Kidney Transplant: Eligibility, Surgery, and Long-Term Management
When your kidneys fail, life changes overnight. Dialysis keeps you alive, but itâs exhausting, time-consuming, and doesnât restore your quality of life like a transplant can. A kidney transplant isnât just another surgery-itâs a second chance. But not everyone qualifies, and even if you do, the journey doesnât end when you wake up from anesthesia. This is what you need to know about who can get a transplant, what happens during surgery, and how to stay healthy for years after.
Who Can Get a Kidney Transplant?
You donât automatically qualify just because you have kidney failure. Transplant centers donât just look at your GFR-they look at your whole body. To even be considered, most centers require a glomerular filtration rate (GFR) of 20 mL/min or lower. Some, like Mayo Clinic, will consider patients with a GFR up to 25 mL/min if their kidneys are crashing fast-losing 10 mL/min or more each year-or if they have a living donor ready. If youâre still on dialysis, youâre likely eligible. If youâre not on dialysis yet but your kidneys are failing, you might still be a candidate.
Age isnât a hard barrier. Vanderbilt doesnât set a cutoff, but they do watch older patients closely. At 75 or older, your chances drop-not because of age alone, but because of other health problems that come with it. UCLA doesnât rule anyone out by age. They check your heart, lungs, strength, and mental clarity instead. If youâre 80 but active, alert, and have good support, you could still get a transplant.
Obesity is a big hurdle. A BMI over 45 will disqualify you at most centers. At Vanderbilt, a BMI of 35 or higher is a warning sign. Why? Fat increases surgical risk. A 2022 study in the American Journal of Transplantation found obese patients have a 35% higher chance of complications and a 20% higher risk of graft failure. If youâre overweight, youâll need to lose weight before surgery-not just for the operation, but to give your new kidney the best shot.
Heart and lung health matter just as much as kidney function. If your right ventricle pressure is above 50 mm Hg (Mayo Clinic) or your pulmonary artery pressure hits 70 mm Hg (Vanderbilt), youâre out. Oxygen dependence? Thatâs a hard no. You need to breathe on your own. Your heart needs to pump well too. Most centers want an ejection fraction above 35-40%. If youâve had a heart attack or severe blockages, youâll need treatment first.
What Stops You From Getting a Transplant?
Some things are absolute deal-breakers. If you have active cancer, you canât get a transplant. Not even if itâs "in remission." You need to wait-usually two to five years, depending on the cancer type. Melanoma? Five years. Colon cancer? Three. The fear isnât just recurrence-itâs that immunosuppressants will let cancer grow unchecked.
Active infections? No. Untreated HIV with a CD4 count under 200 or a detectable viral load? No. Hepatitis B with active virus? Also no. You must be infection-free before surgery. Even a simple skin infection can delay things.
Substance abuse is a hard stop. If youâre using alcohol, opioids, or street drugs regularly, transplant centers wonât touch you. They need you to take pills every single day, for life. If you canât do that now, you canât be trusted to do it after. Some centers will let you back in after six months of clean testing and counseling-but only if you prove youâre serious.
Mental health matters too. Severe untreated depression, psychosis, or dementia? Those are red flags. You need to understand whatâs happening, remember your meds, show up for appointments, and tell your team when somethingâs wrong. If you canât do that, the transplant wonât work.
And you need someone to help you. Nebraska Medicine requires a care partner. Someone who drives you to appointments, watches your meds, calls the clinic if youâre sick, and sits with you during tough days. No one should go through this alone.
What Happens During the Surgery?
The surgery itself takes three to four hours. Youâre under general anesthesia. The surgeon makes a cut in your lower belly, not your back. The new kidney goes in on one side-usually the right or left lower abdomen. Your own kidneys? They stay. Unless theyâre causing infections, high blood pressure, or pain, thereâs no reason to remove them.
The donor kidneyâs artery and vein are connected to your pelvic blood vessels. The ureter-the tube that carries urine-is stitched to your bladder. Then, blood flow starts. In many cases, the new kidney starts making urine right away. Thatâs a good sign. But about 20% of kidneys from deceased donors donât work immediately. Thatâs called delayed graft function. You might need dialysis for a few days or weeks until it kicks in. Itâs not failure-itâs just slow to wake up.
Living donor transplants tend to work better. Why? The kidney is removed from a healthy person, cooled for only minutes, and implanted right away. Deceased donor kidneys can sit in cold storage for 24 hours or more. The longer itâs cold, the more stress it takes. Thatâs why living donor transplants have a 97% one-year survival rate, compared to 93% for deceased donors.
