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"Brain death"

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https://www.readbyqxmd.com/read/29790212/dopamine-in-transplantation-written-off-or-comeback-with-novel-indication
#1
REVIEW
Peter Schnuelle, Urs Benck, Benito A Yard
Renal-dose dopamine has fallen out of favor in the intensive care unit (ICU) during past years due to its ineffectiveness to prevent impending or to ameliorate overt renal failure in the critically ill. By contrast, growing evidence indicates that low-dose dopamine administered to the stable organ donor after brain death confirmation improves the clinical course of transplanted organs after kidney and heart transplantation. Ensuring a thorough monitoring for potential circulatory side effects, employment of dopamine at a dose of 4 μg/kg per minute is safe in the deceased donor...
May 23, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29786813/prediction-of-mortality-in-pediatric-traumatic-brain-injury-implementations-from-a-tertiary-pediatric-intensive-care-facility
#2
Ebru Atike Ongun, Oğuz Dursun
BACKGROUND: To explore the mortality risk factors of traumatic brain injury in pediatric intensive care unit admissions. METHODS: Eighty-eight children (categorized using the Glasgow Coma Scale) between September 2014 and December 2016 were analyzed. Emergency department and intensive care course, treatment strategies, axonal injury, intubation and tracheostomy rates, length of intensive care and hospitalization, Rotterdam-CT scores, injury severity scores, and PRISM-III scores were recorded...
May 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29783851/the-death-debate-penumbra-conundrum
#3
Robert F Johnson
Determination and declaration of death by neurologic criteria, brain death, is an established and legally accepted clinical practice with profound implications. Concerns regarding the accuracy of this diagnosis raise important clinical, ethical, and legal issues. A recent magazine article highlights these concerns by describing a poignant example of a patient meeting accepted clinical and ancillary testing criteria for brain death in the setting of post cardiac arrest hypoxic ischemic encephalopathy (CA-HIE)...
January 1, 2018: American Journal of Hospice & Palliative Care
https://www.readbyqxmd.com/read/29778977/medical-students-and-brain-death-an-educational-initiative
#4
EDITORIAL
Jeanie C McGee, Alireza Minagar
No abstract text is available yet for this article.
April 30, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29766775/deceased-donor-smoking-history-is-associated-with-increased-recipient-mortality-after-kidney-transplant-a-population-cohort-study
#5
Holly Gillott, Francesca Jackson Spence, Sanna Tahir, James Hodson, Jay Nath, Adnan Sharif
OBJECTIVES: Historical data have suggested that donor smoking is associated with detrimental clinical outcomes for recipients of kidneys from deceased donors. However, the effects of smoking status of a kidney donor on the outcomes of the recipient in a contemporary setting of immunosuppression and transplant practice have not yet been ascertained. MATERIALS AND METHODS: This retrospective, population-cohort study analyzed data of all deceased-donor kidney-alone transplant procedures performed in the United Kingdom between April 2001 and April 2013...
May 16, 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29756746/factors-influencing-consent-to-organ-donation-after-brain-death-certification-a-survey-of-29-intensive-care-units
#6
Guya Piemonte, Maria L Migliaccio, Stefano Bambi, Marco Bombardi, Lorenzo D'antonio, Andrea Guazzini, Caterina Di Pasquale, Laura Tadini-Buoninsegni, Cristiana Guetti, Manuela Bonizzoli, Sara Bagatti, Paolo Lopane, Anna Nativi, Laura Rasero, Adriano Peris
BACKGROUND: Family refusal (FR) to heart beating donation (HBD) in Intensive Care Unit (ICU) is increasing in recent years with a significant impact on the number of transplantable organs. Fostering setting humanization, quality of relationships, respect for will and family reliance towards ICU could be relevant in containing FR to organ donation (OD) in ICU. Our aims were to highlight the effects of structural features of ICUs and humanization determinants on FR in HBD process, and to describe visiting policies, structure and modalities of support in ICUs...
May 14, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29749664/the-role-of-neuroimaging-in-the-determination-of-brain-death
#7
Derek MacDonald, Brandie Stewart-Perrin, Jai Jai Shiva Shankar
BACKGROUND AND PURPOSE: Brain death determination (BDD) is primarily a clinical diagnosis, where death is defined as the permanent loss of brainstem function. In scenarios where clinical examinations are inaccurate, ancillary imaging tests are required. The choice of ancillary imaging test is variable, but the common denominator for all of them is to establish a lack of cerebral blood flow. The purpose of this study was to compare the diagnostic accuracy and interrater reliability of different ancillary imaging tests used for BDD...
May 11, 2018: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29745329/building-bridges-between-clinical-and-forensic-toxicology-laboratories
#8
Bernardino Barcelo Martin, Isabel Gomila, Valeria Noce
BACKGROUND: Clinical and forensic toxicology can be defined as the two disciplines involved the detection, identification and measurement of xenobiotics in biological and non-biological specimens to help in the diagnosis, treatment, prognosis, prevention of poisonings and to disclose causes and contributory causes of fatal intoxications, respectively. OBJECTIVE: This article explores the close connections between clinical and forensic toxicology in overlapping areas of interest...
