Publications by authors named "Rafael Matesanz"

Background: Spain was initially one of the countries most affected by the coronavirus disease 2019 (COVID-19) pandemic. In June 2020, the COVID-SCORE-10 study reported that the Spanish public's perception of their government's response to the pandemic was low. This study examines these perceptions in greater detail.

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It is frequently assumed that opt-out legislations set down a more favorable scenario to organ donation than do opt-in legislations. However, there are no clear examples of countries with a real sustained increase in organ donation after modifying the law. Arshad et al.

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The possibility to use CCR5-∆32 umbilical cord blood to cure HIV infection in patients in need of a hematopoietic transplant has been suggested. The less stringent HLA compatibility needed in this type of transplant facilitates the search of a suitable donor having the CCR5-∆32 mutation. To achieve an inventory of CCR5-∆32 cord blood units, the 20,236 best cell quality units of the Spanish Registry were genotyped.

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Background: Intensive Care to facilitate Organ Donation (ICOD) may help to increase the donor pool. We describe the Spanish experience with ICOD.

Methods: Achieving Comprehensive Coordination in Organ Donation (ACCORD)-Spain consisted of an audit of the donation pathway from patients who died as a result of a devastating brain injury (possible donors) in 68 hospitals during November 1, 2014, to April 30, 2015.

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Genome editing on human pluripotent stem cells (hPSCs) together with the development of protocols for organ decellularization opens the door to the generation of autologous bioartificial hearts. Here we sought to generate for the first time a fluorescent reporter human embryonic stem cell (hESC) line by means of Transcription activator-like effector nucleases (TALENs) to efficiently produce cardiomyocyte-like cells (CLCs) from hPSCs and repopulate decellularized human heart ventricles for heart engineering. In our hands, targeting myosin heavy chain locus (MYH6) with mCherry fluorescent reporter by TALEN technology in hESCs did not alter major pluripotent-related features, and allowed for the definition of a robust protocol for CLCs production also from human induced pluripotent stem cells (hiPSCs) in 14 days.

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The shortage of organs remains one of the biggest challenges in transplantation. To address this, we are increasingly turning to donation after circulatory death (DCD) donors and now in some countries to uncontrolled DCD donors. We consolidate the knowledge on uncontrolled DCD in Europe and provide recommendations and guidance for the development and optimization of effective uncontrolled DCD programmes.

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The best definitive treatment option for end-stage heart failure currently is transplantation, which is limited by donor availability and immunorejection. Generating an autologous bioartificial heart could overcome these limitations. Here, we have decellularized a human heart, preserving its 3-dimensional architecture and vascularity, and recellularized the decellularized extracellular matrix (dECM).

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Rising incomes, the spread of personal insurance, lifestyle factors adding to the burden of illness, ageing populations, globalization and skills transfer within the medical community have increased worldwide demand for organ transplantation. The Global Observatory on Donation and Transplantation, which was built in response to World Health Assembly resolution WHA57.18, has conducted ongoing documentation of global transplantation activities since 2007.

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Background: Globalization and migration patterns have increased the number of donors from countries with high incidence rates of tuberculosis (TB) in low incidence countries, with the subsequent increase in risk of TB transmission to the recipients.

Methods: Retrospective cohort study, including all actual deceased donors in Spanish hospitals between January 1998 and June 2011 and all the recipients who had received an organ from donors identified as TB cases.

Results: Six actual donors were identified as TB cases, representing an annual incidence of 30.

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The Global Database on Donation and Transplantation represents the most comprehensive source to date of worldwide data concerning activities in organ donation and transplantation derived from official sources, as well as information on legal and organizational aspects. The objectives are to collect, analyse and disseminate this kind of information of the WHO Member States and to facilitate a network of focal persons in the field of transplantation. They are responsible for providing the legislative and organizational aspects and the annual activity practices through a specific questionnaire.

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The biggest problem in the area of organ transplantation is often the mismatch between supply and demand. Extrapolating the transplant waiting lists in Spain at the end of a year to the global population, more than one million people would be able to benefit from a transplant if there were enough available organs and adequate infrastructure. The first frontier and the most important is therefore the donation of organs.

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Considering the relevance of the migratory processes in Western societies, the attitudes toward organ donation after death are analyzed by means of a survey applied to a representative random sample of the resident immigrant population in Spain, comprising 1202 subjects (estimated margin of error of ± 2.88%, p = q, p < 0.05).

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The Global Observatory on Donation and Transplantation represents the most comprehensive source of worldwide data concerning activities in organ donation and transplantation and information on legal and organizational aspects. Of the countries reporting information, 84.7% have a national structure supervising or coordinating donation and transplantation and 91% have specific legislation.

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Roughly 100,000 patients worldwide undergo organ transplantation annually, but many other patients remain on waiting lists. Transplantation rates vary substantially across countries. Affluent patients in nations with long waiting lists do not always wait for donations from within their own countries.

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The aim of the present study was to describe the current situation of donation after circulatory death (DCD) in the Council of Europe, through a dedicated survey. Of 27 participating countries, only 10 confirmed any DCD activity, the highest one being described in Belgium, the Netherlands and the United Kingdom (mainly controlled) and France and Spain (mainly uncontrolled). During 2000-2009, as DCD increased, donation after brain death (DBD) decreased about 20% in the three countries with a predominant controlled DCD activity, while DBD had increased in the majority of European countries.

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The critical pathway of deceased donation provides a systematic approach to the organ donation process, considering both donation after cardiac death than donation after brain death. The pathway provides a tool for assessing the potential of deceased donation and for the prospective identification and referral of possible deceased donors.

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A recent call for self-sufficiency in transplantation issued by the WHO faces variable worldwide activity, in which Spain occupies a privileged position, with deceased donation rates of 33-35per million population (pmp) and 85 transplants pmp. An evaluation of current challenges, including a decrease in deaths because of traffic accidents and cerebrovascular diseases, and a diversity of cultures in Spain, has been followed by a comprehensive strategy to increase organ availability. Actions include an earlier referral of possible donors to the transplant coordination teams, a benchmarking project to identify critical success factors in donation after brain death, new family approach and care methods, and the development of additional training courses aimed at specific groups of professionals, supported by their corresponding societies.

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Starting with the relevance of the Spanish experience, this study analyses the population's disposition towards organ donation after death by means of a representative survey of the adult Spanish population (N = 1206, estimated error ±2.87%, P < 0.05).

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One of the main unresolved questions in solid organ transplantation is how to establish indefinite graft survival that is free from long-term treatment with immunosuppressive drugs and chronic rejection (i.e., the establishment of tolerance).

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