WATCH: Success as penis transplant patient makes full recovery

Los Angeles – Short of death, it is perhaps the combat injury most feared by servicemen who have deployed to Iraq and Afghanistan: a blast that robs him of his genitals.

For one such wounded warrior, a real shot at renewed sexual health and happiness has come with a transplanted penis, scrotum and lower abdominal wall.

The transplant, which also included many of the nerves, muscles and blood vessels that serve those organs, is described in Thursday’s edition of the New England Journal of Medicine.

The recipient is a young serviceman who lost his penis, scrotum, both testes and most of both legs when he stepped on a roadside bomb in Afghanistan.

Now, roughly 19 months after his penis transplant, the veteran can urinate while standing up on his prosthetic legs and enjoys what his doctors at the Johns Hopkins School of Medicine described as a "strong stream".

He also has normal sensation on both the shaft and the tip of his new penis, near-normal erections and can achieve orgasm.

For the rest of his life, the man will almost certainly take anti-rejection medication, making him more vulnerable to infections, kidney problems and certain cancers.

And he cannot father biological children: Ethical considerations forbade the transfer of testes, which would have generated semen bearing the DNA of his deceased donor.

Still, for a young man whose injuries were too extensive for conventional reconstructive surgery, having an external appendage that feels and works like the one he had "is a big deal," said Dr Richard Redett, the transplant surgeon who led a team of roughly 35 medical professionals in a 14-hour operation.

In the report, Redett and his team wrote that the unnamed serviceman reports "feeling whole" again. He continues to live independently and has returned to school full time.

He is "very satisfied with the transplant and the implications it carries for his future," the medical team concluded.

The case is the fourth-ever successful transplant of a penis from a donor to a patient who has lost his to disease or injury.

But it is by far the most extensive transplant of genitalia to date.

It was performed in Baltimore in March 2018 by a team that has pushed the boundaries of transplants of soft tissue such as hands and faces.

"This is a real quantum leap," said Dr Curtis Cetrulo, a transplant surgeon at Massachusetts General Hospital who led the group that performed the first penis transplant in the United States in 2016.

To restore this veteran’s external genitals, Cetrulo said the Hopkins team built on knowledge gained not only from the first three penis transplants, but from roughly 100 hand transplants and 140 face transplants.

Each of these procedures has yielded important insights about connecting blood vessels narrower than the diameter of a human eyelash, about how long it takes for nerves to regenerate, and about what it takes to ward off rejection of soft tissues, Cetrulo said.

Redett said his team spent close to five years laying the groundwork for the operation.

On human cadavers and in rats, they practiced the delicate work of fusing nerves, arteries and tissue that would normally shrink from the cold steel surgical instruments are made of.

They investigated which parts of this anatomical complex were most prone to rejection by the immune system (the urethra, it turns out) and how that could be detected quickly and prevented.

"We learned a lot" from Cetrulo’s work and from two penis transplants performed by a team in South Africa, Redett said.

The veteran had arrived seeking a conventional penile reconstruction.

In those cases, surgeons fashion a "neophallus" from fat and skin taken from the forearm or thigh. After incorporating a pump to facilitate erection, reconstructive surgeons attach the penis to an existing urethra, blood vessels and nerves.

But Redett said the extent of this patient’s injuries made that approach impossible.

Instead, he and his colleagues realized they had a physically and psychologically robust candidate for an experimental procedure that would demand meticulous compliance with a lifelong medication regimen.

The plan was put into action on a Saturday in late March of last year as another young man who shared the veteran’s blood type and skin tone lay in a hospital room in a twilight between life and death.

An organ procurement team approached the young man’s bereaved family members about donating their loved one’s genitals.

"It is harder to ask a family for a face or a penis," Redett acknowledged.

But often, he said, a shared connection between donor and recipient – say, professions or hobbies or military service – will prompt a family to say yes. (The relatives of the donor wished to remain anonymous and did not discuss their decision.)

Early Monday morning, Redett’s team – including microvascular surgeons, urologists, transplantation specialists, anesthesiologists and an army of skilled helpers – went to work fusing the complex of external organs to their young patient.

The decades-long conflicts in Iraq and Afghanistan have produced a generation of servicemen whose reproductive organs have been compromised by improvised explosive devices.

A 2017 study conducted for the Pentagon found that between October 2001 and August 2013, 1,367 servicemen experienced genito-urinary wounds, more than a third of them considered "severe."

Some 423 involved the penis, 451 damaged the testes, and 760 – more than half – involved the scrotum.


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