May 9, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29743483/confirmation-of-brain-death-using-optical-methods-based-on-tracking-of-an-optical-contrast-agent-assessment-of-diagnostic-feasibility
#9
Wojciech Weigl, Daniel Milej, Anna Gerega, Beata Toczyłowska, Piotr Sawosz, Michał Kacprzak, Dariusz Janusek, Stanisław Wojtkiewicz, Roman Maniewski, Adam Liebert
We aimed to determine whether optical methods based on bolus tracking of an optical contrast agent are useful for the confirmation of cerebral circulation cessation in patients being evaluated for brain death. Different stages of cerebral perfusion disturbance were compared in three groups of subjects: controls, patients with posttraumatic cerebral edema, and patients with brain death. We used a time-resolved near-infrared spectroscopy setup and indocyanine green (ICG) as an intravascular flow tracer. Orthogonal partial least squares-discriminant analysis (OPLS-DA) was carried out to build statistical models allowing for group separation...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29737476/differential-effects-of-brain-death-on-rat-microcirculation-and-intestinal-inflammation-female-versus-male
#10
Sueli Gomes Ferreira, Roberto Armstrong-Jr, Guilherme Konishi Kudo, Cristiano de Jesus Correia, Sabrina Thalita Dos Reis, Paulina Sannomiya, Ana Cristina Breithaupt-Faloppa, Luiz Felipe Pinho Moreira
Brain death (BD) affects organs by multiple mechanisms related to hemodynamic effects, hormonal changes, and the systemic inflammatory response, which reduce organ function and viability. BD reduces microcirculatory perfusion in rat mesentery; this disturbance is also observed in the pancreas and lungs. Sex hormones can affect microcirculatory function, altering tissue perfusion and influencing the inflammatory process. Here, we present differences between sexes in the microcirculatory alterations generated by BD and in inflammatory infiltrate...
May 8, 2018: Inflammation
https://www.readbyqxmd.com/read/29735214/effect-of-vasoactive-therapy-used-for-brain-dead-donors-on-graft-survival-after-kidney-transplantation
#11
D Birtan, M K Arslantas, G T Altun, P C Dincer, S Gecegormez, A Demirel, H O Ayanoglu
Serum catecholamine levels and peripheral vascular resistance decrease after brain death. Vasoactive drugs are used to control these hemodynamic changes and to improve perfusion of the organs. These drugs might have a role in rejection or loss of the graft organ. We aimed to investigate the effects of vasoactive drugs used in the cadaveric donor care on post-transplant renal graft functions. In this retrospective study, medical records of 135 cadaveric donors (270 kidneys) and recipients of these kidneys were evaluated...
May 4, 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29731163/predictors-of-organ-donation-among-patients-with-brain-death-in-the-intensive-care-unit
#12
M T Nakamura, G E Rodio, C Tchaicka, E F Padilha, A C Jorge, P A D Duarte
INTRODUCTION: Despite the improved care of potential organ donors with probable brain death (BD) in the intensive care unit (ICU), few epidemiologic and clinical data are available in developing countries. OBJECTIVES: To evaluate ICU patients with suspected BD aiming to identify factors possibly related to success (organ donation) or failure (nondonation). METHODS: Retrospective cohort study, from the patient records of an adult ICU of a Brazilian teaching hospital for 12 months...
March 9, 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29731091/a-study-on-nursing-students-knowledge-attitude-and-educational-needs-for-brain-death-organ-transplantation-and-donation-and-intent-to-donate-organs
#13
M K Ju, M K Sim, S Y Son
OBJECTIVE: The purpose of this study was to identify the knowledge, attitude, educational needs, and will of nursing students on organ donation from brain-dead donors. METHODS: Data were collected by using a 40-item questionnaire to measure knowledge, attitude, educational needs, and will for organ donation of 215 nursing college students in one university in Dangjin city from May 11 to May 31, 2017. The data were analyzed using SPSS 22 program (Data Solution Inc, Seoul)...
May 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29731090/police-officers-knowledge-and-attitudes-toward-brain-death-and-organ-donation-in-korea
#14
H S Kim, Y S Yoo, O-H Cho, C E Lee, Y-H Choi, H J Kim, J Y Park, H S Park, Y J Kwon
BACKGROUND: Administrative processing by the police may affect the process involved in organ donation in the event of an accidental brain injury. The purpose of this study was to evaluate the knowledge and attitude of police toward brain-dead donors and organ donation. METHODS: This was a descriptive research study using a 41-item questionnaire. As of July 19, 2017, 11 police stations in Seoul had collected questionnaires completed by 115 police officers. Data were analyzed using SAS (version 9...
