Plus: An Israeli strike on an Iranian embassy, and more
April 2, 2024 [View in browser]( Good morning! Senior correspondent Dylan Matthews is here to talk about some medical news that could affect over 100,000 Americans every year. âCaroline Houck, senior editor of news [Melissa Mattola-Kiatos, RN, removes the pig kidney from its box to prepare for transplantation as part of Mass Generalâs historic pig kidney transplant surgery on March 16, 2024.] Massachusetts General Hospital Of pigs and kidneys No one tells you, when you donate your kidney, that from that point on youâre a Kidney Guy. When kidney things happen in the news, everyone you know will text you. When a friend of a friend is diagnosed with kidney failure, as about [136,000 Americans were]( in 2021, you'll hear about it. When acquaintances are thinking about donating, you'll get a call. Itâs been nearly eight years [since I donated mine]( in 2016, and my Kidney Guy status has not faded. The flurry of kidney texts started anew at the end of March when researchers at Massachusetts General Hospital in Boston announced that they had [transplanted a kidney]( from a genetically engineered pig into a living human for the first time. They werenât the first to try something like this. In 2021, researchers at NYU conducted the first pig kidney (or âpigneyâ) donation to a [brain-dead patient](, finding that the transplant took and the kidney was producing urine, the way kidneys should. They also used a genetically engineered pig to reduce the odds that the human immune system would reject the organ. In 2023, the NYU team repeated the experiment and found that a pigney [could last for over two months](. But the Mass General researchers went a step further when they transplanted a pigney into Rick Slayman, a 62-year-old Weymouth, Massachusetts, man who was very much alive. He luckily remains alive as of this writing and is producing urine through the piece of pork that some doctors put in him. This is unquestionably good news for Slayman, and while routine pig kidney transplants are still a few years off, itâs obviously good for people with kidney failure to have more options. We shouldnât let the news distract us, however, from an uncomfortable fact: Humans could, if we wanted to, end the kidney shortage right now without any assistance from our porcine friends. Why pigneys are a game changer The Mass General announcement is big news for one simple reason: Not enough humans are donating their kidneys. While some 135,972 Americans were diagnosed in 2021 with end-stage renal disease, a condition that you need either dialysis or a transplant to survive, [only 25,549 transplants]( took place that year. The remaining 110,000 people needed to rely on dialysis. Dialysis is a miraculous technology, but compared to transplants, it's awful. Over 60 percent of patients who started traditional dialysis in 2017 [were dead by 2022](. Of patients diagnosed with kidney failure in 2017 who subsequently got a transplant from a living donor, only 13 percent were dead five years later. Life on dialysis is also dreadful to experience. It usually requires thrice-weekly four-hour sessions sitting by a machine, having your blood processed. You canât travel for any real length of time, since you have to be close to the machine. More critically, even part-time work is difficult because dialysis is [physically extremely draining](. Pigneys are exciting because they represent the possibility of a world where dialysis is a relic, like iron lungs for polio. [A patient wearing a mask and hair covering lies in a hospital bed while hooked up to a dialysis machine.] Irfan Khan/Los Angeles Times via Getty Images Thereâs still a ways to go before this future is realized. Technically, pigneys arenât even in the clinical trial stage â to date, [experiments have been allowed]( under âcompassionate useâ rules, and those participating have either been already dead or without any other option for survival. Researchers will need years to conduct formal trials and evaluate the approach for safety and complications. But these early indications are promising, and logistically, it would be feasible. We can easily have farms breed 68,000 pigs a year, each giving its kidneys to two deserving human recipients as soon as theyâre diagnosed with kidney failure. The US has [75 million pigs alive now]( for meat production; a few dozen thousand more for transplantation is a drop in the bucket. We shouldnât need pigneys But thereâs something sad to me about the pigney moment, too. Partly this is because Iâm an animal lover who thinks thereâs something wrong with killing pigs, which are intelligent animals [capable of tasks like playing video games](, for meat. And while I argue [thereâs obviously less wrong]( with killing them to harvest lifesaving organs, it seems like a necessary evil at best. Maybe weâll take one kidney each from the pigs and then send them off to live on a beautiful farm, but I have my doubts. The bigger issue is that we should not have to rely on pigs at all. There are more than enough human beings walking around with spare kidneys who could donate them to strangers in need. They simply choose not to. Getting 136,000 human kidneys for transplant every year in the US is very possible. We can make up part of the gap by collecting more organs from deceased patients. Organ procurement organizations, which distribute organs from dead people, have been very conservative [about which organs theyâll use](; agencies are now [investigating them for fraud](. There are likely [thousands more organs]( we could be recovering every year by reforming these groups â but not enough to wipe out the kidney backlog. We canât rely on dead people, or pigs, to close the kidney gap in the near term. We need living people. We could do more to encourage donations. Going through a nephrectomy is real work, and it deserves compensation. Many kidney donors have rallied behind a proposal to give a [$10,000-a-year tax credit]( for every donor for five years, to make up for lost wages and other costs incurred due to donating. This would go a long way toward filling the shortage. But that kind of policy change will take time as well. In the meantime, we could eliminate the backlog, this year, if a tiny share of adult Americans agreed to donate their kidney to someone who needs one. Not everyone is eligible, but far more than most people think are. Maybe a friend of yours could. Maybe a family member. Maybe you. â[Dylan Matthews, senior correspondent]( [Listen]( Making taxes less taxing The IRS finally has a brand-new, totally free tax-filing software for you. But not everyoneâs excited about it. [Listen now]( AMERICA - Yes, you can text too much. Just ask Trumpâs campaign: âSmall-dollar donations to Trump and the GOP are way down since 2019 and 2020. But the former presidentâs team says they see a turnaround.â [[Washington Post](]
- Keep an eye out: Severe thunderstorms are threatening the Great Plains (yesterday) and Midwest (today). Weâre talking about the potential for tornados, flooding, snow, and more. [[CNN](]
- When an armadillo infestation is the least of your home ownership worries: You must be in Florida. [[NBC](] [An adult an young armadillo in the dirt.] Mohamad Salaheldin Abdelg Alsayed/Anadolu via Getty Images ALSO IN THE NEWS - Should you kill one species to save another? Thatâs the question at the core of a controversial proposal from the US Fish and Wildlife Service. [[NPR](]
- Israel strikes the Iranian embassy in Damascus â and kills a top Iranian general: âThe incident is likely to escalate the shadow war between Iran and Israel that has been intensifying in recent years.â [[Axios](] Ad
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