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Lithotripsy for Kidney Stones
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What is a lithotripsy for kidney stones? Lithotripsy for kidney stones is a nonsurgical procedure that uses sound waves from a lithotripsy machine to break up stones in the kidney. The stone pieces are then flushed out in the urine. When is it used? This procedure may be done when stones in the kidney are painful, are causing kidney damage, or are blocking the flow of urine to the bladder. The stones may destroy kidney function if they are not treated. The stones can also cause infection. In rare cases they can cause heavy bleeding and shock. Most kidney stones pass out of the body without treatment. Not all stones that do not pass on their own can be treated with lithotripsy. The treatment depends on how big the stones are, where they are, and what they are made of. An alternative to this procedure is to have the kidney stones removed surgically. Or you could choose not to have treatment, recognizing the risks of your problem. You should ask your health care provider about these choices. You should not have lithotripsy if you are pregnant or have serious problems with your heartbeat. If you take blood thinners, be sure to tell your provider about this. Lithotripsy should not be done if your blood is thinned. How do I prepare for lithotripsy? Plan for your care and recovery after the procedure. Allow for time to rest and try to find people to help you with your day-to-day duties. You should arrange for someone to drive you home after the procedure. Follow your health care provider's instructions about not smoking before and after the procedure. Smokers heal more slowly after surgery. They are also more likely to have breathing problems during surgery. For this reason, if you are a smoker, you should quit at least 2 weeks before the procedure. It is best to quit 6 to 8 weeks before surgery. Also, your wounds will heal much better if you do not smoke after the surgery. If you need a minor pain reliever in the week before surgery, choose acetaminophen rather than aspirin, ibuprofen, or naproxen. This helps avoid extra bleeding during surgery. If you are taking daily aspirin for a medical condition, ask your provider if you need to stop taking it before your surgery. If you are taking a blood thinner, such as warfarin (Coumadin), your provider will tell you when you need to stop taking it before the procedure. Follow any other instructions your health care provider may give you. Eat a light meal, such as soup or salad, the night before the procedure. Do not eat or drink anything after midnight and the morning before the procedure. Do not even drink coffee, tea, or water. What happens during the procedure? You will be given a sedative or general anesthetic. A sedative, or light anesthetic, helps you relax and may put you to sleep. A general anesthetic will relax your muscles and put you in a deep sleep. Your provider may think that a light anesthetic is adequate. You may recover more quickly from a light anesthetic. The doctor may put tubes into your ureter (the tube connecting the kidney to the bladder). You lie on a table over the lithotripsy machine. The lithotripsy machine sends sound waves against the kidney stones, breaking them. The doctor uses x-rays to find the kidney stones, keep the sound waves focused on them, and track their breakdown. The stones can then pass down your ureter, into the bladder, and out of your body after a few days. What happens after the procedure? You may be in the recovery room for a few hours to recover from the anesthetic before going home. Pain you may have felt with the kidney stones before this treatment may continue as the pieces of stone pass out of the ureter into the bladder. You may be given medicine for this pain after the procedure. Drink a lot of fluids to help keep stones from reforming and to flush out the remaining pieces of stone. Follow your provider's instructions for straining your urine to collect all stone fragments. If you had tubes placed in your ureter the doctor may take them out in 3 to 10 days. During that time you may need to go to the bathroom more often than usual. It is very common, especially if tubes were used, to have blood in your urine. This may last for several days after the procedure. You may be given medicine to prevent stones from reforming. Ask your health care provider how you should care for yourself at home and when you should come back for a checkup. What are the benefits of this procedure? You may be rid of the kidney stones and the problems they might cause without surgery. What are the risks associated with this procedure?
You should ask your health care provider how these risks apply to you. When should I call my health care provider? Call your provider right away if:
Call your provider during office hours if:
 Disclaimer: This content is reviewed periodically and is subject to
change as new health information becomes available. The
information provided is intended to be informative and educational and is not a
replacement for professional medical evaluation, advice, diagnosis or
treatment by a healthcare professional.
HIA File URI5359F.HTM Release 9.0/2006. Copyright © 2006 McKesson Corporation and/or one of its subdiaries. All Rights Reserved.
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