May 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29730790/rapidly-progressive-fatal-idiopathic-hypertrophic-pachymeningitis-with-brainstem-involvement-in-a-child
#15
Kosuke Tsuchida, Shinobu Fukumura, Akiyo Yamamoto, Yukinori Akiyama, Hiroshi Hirano, Hiroyuki Tsutsumi
BACKGROUND: Hypertrophic pachymeningitis (HP) is a rare disorder characterized by diffuse thickening of the dura mater with resultant neurologic deficits. HP develops secondary to various conditions or idiopathically usually in adults but rarely in children. CASE REPORT: We describe a 3-year-old female child with idiopathic HP. Her HP involved the entire central nervous system with progression into the brainstem. The lesion responded poorly to pulsed steroids or any immunosuppressants...
May 5, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29729610/brain-death-organ-donor-supported-by-a-left-ventricular-assist-device-showing-unexpected-congestive-liver-fibrosis-a-case-report
#16
Hideya Kamei, Masahiko Komagome, Nobuhiko Kurata, Satoshi Ogiso, Yasuharu Onishi, Takanobu Hara, Mitsuhisa Takatsuki, Susumu Eguchi, Yasuhiro Ogura
INSTRUCTION: Organ transplantation from a brain death donor on mechanical circulatory support is rare. We report a case in which a brain death donor, supported by a left ventricular assist device (LVAD), unexpectedly displayed significant congestive fibrosis of the liver. PRESENTATION OF CASE: The potential organ donor was diagnosed 23 years previously as having dilated-phase of hypertrophic cardiomyopathy. He had undergone implantation of an LVAD as a bridge to heart transplantation...
April 30, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29727439/accuracy-of-computed-tomographic-perfusion-in-diagnosis-of-brain-death-a-prospective-cohort-study
#17
Marcin Sawicki, Joanna Sołek-Pastuszka, Katarzyna Chamier-Ciemińska, Anna Walecka, Romuald Bohatyrewicz
BACKGROUND This study was designed to determine diagnostic accuracy of computed tomographic perfusion (CTP) compared to computed tomographic angiography (CTA) for the diagnosis of brain death (BD). MATERIAL AND METHODS Whole-brain CTP was performed in patients diagnosed with BD and in patients with devastating brain injury with preserved brainstem reflexes. CTA was derived from CTP datasets. Cerebral blood flow (CBF) and volume (CBV) were calculated in all brain regions. CTP findings were interpreted as confirming diagnosis of BD (positive) when CBF and CBV in all ROIs were below 10 mL/100 g/min and 1...
May 4, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29724990/knowledge-and-ethical-issues-in-organ-transplantation-and-organ-donation-perspectives-from-iranian-health-personnel
#18
Mahmoud Abbasi, Mehrzad Kiani, Mehdi Ahmadi, Bahare Salehi
BACKGROUND Organ transplantation is one of the most critical topics in medical ethics that is commonplace in various countries. This study aimed to evaluate the knowledge and the ethical issues surrounding organ transplantation and organ donation among healthcare personnel in Tehran, Iran. MATERIAL AND METHODS In a cross-sectional study performed on 450 healthcare personnel, self-administered questionnaires were used to derive data from individuals. Among the 450 health personnel who received the questionnaires, 377 completed their questionnaires (83...
May 4, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29722133/pediatric-en-bloc-kidney-transplantation-from-very-small-%C3%A2-10-kg-donation-after-circulatory-death-versus-brain-death-donors-single-center-matched-pair-analysis-of-130-transplants
#19
Christoph Troppmann, Chandrasekar Santhanakrishnan, Ghaneh Fananapazir, Kathrin Troppmann, Richard Perez
En bloc kidney transplants (EBK) from very small pediatric donation after circulatory death (DCD) donors are infrequent owing to the perception that DCD adversely impacts outcomes. We retrospectively studied 130 EBKs from donors ≤10 kg (65 consecutive DCD vs. 65 donation after brain death [DBD] transplants; pair-matched for: donor weight and terminal creatinine; preservation time). For DCD vs. DBD, median donor weight was 5.0 vs. 5.0 kg; median recipient age 57 vs. 48 years (p=0.006). Graft losses from thrombosis (DCD, 5%; DBD, 7%) or primary nonfunction (DCD, 3%; DBD, 0%) were similar in both groups (p=0...
May 2, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29712886/outcomes-of-adult-liver-transplantation-from-donation-after-brain-death-followed-by-circulatory-death-in-china
#20
Jiabin Zhang, Hui Ren, Yanling Sun, Zhijie Li, Hongbo Wang, Zhenwen Liu, Shaotang Zhou
BACKGROUND Organ donation from a deceased donor, which is donation after brain death followed by circulatory death, is a unique transplantation practice in China. Pathological features of grafts help guide the utilization of grafts. MATERIAL AND METHODS We retrospectively reviewed our experiences in 188 DBCD allografts from May 2014 to April 2017. We divided 183 transplanted allografts into 3 groups according to pretransplant histology: the good quality graft group (n=62), the preservation injury group (n=27), and the steatotic graft group (n=94)...
May 1, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
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