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Should we reconsider lung transplantation through uncontrolled donation after circulatory death?

ABSTRACT: Lung transplantation through controlled donation after circulatory death (cDCD) has slowly gained universal acceptance with reports of equivalent outcomes to those through donation after brain death. In contrast, uncontrolled DCD (uDCD) lung use is controversial and requires ethical, legal and medical complexities to be addressed in a limited time. Consequently, uDCD lung use has not previously been reported in the United States. Despite these potential barriers, we present a case of a patient with multiple gunshot wounds to the head and the body who was unsuccessfully resuscitated and ultimately became an uDCD donor. A cytomegalovirus positive recipient who had previously consented for CDC high-risk, DCD and participation in the NOVEL trial was transplanted from this uDCD donor, following 3 h of ex vivo lung perfusion. The postoperative course was uneventful, and the recipient was discharged home on day 9. While this case represents a "best-case scenario," it illustrates a method for potential expansion of the lung allograft pool through uDCD after unsuccessful resuscitation in hospitalized patients.

SUBMITTER: Suzuki Y

PROVIDER: S-EPMC4273571 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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Should we reconsider lung transplantation through uncontrolled donation after circulatory death?

Suzuki Y Y Tiwari J L JL Lee J J Diamond J M JM Blumenthal N P NP Carney K K Borders C C Strain J J Alburger G W GW Jackson D D Timar J J Berg J J Hasz R D RD Cantu E E

American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons 20140206 4

Lung transplantation through controlled donation after circulatory death (cDCD) has slowly gained universal acceptance with reports of equivalent outcomes to those through donation after brain death. In contrast, uncontrolled DCD (uDCD) lung use is controversial and requires ethical, legal and medical complexities to be addressed in a limited time. Consequently, uDCD lung use has not previously been reported in the United States. Despite these potential barriers, we present a case of a patient w ...[more]

PMID: 24712333

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Project description:RATIONALE:To 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). OBJECTIVES:To compare outcomes of recipients of lungs recovered from uDCDDs vs. brain-dead donors. METHODS:After 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 RESULTS:Over 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. CONCLUSIONS:The 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 REGISTRATION:NCT01615484.

Project description:ObjectiveDespite growing evidence of comparable outcomes in recipients of donation after circulatory death and donation after brain death donor lungs, donation after circulatory death allografts continue to be underused nationally. We examined predictors of nonuse.MethodsAll donors who donated at least 1 organ for transplantation between 2005 and 2019 were identified in the United Network for Organ Sharing registry and stratified by donation type. The primary outcome of interest was use of pulmonary allografts. Organ disposition and refusal reasons were evaluated. Multivariable regression modeling was used to assess the relationship between donor factors and use.ResultsA total of 15,458 donation after circulatory death donors met inclusion criteria. Of 30,916 lungs, 3.7% (1158) were used for transplantation and 72.8% were discarded primarily due to poor organ function. Consent was not requested in 8.4% of donation after circulatory death offers with donation after circulatory death being the leading reason (73.4%). Nonuse was associated with smoking history (P < .001), clinical infection with a blood source (12% vs 7.4%, P = .001), and lower PaO2/FiO2 ratio (median 230 vs 423, P < .001). In multivariable regression, those with PaO2/FiO2 ratio less than 250 were least likely to be transplanted (adjusted odds ratio, 0.03; P < .001), followed by cigarette use (0.28, P < .001), and donor age >50 (0.75, P = .031). Recent transplant era was associated with significantly increased use (adjusted odds ratio, 2.28; P < .001).ConclusionsNontransplantation of donation after circulatory death lungs was associated with potentially modifiable predonation factors, including organ procurement organizations' consenting behavior, and donor factors, including hypoxemia. Interventions to increase consent and standardize donation after circulatory death donor management, including selective use of ex vivo lung perfusion in the setting of hypoxemia, may increase use and the donor pool.

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Should we reconsider lung transplantation through uncontrolled donation after circulatory death?

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Should we reconsider lung transplantation through uncontrolled donation after circulatory death?

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