Quick answer
An 8-year-old boy received a heart transplant at Union Hospital in Wuhan on 28 July 2026, after being supported for 485 days by a 45-gram heart pump made for children — a fully magnetically levitated device that took over the work of both ventricles. The hospital describes it as the world's first ultra-long biventricular-assist bridge to transplant with this class of device [1][2]. It matters because far more children need a heart than there are children's hearts to give [2][4].
Key takeaways
- A 45-gram, fully magnetically levitated heart pump — described by the hospital as the world's smallest and lightest device built specifically for children — supported an 8-year-old for 485 days until a donor heart arrived [1][2].
- He was implanted at age 7, on 30 March 2025, after going into cardiogenic shock and being kept alive on ECMO, a machine that can only be used short term [1].
- China performed only 148 paediatric heart transplants in 2024, against roughly 40,000 children admitted with heart failure each year, of whom 7–10% urgently need a transplant [2].
- Children with type O blood, like this boy, wait longer because fewer donor hearts match [1].
- This is one case, not a trial. It shows the device can hold a child for well over a year; it cannot tell you how often that will work [1][2].
The condition in context: why children run out of time
End-stage heart failure means the heart muscle can no longer pump enough blood to keep the body going. In children the usual culprits are cardiomyopathy — disease of the heart muscle itself — and congenital heart disease. Medicine can ease the symptoms, but once the muscle has failed, a transplant is the only treatment that replaces the pump. And a transplant needs a donor heart that matches both blood group and body size.
That is the bottleneck everywhere, not only in China. Roughly 5,000 heart transplants are performed worldwide each year across all ages, and reported survival after the operation is about 84% at one year and 72.5% at five [3]. The surgery is not the hard part any more; finding the heart is.
| Region | What the data shows | Source |
|---|---|---|
| China | About 40,000 children are admitted with heart failure each year; 7–10% urgently need a transplant. Only 148 paediatric heart transplants were performed nationwide in 2024. Mortality while waiting for a donor is reported at up to 40%. | Figures quoted by Union Hospital to Xinhua Daily Telegraph, October 2026 [2] |
| United States | In 2024, 657 paediatric heart transplant candidates left the waiting list: 509 were transplanted, 45 died (6.8%), and 24 became too sick to transplant. Paediatric waiting-list mortality fell below 10% for the first time in more than a decade. | OPTN/SRTR 2024 Annual Data Report, published in the American Journal of Transplantation [4] |
| Europe | Across the eight Eurotransplant countries (Austria, Belgium, Croatia, Germany, Hungary, Luxembourg, the Netherlands, Slovenia), 13,570 patients were still active on the transplant waiting list at the end of 2024; 7,150 organs from 2,181 deceased donors were allocated during the year. | Eurotransplant preliminary 2024 figures [5] |
| Worldwide | About 5,000 heart transplants a year at all ages; reported survival of 84% at one year, 80% at three and 72.5% at five. China completes a little over 500 heart transplants a year in total. | First Affiliated Hospital, Zhejiang University School of Medicine (hospital reference page) [3] |
These numbers are counted in different ways. The Chinese figures are the hospital's own, reported through state media, and are not a national registry count; the US figures come from the national transplant registry; the European figure counts all organs, not hearts alone. Read them as signposts of the same problem — demand far exceeding supply — not as a league table. Against that background, a device that can keep a small child alive and at home for 485 days changes what "waiting" means.
What happened
The boy, known by the pseudonym Junjun, is from Shandong province. He was diagnosed with dilated cardiomyopathy — a condition in which the heart's main pumping chamber stretches and weakens — in 2024, and standard drug treatment could not reverse it. By early 2025 his left ventricular ejection fraction, the share of blood the main pumping chamber pushes out with each beat, had fallen to 27%; a healthy heart manages roughly 55–70%. He also had severe leaking of the mitral and tricuspid valves [2].
On 19 March 2025 he went into cardiogenic shock with multi-organ injury and was put on ECMO (extracorporeal membrane oxygenation) — a bedside machine that circulates and oxygenates blood outside the body. ECMO buys days, not months: used long term it brings serious risks of infection and clotting problems [1].
Eleven days later, on 30 March 2025, the team of Dong Nianguo and Xia Jiahong implanted a 45-gram fully magnetically levitated paediatric heart pump in an operation lasting five hours. He came off ECMO, breathed on his own again the next day, moved to a recovery ward five days later, and was discharged home in July 2025 to wait [1][2].
