Percutaneous Kidney Biopsy
What you should know
A percutaneous kidney biopsy is a procedure to remove a small sample of kidney tissue. It is done to drain an abscess (pocket of pus). It may also be done to check for kidney disease or cancer.
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- You may need to have the procedure repeated to get more tissue. After your procedure, you may have pain, dizziness, or problems urinating. You may bleed more than expected. You may get an infection, have blood in your urine, or blood clots in your kidney. The procedure may increase your risk for long-term high blood pressure. You may also develop a fistula (abnormal connection between your blood vessels). You may have a pseudoaneurysm, a condition that causes the wall of your blood vessel to widen. A pseudoaneurysm may also cause bleeding if it bursts.
- Air may enter the space around your lung, causing your lung to collapse. You may need a blood transfusion or surgery to fix problems that may occur after your procedure. If the mass in your kidney is cancer, this procedure may cause the cancer to spread. Rarely, this procedure may lead to kidney loss, or death. Without this procedure, you may not learn the cause of your symptoms.
Before your procedure:
- Arrange a ride home. Ask a family member or friend to drive you home after your surgery or procedure. Do not drive yourself home.
- Bring your medicine bottles or a list of your medicines when you see your caregiver. Tell your caregiver if you are allergic to any medicine. Tell your caregiver if you use any herbs, food supplements, or over-the-counter medicine.
- Ask your caregiver if you need to stop using aspirin or any other prescribed or over-the-counter medicine before your procedure or surgery.
- Tell your caregiver if you know or think you might be pregnant.
- Tell your caregiver if you have other medical conditions, such as diabetes or high blood pressure. You also need to let your caregiver know if you only have one kidney.
- You may need blood and urine tests before your procedure. You may need an ultrasound, CT scan, or MRI. Ask your caregiver for more information about these and other tests you may need. Write down the date, time, and location of each test.
- Write down the correct date, time, and location of your procedure.
The day of your procedure:
- You or a close family member will be asked to sign a legal document called a consent form. It gives caregivers permission to do the procedure or surgery. It also explains the problems that may happen, and your choices. Make sure all your questions are answered before you sign this form.
- Caregivers may insert an intravenous tube (IV) into your vein. A vein in the arm is usually chosen. Through the IV tube, you may be given liquids and medicine.
- An anesthesiologist will talk to you before your surgery. You may need medicine to keep you asleep or numb an area of your body during surgery. Tell caregivers if you or anyone in your family has had a problem with anesthesia in the past.
What will happen:
- A numbing medicine called anesthesia will be given to keep you free from pain during your procedure. A CT scan or an ultrasound may be used to help your caregiver see your kidney better. Your caregiver may mark your skin over the lower part of your kidney with a pen. An incision may be made through the marked area. A long needle will be inserted through your skin, or incision, and into your kidney.
- You will be asked to hold your breath as your caregiver inserts the needle into your kidney. The needle has a sharp edge that will remove a small piece of your kidney. Your caregiver may need to insert the needle more than once to get enough tissue.
After your procedure:
You will be taken to a room to rest after your procedure. Do not get out of bed until your caregiver says it is okay. You may need to lie flat on your back for a period of time after your procedure. Your caregiver will monitor your heartbeat, breathing rate, blood pressure, and temperature. You may need blood tests and imaging tests after your procedure to check for bleeding. Ask your caregiver if he needs to measure or collect your urine before you dispose of it. Your caregiver may need to look for blood in your urine.
Contact a caregiver if
- You cannot make it to your procedure on time.
- You have a cold or the flu.
- You have blood in your urine.
Seek Care Immediately if
- You urinate only small amounts or not at all.
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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.