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Successful Transplantation of Lungs From an Uncontrolled Donor After Circulatory Death Preserved In Situ by Alveolar Recruitment Maneuvers and Assessed by Ex Vivo Lung Perfusion.

ABSTRACT: We developed a protocol to procure lungs from uncontrolled donors after circulatory determination of death (NCT02061462). Subjects with cardiovascular collapse, treated on scene by a resuscitation team and transferred to the emergency room, are considered potential donors once declared dead. Exclusion criteria include unwitnessed collapse, no-flow period of >15 min and low flow >60 min. After death, lung preservation with recruitment maneuvers, continuous positive airway pressure, and protective mechanical ventilation is applied to the donor. After procurement, ex vivo lung perfusion (EVLP) is performed. From November 2014, 10 subjects were considered potential donors; one of these underwent the full process of procurement, EVLP, and transplantation. The donor was a 46-year-old male who died because of thoracic aortic dissection. Lungs were procured 4 h and 48 min after death, and deemed suitable for transplantation after EVLP. Lungs were then offered to a rapidly deteriorating recipient with cystic fibrosis (lung allocation score [LAS] 46) who consented to the transplant in this experimental setting. Six months after transplantation, the recipient is in good condition (forced expiratory volume in 1 s 85%) with no signs of rejection. This protocol allowed procurement of lungs from an uncontrolled donor after circulatory determination of death following an extended period of warm ischemia.

SUBMITTER: Valenza F

PROVIDER: S-EPMC5021126 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Successful Transplantation of Lungs From an Uncontrolled Donor After Circulatory Death Preserved In Situ by Alveolar Recruitment Maneuvers and Assessed by Ex Vivo Lung Perfusion.

Valenza F F Citerio G G Palleschi A A Vargiolu A A Fakhr B Safaee BS Confalonieri A A Nosotti M M Gatti S S Ravasi S S Vesconi S S Pesenti A A Blasi F F Santambrogio L L Gattinoni L L

American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons 20160130 4

We developed a protocol to procure lungs from uncontrolled donors after circulatory determination of death (NCT02061462). Subjects with cardiovascular collapse, treated on scene by a resuscitation team and transferred to the emergency room, are considered potential donors once declared dead. Exclusion criteria include unwitnessed collapse, no-flow period of >15 min and low flow >60 min. After death, lung preservation with recruitment maneuvers, continuous positive airway pressure, and protective ...[more]

PMID: 26603283

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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.

Dataset Information

Successful Transplantation of Lungs From an Uncontrolled Donor After Circulatory Death Preserved In Situ by Alveolar Recruitment Maneuvers and Assessed by Ex Vivo Lung Perfusion.

Publications

Successful Transplantation of Lungs From an Uncontrolled Donor After Circulatory Death Preserved In Situ by Alveolar Recruitment Maneuvers and Assessed by Ex Vivo Lung Perfusion.

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