Articles tagged with Organ Donation
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A novel study shows that Senolytics can prevent the transfer of senescence, a key mechanism of ageing, and associated physical and cognitive impairments in recipients of older donor organs. This breakthrough could lead to improved outcomes and increase organ availability for transplantation.
A new study found that islet transplantation significantly reduces the risk of kidney transplant failure and mortality in patients with type 1 diabetes. The study compared the long-term outcomes of patients who received an islet transplantation with those who underwent kidney transplantation and managed their diabetes with insulin alone.
A new device developed by Northwestern University researchers can detect temperature irregularities associated with inflammation and other body responses that arise with transplant rejection. This allows for earlier intervention, improving patient outcomes and increasing the odds of preserving donated organs.
Scientists at UCSF have developed an artificial kidney that can mimic key functions of a real kidney. The bioreactor keeps kidney cells alive for up to seven days and has shown promising results in animal trials. If successful, the device could improve treatment for kidney disease, making it more effective, tolerable, and comfortable.
Researchers have discovered a novel pathway that minimizes liver injury during transplantation by activating the protective CEACAM1-S version. This protective characteristic is regulated by HIF-1α and can be enhanced using molecular tools and alternative gene splicing, reducing organ injury and improving post-transplant outcomes.
A new preclinical study reveals that mitochondrial transplantation can lessen the damage to renal cells and kidneys, improving their function. The technology, where healthy mitochondria are injected into damaged tissue or organ, has the potential to transform renal transplant medicine.
A study at Johns Hopkins Medicine found that people living with HIV who donate a kidney to others with HIV have a low risk of developing end-stage kidney disease or other kidney problems. The study, which monitored three donors for two to four years post-transplant, bolsters support for living donations from people with HIV.
A new study published in Annals of Surgery reveals promising results for normothermic machine perfusion in liver transplantation. The randomized controlled trial found that this technology showed particular promise in marginal donors and those with higher risk factors, demonstrating a lower incidence of dysfunction and cardiovascular s...
In a groundbreaking procedure, Adriana Rodriguez received a dual-organ transplant, with her healthy liver transplanted into another patient to mitigate rejection risk. This innovative approach, known as HALT-D, demonstrates the potential for immunoprotection and has implications for highly sensitized patients requiring multiple organs.
Researchers have developed a new standard for preventing graft-versus-host disease (GVHD) after stem cell transplant, showing improved efficacy and reduced side effects compared to the current gold standard. The new regimen achieved higher rates of patient survival without GVHD complications, making it a more effective option for patie...
Researchers have developed a test to detect 'zombie' cells in donor blood, which may help increase the number of suitable hearts available for transplant. The test targets proteins associated with senescent cells, which can impact heart health.
A study found that heart transplant patients receiving organs from active COVID-19 positive donors had increased risk of death at six months and one year compared to those receiving organs from recently recovered COVID-19 patients and COVID-19 negative patients.
A new study suggests that the US liver allocation policy remains biased towards certain regions, with a customized approach to equalize supply-to-demand ratios being recommended. The researchers developed a model that accurately predicts the change in a patient's organ-offer acceptance probability due to changes in policy.
The funding will support preclinical research using genetically modified pigs, aiming to improve compatibility and reduce immune rejection in xenotransplantation. The goal is to enable human clinical trials and address the organ shortage crisis.
Researchers found that restoring function to donor hearts through taNRP can significantly increase the donor pool, leading to more transplantations. The study showed comparable survival rates between DCD and DBD heart transplants, with 97% of patients surviving for over 30 days.
A recent study published in JAMA Surgery found that underperforming organ procurement organizations significantly impact the nation's organ supply. The research analyzed data from 13 hospitals and identified large gaps between potential and actual donors, highlighting the need for improved oversight and performance standards.
A new study found that a medication previously used to treat seizures can reprogram donor hearts to boost the production of beneficial enzymes, increasing storage time and improving post-transplant function. This technology could lead to a paradigm shift in extending heart storage and reducing primary graft dysfunction.
Researchers found that non-lung transplant recipients from positive donors have excellent 30-day graft and patient survival rates, similar to those using donors negative for SARS-CoV-2. The study also showed zero transmissions of COVID-19 to lung transplant recipients after implementing lower respiratory track testing.
Research from Brigham and Women's Hospital found that genetic analysis can identify up to 65% more A2 donors, increasing potential kidney transplants for recipient candidates with blood type B. This could improve availability and equity in kidney transplantation.