A matching donor heart was allocated through China's national organ allocation system on 28 July 2026. The transplant team, led by Dong Nianguo with Su Wei, Zhou Cheng, Wang Guohua and Xia Tian, removed the failing heart together with the pump and implanted the donor heart; after 155 minutes on cardiopulmonary bypass, the new heart started beating. On 15 October 2026 he was moved out of intensive care to a general ward [1][2].
A ventricular assist device is a pump that takes over from the failing heart chamber. In a magnetically levitated ("maglev") pump the impeller that moves the blood floats in a magnetic field, so no bearings rub together — which means less wear on the blood cells passing through and, in principle, fewer clots. Supporting both ventricles, as here, is harder than supporting one, because the device has to balance the two sides of the circulation. Doing that in a 45-gram body is the engineering problem this device was built to solve [2].
The case as reported
The details below come from the Chinese-language reports of the hospital and its surgical team; they are the hospital's account, not an independent review.
Before the implant, Junjun had been unable to leave intensive care. After it, he went home. His father was quoted after the transplant describing him as able to get out of bed, walk around and eat normally, with his condition improving day by day. In hospital photographs taken after the operation he is out of bed. The 485 days were spent at home, not in a ward — which is itself part of what the team says the device achieved [2].
Why it matters for families considering care in China
| Question a family asks | What this case does and does not tell you |
|---|---|
| Can a child be kept alive while waiting? | Yes for this child, for 485 days. One successful case shows the device can do it; it does not show the success rate [1][2]. |
| Is the wait spent in hospital? | Here, most of it was spent at home after discharge in July 2025. That depends on the child's condition, not only on the device [1]. |
| Does a transplant then work? | Reported survival after heart transplant is about 84% at one year and 72.5% at five years [3]. This boy was out of intensive care roughly eleven weeks after his transplant [1]. |
| Is the device available to foreign patients? | Not stated in the sources we read. See the limits below. |
Availability and limits
- One case, not a trial. This is a single patient described by his own surgical team. It is evidence that the device can work over a long bridge, not evidence of how often it does.
- The device is new. It was developed by Union Hospital with 19 institutions under a national key research programme, and this is described as the first ultra-long bridge using it [2]. Early experience with a device is, by definition, limited.
- Access for international patients is not published. None of the sources we read says whether the device or the programme is available to children coming from outside China. Ask the hospital directly.
- Transplant allocation is national. The donor heart in this case came through China's national organ allocation system. How that system treats non-residents is a question for the hospital and for the law in your own country, and it is the single most important thing to establish before planning anything.
- Children are not small adults. Devices, drug doses and surgical technique all change with body size; experience at one centre does not transfer automatically to another.
What to ask before booking anything
| Question | Why it matters |
|---|---|
| Would you consider a child who is not a Chinese resident, and under what rules? | Nothing published answers this; it decides whether a plan is possible at all. |
| How does the national organ allocation system treat foreign patients? | A bridge device only helps if a donor heart can follow it. |
| How many children has this team bridged, and for how long? | One report of 485 days does not tell you the typical experience. |
| Which department and which doctors would see us, and is English available? | Language support is usually confirmed for an international office, not for each department. |
| Can you give a written estimate, and what does it include? | Published figures are list prices; your case is quoted individually. |
Questions patients ask
Is a 45-gram heart pump a real heart replacement?
No. It is a pump that takes over the pumping work while the child's own heart stays in place. It is a bridge to a transplant, not a substitute for one. In this case the pump was removed when the donor heart was implanted [1].
How long can a child wait for a heart?
It depends on blood group, body size and how sick the child is. In the United States, 6.8% of the children who left the heart waiting list in 2024 died; in China, mortality while waiting has been quoted at up to 40% [2][4]. Waiting is the dangerous part, which is why bridging devices exist.
Does this mean China is ahead in paediatric heart care?
It means one centre in Wuhan reports the longest published bridge of this kind. That is a genuine engineering and surgical result, not a general ranking of paediatric cardiac care.
Could my child get this treatment?
We could not find any published statement on whether this device or programme is offered to children from outside China. Ask the hospital's international office and ask for it in writing before making travel plans.
What should I read next?
Our profile of Union Hospital, Tongji Medical College of HUST, and our guide to heart and circulation care in China.