Machine Perfusion: Addressing Organ Shortage | Deutsches Ärzteblatt

by mark.thompson business editor

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Germany Ushers in New Era of Transplant Medicine with Machine Perfusion and Debate Over Opt-Out Organ Donation

A groundbreaking shift in transplant medicine is underway in Germany, with the nationwide implementation of hypothermic machine perfusion for kidneys from expanded donor criteria beginning January 19th. This advancement, coupled with rising organ donation rates and a renewed push for legal reform, offers a beacon of hope for the over 6,200 patients currently awaiting kidney transplants.

Extending the Lifespan of Donor Organs

The new procedure aims to maximize the utilization of every available donor organ, notably those from donors considered to have “expanded criteria,” such as older individuals. According to a medical director of the German Organ Transplantation Foundation (DSO), “Machine perfusion will play an vital role here in the future.” The technique gently preserves donor kidneys, increasing the likelihood of accomplished transplantation. Studies conducted in countries with established machine perfusion programs have also demonstrated improved transplant outcomes when the procedure is employed.

The introduction of machine perfusion is guided by new guidelines from the Federal Medical Association, passed in spring 2025, mandating its use for kidney transport from donors with expanded criteria. Exceptions will be considered onyl for logistical challenges, such as equipment availability or allocation to transplant centers outside of Germany.

Did you know? – Machine perfusion connects a kidney to a device that mimics blood flow, providing oxygen and nutrients to preserve organ function during transport.

Organ Donation Rates Rise, But Demand Remains High

Despite ongoing shortages, Germany has seen a positive trend in organ donation. In 2025, 985 individuals donated one or more organs after death, a 3.4% increase from 2024. This brings the donation rate to 11.8 donors per million inhabitants – the highest level as 2012. A total of 3,020 organs where procured and transplanted via Eurotransplant, representing a 5.8% increase year-over-year. These included 1,495 kidneys, 823 livers, 315 hearts, 308 lungs, 76 pancreases, and three intestines.Ultimately, 3,256 organs were transplanted across Germany’s 43 transplant centers, offering a renewed quality of life or continued survival for 3,150 seriously ill patients.

However, the need continues to outstrip supply. The DSO highlights regional disparities, with the East region – encompassing Saxony, Saxony-Anhalt, and Thuringia – consistently demonstrating above-average donation rates. “If as many organ donations were carried out nationwide as in this region, the situation for waiting patients would be noticeably better,” a DSO representative stated.

Reader question – Germany’s organ donation rate is still lower than some other European countries, like Spain and Croatia. What factors contribute to this difference?

The Push for an Opt-Out System

A significant barrier to increasing organ availability remains the lack of documented consent. While the majority of Germans are supportive of organ donation in principle, approximately two-thirds of potential donation cases are hindered by the absence of a clear, recorded decision. This often places an immense emotional burden on grieving families.

This challenge has reignited the debate surrounding the implementation of an “objection regulation,” also known as an opt-out system. Under this model,individuals would be presumed to consent to organ donation unless they explicitly object. Several prominent health ministers are advocating for this change. Lower Saxony’s Health Minister emphasized that the current consent-based system is failing to adequately address the critical shortage,stating,”This costs human lives that could be saved with more donor organs.”

Bavaria’s Health Minister echoed this sentiment, expressing hope that the Bundestag will swiftly consider and approve a draft bill.Mecklenburg-Western Pomerania’s Health Minister added that an objection regulation would “literally save lives” and encourage broader public discussion about organ donation. A legislative initiative from the Bundesrat is expected to be taken up by the Bundestag at the end of September 2025.

The discussion surrounding legal reform underscores the urgent need to

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