Researchers have created a humanized mouse model that can predict the best match for a living organ donor and detect early signs of transplant rejection. The model uses a combination of HLA-G and B regulatory cells to identify patients who may need less immunosuppressive therapy.
A new system will prioritize medical needs over geographical location for lung transplant candidates. The change is expected to reduce waitlist mortality and improve post-transplant survival.
A study by Harvard Medical School researchers found that organ donations and transplants increase by 21% during the week of large motorcycle rallies, with 26% more transplant recipients per day. The surge in donations does not alleviate the critical shortage of donor organs, highlighting the need for improved safety protocols.
A team of researchers is developing a new method to evaluate the viability of donor kidneys using optical coherence tomography (OCT) scanning technology. OCT scans provide a more complete view of the organ's overall functional capacity, allowing for better matching with transplant patients. The goal is to increase kidney availability a...
A recent analysis of COVID-19-positive donor heart transplants found no significant differences in transplant outcomes compared to those from non-COVID-19 donors. The study's results suggest that COVID-19-positive hearts may be as safe for transplantation, potentially addressing the shortage of available donor organs.
A recent study examined public comments from Canadians regarding deemed consent legislation, which automatically assumes consent for deceased organ donation. The study found that while some people supported the legislation, others raised concerns about individual autonomy and potential errors. The authors emphasize the importance of pu...
A new study published in the Journal of Hepatology found that living donor liver transplants can reduce waitlist time and deaths in Western countries. Long-term outcomes were excellent despite relatively low use of this procedure, with high patient survival rates and similar mortality risk among three countries.
In the UK, both eligible organ donors and actual organ donations decreased by around 30% during the first two years of the COVID-19 pandemic. The proportion of eligible donors who proceeded to donation remained relatively constant.
A new review article aims to improve the impact of human islet research on type 2 diabetes treatment by addressing challenges and proposing solutions. The study highlights the importance of standardizing islet collection and analysis protocols to accelerate progress in understanding T2D.
A study by researchers from the University of Chicago reveals that bacteria in donated organs complicate the immune response after transplantation. The findings show that immune responses against commensal bacteria add to the rejection of the organ, reducing the effectiveness of immunosuppressive drugs and causing damage to the graft.
Researchers found that liver transplants from drug overdose donors increased by 26% during the pandemic, while overall solid organ transplant use from overdose donors rose by 31.2%. This trend suggests that a surge in organ donations from overdose deaths helped stabilize liver transplant numbers despite COVID-19 disruptions.
Researchers revived photoreceptor cells in human macula, responding to bright and dim lights. The study restores communication between retinal cells, transforming brain and vision research.
Researchers argue that restrictive policies are outdated and unfair, suggesting new legislation to facilitate direct contact between donor families and organ recipients. The team cites examples of provinces like British Columbia and Nova Scotia, which have mechanisms in place for mediating direct contact.
Dialysis facilities referred more incident patients, transplant centers evaluated more, but fewer were placed on the waitlist following KAS implementation. This led to a decline in overall waitlisting nationwide.
Young adults are disproportionately excluded from kidney transplantation, with only 1.8% of Black and 4.4% of Hispanic patients receiving the treatment compared to 10.9% of White patients within this age group. The study highlights the need for targeted interventions to address these disparities.
A recent study found that the number of stage 3 AKI kidneys transplanted in the US has increased significantly over the last decade, yet 44% are still discarded. This highlights the need for further efforts to optimize the use of these organs and reduce waste.
A study in Ontario, Canada found that in-person requests with physician involvement and trained donation coordinators significantly increase organ donation consent rates. Factors such as age, religion, and neighbourhood income also impact consent decisions.
Researchers propose reinstating waiting time for recipients experiencing early post-transplant allograft failure within an expanded timeframe to boost transplant numbers. This policy change could potentially reduce the perceived patient-level risk of transplanting marginal organs and improve organ utilization.
A new global study found a significant decline in solid organ transplants performed during the first wave of Covid-19 in 2020, with over 48,000 years of patient life lost. Kidney transplantation showed the largest reduction across nearly all countries.
A study of 20,304 kidney transplants found that black recipients and patients receiving kidneys from Asian donors had a higher risk of graft failure within seven years. The study suggests that improved access to organ donation among ethnic minority groups can improve long-term outcomes for all recipients.
A new approach called an immunobiological algorithm provides a comprehensive assessment of how a patient's immune system will react to tissue from each potential living donor. This method outperforms current HLA testing in identifying the best potential living donor, which could lead to improved organ transplant outcomes.
