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Sacral Nerve Stimulation
WHAT YOU NEED TO KNOW:
What I need to know about sacral nerve stimulation?
Sacral nerve stimulation (SNS) is treatment for urinary retention without blockage, overactive bladder symptoms, and fecal incontinence. Overactive bladder symptoms include urinary urge incontinence and urinary frequency. Electrical impulses are sent directly to the sacral nerves to improve or restore bladder or bowel function. Sacral nerves are in your lower back. They control anus, rectum, and bladder functioning. SNS is done when medicine and behavior therapy do not help improve symptoms. Implantation of an SNS includes 2 stages. The first stage is a trial phase to see if SNS will improve your symptoms. The second stage involves implanting the stimulator.
How do I prepare for sacral nerve stimulation?
Your healthcare provider will talk to you about how to prepare for each stage of this procedure. He or she may tell you not to eat or drink anything after midnight on the day of your procedure. He or she will tell you what medicines to take or not take on the day of your surgery. You may be given an antibiotic through your IV to help prevent a bacterial infection.
What will happen during the first stage of SNS?
You may be given general anesthesia to keep you asleep and free from pain during the procedure. You may instead be given local anesthesia to numb the procedure area. With local anesthesia, you may still feel pressure or pushing during the procedure, but you should not feel any pain. You will be placed on your stomach. A small incision will be made in your upper buttock. A temporary or permanent lead is placed into your lower back, through to your sacral nerves. Your incision will be closed with surgical glue or tape. The lead is connected to an external stimulator. Electrical impulses will be sent to the lead to stimulate your sacral nerves. The lead may be left in place for up to 4 weeks.
What will happen after the first stage of SNS?
You will be asked to keep a record of your symptoms and bladder or bowel function. You will be able to return to your usual daily activities after the procedure. You may be asked to avoid high-impact physical activities during the time that you have an external stimulator in place.
What will happen during the second stage of SNS?
You may be given general anesthesia to keep you asleep and free from pain during the procedure. You may instead be given local anesthesia to numb the procedure area. With local anesthesia, you may still feel pressure or pushing during the procedure, but you should not feel any pain. You will be placed on your stomach. Your healthcare provider will reopen the incision that was made during the first stage. A space is made just under your skin. The stimulator is connected to a permanent lead. Then, the stimulator is placed into the space and the space is closed with stitches. You will be given a programming device to adjust and turn the stimulator off and on as needed.
What are the risks of SNS?
You may have pain, discomfort and infection in the area where the stimulator was implanted. You may have an allergic reaction to the materials that the lead or stimulator is made from. You may have pain or feel a shock during stimulation. The lead may move and you may need to have the procedure done again. You cannot have an MRI of your abdomen or pelvis if you have a stimulator implanted. An MRI can cause the leads to heat up and cause problems with your stimulator. You may set off metal detectors at airports or theft detectors in stores.
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