What Happens After Surgery?
Youâre not out of the woods. The first month is intense. Youâll be in the hospital for three to seven days. Then youâll come in weekly for blood tests. Your team checks your creatinine, electrolytes, and drug levels. Theyâre watching for rejection, infection, and side effects.
Youâll take three or more immunosuppressants every day, for life. Most people get a combo: tacrolimus (or cyclosporine) to block immune cells, mycophenolate (or azathioprine) to stop cell growth, and prednisone to calm inflammation. Some get extra drugs at first-antibodies like basiliximab-to prevent early rejection. These drugs save the kidney⌠but they also weaken your bodyâs defenses.
Youâll get infections more easily. A cold could turn into pneumonia. A cut could get infected. Youâll need to avoid crowds, raw meat, undercooked eggs, and gardening without gloves. Youâll need vaccines-but not live ones. Flu shots? Yes. Shingles vaccine? Only if youâre stable. Always check with your transplant team.
Side effects are real. Tacrolimus can hurt your kidneys, raise blood pressure, and cause tremors. Mycophenolate causes nausea and diarrhea. Prednisone leads to weight gain, mood swings, and bone loss. Youâll need calcium, vitamin D, and maybe a bone density scan. Youâll also need blood pressure meds, cholesterol drugs, and diabetes checks. Your new kidney canât handle the same damage your old one did.
How Long Does a Transplanted Kidney Last?
Most transplants last a long time. One-year survival? 95% for living donor kidneys, 92% for deceased. Five-year survival? 85% for living, 78% for deceased. Thatâs better than dialysis. The 5-year survival rate for dialysis patients is only about 50%.
But transplants arenât permanent. The biggest threat is chronic rejection-slow damage from immune attacks over time. Itâs hard to detect until the kidneyâs already weakened. Thatâs why you need annual checkups forever. Blood tests, ultrasounds, and sometimes biopsies. The Kidney Donor Profile Index (KDPI) helps match kidneys better. A high-KDPI kidney (from an older donor or someone with high blood pressure) still beats dialysis. A 2022 study showed these kidneys improve life expectancy by years, even if they donât last as long.
Living donor kidneys last longer because theyâre healthier going in. The National Kidney Registry reports 97% one-year survival for living donor transplants. Thatâs why many patients choose to wait for a living donor-even if it takes years.
Whatâs Next for Kidney Transplants?
Research is moving fast. Scientists are testing ways to train the immune system to accept the new kidney without lifelong drugs. Clinical trials at Stanford and the University of Minnesota are testing tolerance protocols. Some patients have already gone off all immunosuppressants-with no rejection. Itâs early, but itâs real.
Organ preservation is improving too. New machines that keep kidneys alive and beating outside the body are being tested. That could mean fewer damaged kidneys and better outcomes.
And more people are getting transplants. In 2023, over 27,000 kidney transplants were done in the U.S. But there are still over 100,000 people waiting. The gap is huge. Thatâs why living donation matters more than ever. A healthy person can give one kidney and live normally. If youâre thinking about it, talk to your doctor. You might be the reason someone lives longer.
Can you get a kidney transplant without being on dialysis?
Yes. Many patients are transplanted before they start dialysis, especially if they have a living donor. Centers like Mayo Clinic consider patients with a GFR as high as 25 mL/min if their kidney function is dropping fast. Being on dialysis isnât a requirement-itâs just a common point where people get evaluated.
How long is the wait for a kidney transplant?
The wait varies widely. On average, itâs three to five years in the U.S., but it can be longer depending on blood type, tissue match, and region. People with rare blood types or high antibody levels wait much longer. Having a living donor can cut the wait to zero.
Can you have a second kidney transplant?
Yes. If your first transplant fails, you can be listed again. Many people get a second transplant, especially if theyâre still young and healthy. The process is similar, but youâll need to prove you can handle another surgery and lifelong meds.
What are the biggest risks after a kidney transplant?
The top risks are rejection, infection, and side effects from immunosuppressants. Rejection can happen anytime, even years later. Infections are common because the drugs weaken your immune system. Long-term, youâre at higher risk for skin cancer, diabetes, and high blood pressure. Regular checkups are non-negotiable.
Do you need to take medicine forever after a transplant?
Yes-for now. Youâll need immunosuppressants for life to prevent rejection. But research is underway to eliminate this. Early trials at Stanford and the University of Minnesota have successfully weaned some patients off all drugs without rejection. This could become standard within the next decade.
Rob Turner
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