A new study from the UBC Sauder School of Business found that a subtle shift in organ donor messaging can lead to a significant boost in registration. By combining descriptive and injunctive norms, registrations increased by 70%, suggesting that emphasizing low numbers while highlighting high support motivates people to register.
Researchers from several universities and institutions found that intercepting customers with promotional materials and simplified registration forms increased new organ donor registrations by up to 80%. The study aims to reduce the intention-action gap in organ donation by leveraging behavioral science.
The study found significant racial and ethnic differences in deceased organ donation rates, with African Americans having lower rates of registration and procurement compared to whites. Additionally, the researchers identified a growing disparity between Hispanic and non-Hispanic white donors.
A new international study documents the physiology of dying and confirms that death is an irreversible process. The DePPaRT study found that cardiac activity often stops and restarts several times during the dying process, but no one regained sustained circulation or consciousness. This provides evidence to support the current standard...
Researchers analyzed national organ transplant data from 2008 to 2017 and found a wide variation in organ procurement organizations' efficiency. They proposed three new metrics that would give a more accurate and equitable representation of performance, highlighting the need for improved evaluation of the organ donation system.
A new study warns of the power of social influence in shaping organ donation decisions, revealing the 'lone wolf' effect where individuals opting out trigger a cascade of similar behavior. The researchers found that people are more likely to opt out if they perceive others doing so.
Researchers found that marketing mix elements mitigate sacrifice, engaging individuals in donation tasks and increasing likelihood of continued giving. Nonprofit organizations can address various types of sacrifice using product, place, price, promotion, people, and process components.
A new study found that a 'soft opt-out' system for organ donation increased consent rates by 2.1 times compared to England, with the impact taking several years to be fully realized. The Welsh system allowed organs to be donated without explicit consent from patients or their families.
A study published in PLOS ONE found that using altruistic terminology may not be effective in targeting non-donors. Instead, focusing on a sense of social obligation could lead to better cut-through rates. The researchers also discovered that blood donors tend to have higher primary prosocial characteristics like altruism and empathy.
A new study led by Australian National University researchers casts doubt on China's reported organ donation numbers, suggesting they may be falsified using a simple mathematical formula. The study found anomalies in the data that are difficult to explain, raising the possibility of deliberate manipulation.
A new study from the University of Michigan suggests that an opt-out organ donation policy could alleviate some of the burden on US waiting lists, but its impact would be marginal. The researchers found that such a policy could potentially translate to large gains in life years for thousands of patients awaiting organ transplantation.
A new study in INFORMS journal Management Science proposes a two-part method combining the donor-priority rule and freeze-period to increase organ quality and quantity. The solution is estimated to boost social welfare by $235 million a year and add 18 years to patient life expectancy, while increasing organ availability by 13%.
A recent study from the University of Texas at Austin suggests that a priority rule for organ donors could lead to a decline in the quality of donated organs. The researchers propose a solution of a 'freeze period' to ensure a higher organ supply without compromising quality.
A new publication provides recommendations for policy makers to support organ and tissue donation in patients who choose medical assistance in dying or withdrawal of life-sustaining measures. The guidelines emphasize the importance of protecting patient autonomy, ensuring consent is informed and withdrawn at any time.
A recent study found substantial variability in organ donation from drug-intoxication-related deaths, with major increases reported in the Northeast, Midwest, and Southwest. The research estimates that 6.24 hearts are recovered from every 1,000 lives lost to drug intoxication.
A new special report explores the definition of death, including the controversy over brain death and its implications for organ transplantation. Leading experts discuss areas of ongoing debate, such as whether brain-dead organ donors are truly dead.
A new study found that around one in 10 people are considering opting out of a proposed new system that aims to increase organ donation by presuming consent. The research suggests that campaigns targeting feelings and emotions may be more effective than interventions that present facts.
A recent study by Brigham and Women's Hospital reveals a sharp increase in organ donations from US donors who died of drug intoxication. Despite concerns over the sensitivity of these organs to blood supply restrictions, survival rates are similar to those for other causes of death.
Despite efforts to streamline the process, UK child organ donation rates have failed to rise, with many families of dying children not being considered as donors. The authors argue that family refusal remains a major obstacle and call for improved consent rates and support for family decision-making.
A new study published in CMAJ found that organ donation in Ontario rose 57% since 2006, primarily due to the introduction of a policy allowing donation after circulatory functions cease. The study suggests that this increase has led to a positive impact on transplant activity and the overall number of donors.