My Kind of Gift
Someone who has been very active in the kidney community, and has even guest blogged, had some questions she wanted answered. Consider this blog my Christmas gift to her. Here’s hoping you all have a Merry Christmas, Happy Kwanzaa, and/or Boxing Day – whichever you observe. In our house, it’s Chanukah – which has already passed – and Christmas. We really don’t celebrate except when the children and grandchildren are here. The other times, we reminisce about the holidays when they were here. But I digress.

Have you ever heard of Norvasc? It’s one of the brand names for the generic amlodipine. Drugs.com tells us:
“Norvasc (amlodipine) belongs to a class of medications called calcium channel blockers. Amlodipine lowers blood pressure by relaxing the blood vessels so the heart does not have to pump as hard.
Norvasc is used to treat certain types of angina (chest pain) and other conditions caused by coronary artery disease (narrowing of the blood vessels that supply blood to the heart).
Norvasc controls chest pain by increasing the supply of blood to the heart. If taken regularly, amlodipine controls chest pain, but it does not stop chest pain once it starts. Your doctor may prescribe a different medication to take when you have chest pain.
Norvasc is also used alone or in combination with other medicines to treat high blood pressure (hypertension) in adults and children at least 6 years old. Lowering blood pressure may lower your risk of a stroke or heart attack.”
Notice that most of the definition deals with your heart and chest pain. That’s often the reason Norvasc is prescribed. Also note the last line of the definition which deals with high blood pressure. That’s why many kidney transplantees are taking this drug.
But there are other reasons for high blood pressure. One of them is arterial stenosis. I turned to the United Kingdom’s National Health Service for a clear explanation of how this works:

“Narrowing of the artery connected to the donated kidney, known as arterial stenosis, can sometimes happen after a kidney transplant. Sometimes, it can develop months, or even years, after the transplant.
Arterial stenosis can cause a rise in blood pressure. The artery often needs to be stretched to widen it, and a small metal tube called a stent may be placed inside the affected artery to stop it narrowing again.”
For some reason, this made me wonder if the donated organ had anything to do with rejection. I found some interesting information which deals with the donor kidney and high blood pressure on Science Daily,
“Cosio suspects that the condition of the blood vessels in a transplanted kidney affect’s [sic] the organ’s ability to regulate blood pressure.
Whenever a kidney is removed from a donor, the organ’s blood supply is momentarily lost, reducing the supply of oxygen to the blood-vessel cells and damaging them to some degree.
This is particularly true when the kidney comes from a person who has died and whose circulation is maintained artificially.
This subtle damage may then inhibit that kidney’s ability to efficiently maintain blood pressure following transplantation.
Looked at another way, high blood pressure after transplantation may sometimes reflect the degree of damage to the blood vessels of the kidney after it is removed from the donor, he said.
Cosio’s research was funded by grants from the National Institutes of Health.”
Cosio is “Fernando Cosio, professor of internal medicine at Ohio State University and leader of the study.”

Let’s backtrack a little to learn about rejection of the kidney. News Medical Life Science explains why immune suppression medications are needed.
“The immune system of the body perceives the kidney as a foreign object [Gail here: the new kidney, that is.] or tissue and mounts a reaction against it. This may lead to massive damage to the new kidney. Early signs of rejection include fever and soreness at the site of the new kidney and reduction in the amount of urine production. To prevent rejection reaction immune suppressing medications are prescribed right after the operation.”
Time for a recap to make sure we understand this process. Your native kidney fails. You place yourself on the list for a new kidney or find a compatible donor yourself. Testing begins for both you and your donor. You receive a new kidney [hopefully] either from a living donor or a deceased donor. You need to start taking anti-rejection medication, also called immunosuppressants, immediately. You may develop high blood pressure. You take medication for that, too. You may develop rejection of the donor kidney. This does not mean it will necessarily stop working, but it does mean the rejection requires medical treatment. By now, you are taking quite a few pills. If you miss even one dose, you can cause damage to the new kidney.

Now, please remember that I am not a doctor. I can research and rephrase what I find into reader friendly language, but that’s it. Your nephrologist and/or your transplant team are your best friends once you have a kidney transplant.
Let me leave you with this reminder: high blood pressure MAY lead to rejection, but that doesn’t necessarily mean that it will. There is treatment available should you start to reject that may stop that process. Our old friend, The Cleveland Clinic, elaborates:

“If your healthcare provider determines that a kidney rejection is occurring, they’ll adjust your prescription for immunosuppressant medication to prevent further complications. You may require additional medications or treatments for a short time, specifically for a rejection. Some people receive treatment for a rejection in a hospital for as long as five days. Others can receive treatment in an outpatient setting.
Since immunosuppressants, or antirejection medications, work by lowering (suppressing) your immune system to weaken how hard it can fight, treatment for a kidney rejection typically involves increasing the dosage of immunosuppressants….”
Until next week [or should I say next year?],
Keep living your life!
- Anti-rejection drugs
- arterial stenosis
- arteries
- Cadaver Kidney
- Deceased donor
- Donation
- Fever
- High Blood Pressure
- Hypertension
- Organ Donation
- Prescriptions
- Rejection
- Renovascular Disease
- Soreness
- stent
- Transplant
- Uncategorized
- Urine
on December 25, 2023 at 8:54 am
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