better understand ICU physicians' and nurses' experiences with cDCD.MethodsIn 32 ICUs in France, ICU physicians and nurses were invited to complete a questionnaire after the death of end-of-life ICU patients identified as potential cDCD donors who had either experienced the withdrawal of life-sustaining therapies alone or with planned organ donation (OD(-) and OD( +) groups). The primary objective was to assess their anxiety (State Anxiety Inventory STAI Y-A) following the death of a potential cDCD donor. Secondary objectives were to explore potential tensions experienced between end-of-life care and organ donation.ResultsTwo hundred six ICU healthcare professionals (79 physicians and 127 nurses) were included in the course of 79 potential cDCD donor situations. STAI Y-A did not differ between the OD(-) and OD( +) groups for either physicians or nurses (STAI Y-A were 34 (27-38) in OD(-) vs. 32 (27-40) in OD( +), p = 0.911, for physicians and 32 (25-37) in OD(-) vs. 39 (26-37) in OD( +), p = 0.875, for nurses). The possibility of organ donation was a factor influencing the WLST decision for nurses only, and a factor influencing the WLST implementation for both nurses and physicians. cDCD experience is perceived positively by ICU healthcare professionals overall.ConclusionscDCD does not increase anxiety in ICU healthcare professionals compared to other situations of WLST. WLST and cDCD procedures could further be improved by supporting professionals in making their intentions clear between end-of-life support and the success of organ donation, and when needed, by enhancing communication between ICU physician and nurses.Trial registrationThis research was registered in ClinicalTrials.gov (Identifier: NCT05041023, September 10, 2021).

Project description:Background and objectivesThe broader use of combined expanded criteria donor and donation after circulatory death (ECD/DCD) kidneys may help expand the deceased donor pool. The purpose of our study was to evaluate discard rates of kidneys from ECD/DCD donors and factors associated with discard.Design, setting, participants, & measurementsECD/DCD donors and kidneys were evaluated from January 1, 2000 to March 31, 2011 using data from the Scientific Registry of Transplant Recipients. The kidney donor risk index was calculated for all ECD/DCD kidneys. Multivariable logistic regression models were used to determine risk factors for discarding both donor kidneys. The Kaplan-Meier product limit method and the log-rank statistic were used to assess the cumulative probability of graft failure for transplants from ECD/DCD donors where the mate kidney was discarded versus both kidneys were used.ResultsThere were 896 ECD/DCD donors comprising 1792 kidneys. Both kidneys were discarded in 44.5% of donors, whereas 51.0% of all available kidneys were discarded. The kidney donor risk index scores were higher among donors of discarded versus transplanted kidneys (median, 1.82; interquartile range, 1.60, 2.07 versus median, 1.67; interquartile range, 1.49, 1.87, respectively; P<0.001); however, the distributions showed considerable overlap. The adjusted odds ratios for discard were higher among donors who were older, diabetic, AB blood type, and hepatitis C positive. The cumulative probabilities of total graft failure at 1, 3, and 5 years were 17.3%, 36.5%, and 55.4% versus 13.8%, 24.7%, and 40.5% among kidneys from donors where only one versus both kidneys were transplanted, respectively (log rank P=0.04).ConclusionsOur study shows a significantly higher discard rate for ECD/DCD kidneys versus prior reports. Some discarded ECD/DCD kidneys may be acceptable for transplantation. Additional studies are needed to evaluate the factors that influence decision making around the use of ECD/DCD kidneys.

Project description:RationaleTo address the lung donor shortage, we obtained institutional review board and US Food and Drug Administration approval to transplant lungs recovered from uncontrolled donation after circulatory determination of death donors (uDCDDs).ObjectivesTo compare outcomes of recipients of lungs recovered from uDCDDs vs. brain-dead donors.MethodsAfter consent and screening, lungs recovered from uDCDDs were assessed by 4 hours ex vivo lung perfusion (EVLP) and computed tomography (CT) scan.Measurements and main resultsOver the course of 29 months, 502 potential uDCDDs younger than 66 years were identified in a single county, with death declaration by emergency medical services and four emergency departments in this and two other countries. We determined reasons that lungs from these uDCDDs were not able to be transplanted: uDCDDs could not have lungs recovered (224), next-of-kin could not be found or refused to discuss (67), next-of-kin refused (48), medical examiner case (39), logistics/missed (35), and miscellaneous (35). There were 247 medical contraindications: 141 pulmonary and 106 nonpulmonary. Lungs were recovered from 31 uDCDDs. Thirteen lungs did not have EVLP: 5 injured lungs (one pulmonary embolism [PE] with perforated infarct, two motor vehicle crash with severe injuries, one adhesion, and one lightning strike), two large PE, two prolonged ischemic time, two obvious chronic obstructive pulmonary disease, one technical, and one consent withdrawn. Eighteen lungs had EVLP: 10 with immediate edema (three PE, three unknown down time, three long ischemic time, and one ruptured aneurysm into L pleural space, making long cardiopulmonary resuscitation ineffective), and one myocarditis, possible lung involvement. In three lungs, CT showed edema after EVLP: one poor flush and poor EVLP performance, one edema after myocardial infarction (MI) with 10-year history of chronic heart failure, and one edema with MI, resuscitated, arrested again. One concurrent pneumonia was diagnosed by bronchoscopy, CT, and cultures; one patient had chronic obstructive pulmonary disease with small subpleural blebs and poor collapse, confirmed by CT. Two uDCDDs with MIs were suitable but not transplanted: no consented recipient from one large blood type B uDCDD, and the senior surgeon was unavailable to transplant suitable lungs from a uDCDD and did not allow the transplant.ConclusionsThe objective was not met: no lungs from uDCDDs were transplanted. uDCDDs can be a source of lungs for transplant. Resolving logistical challenges and better use of first-person authorization, allowing organ recovery without next-of-kin consent or knowledge of death, could increase yield. Donor medical problems were higher than expected and may limit the effect of uDCDDs on the lung donor pool.Clinical trial registrationNCT01615484.

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Determining the impact of timing and of clinical factors during end-of-life decision-making in potential controlled donation after circulatory death donors.

Publications

Determining the impact of timing and of clinical factors during end-of-life decision-making in potential controlled donation after circulatory death donors.

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