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INTERSTIM® THERAPY
for Urinary Control
What are Bladder Control Problems?
• Broad range of symptoms
– May leak small or large amount of urine
– May leak frequently
– May be unable to completely empty the bladder,
or may be unable to urinate at all
• Multiple causes
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Injury
Side effects from certain medications
Diseases
Infection
Bearing children
Urinary Control System
How the Urinary System Works
Kidney
Ureter
Bladder
Bladder
neck
Urinary
sphincter
Urethra
How Common are Bladder Control
Problems?
• Over 33 million people suffer from
bladder control problems in the United
States alone!
• Can affect both women and men
• It can affect people of any age – it is not
just a normal part of aging
Types of Bladder Control Problems
• Urinary Retention
• Overactive Bladder
– Urge Incontinence
– Urgency-Frequency
• Stress Incontinence
Urinary Retention
Occurs when you cannot fully empty your
bladder.
Symptoms:
– Need a catheter to pass urine
– Produce only a weak, dribbling stream of
urine
– Not have a sensation when your bladder is
full
– Store increasingly large volumes of urine
Urge Incontinence
A form of overactive bladder.
Symptoms:
– Lose urine as soon as you need to go to
the bathroom
– Leak urine when you drink even a small
amount of liquid or when you hear or touch
running water
– Have frequent leaking episodes
Urgency-Frequency
Also a form of overactive bladder.
Symptoms:
– Have frequent, uncontrollable urges to
urinate
– Go to the bathroom more than seven times
a day
– Feel that your bladder is never completely
empty
Stress Incontinence*
Involuntary loss of urine resulting from
contraction of the abdominal muscles.
Symptoms:
– Leak urine when you sneeze, cough or
laugh
– Experience leakage when exercising,
bending or lifting
– Leak urine when climbing stairs or getting
up from a chair
– Go to the bathroom often to avoid
accidents
* InterStim Therapy does not treat stress incontinence
Wide Range of Treatment Options
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Diet modification
Pelvic Floor Exercises
Biofeedback
Medications
Catheterization
InterStim Therapy
Surgery
Medications don’t work for everyone.
• Voiding requires a
coordinated activity
between the nerves and the
muscles that control voiding
• While medications are
thought to address the
muscles, InterStim Therapy
is thought to address the
nerves.
• If medications were not the
answer for you, InterStim
Therapy may provide relief.
InterStim Therapy for Urinary Control
• FDA-approved
treatment for urinary
control problems in
people who have not
had success with- or
could not toleratemore conventional
treatments.
• Over 21,000 patients
implanted
worldwide
How Does InterStim Therapy Work?
• A small stimulation
system is implanted
under the skin, usually
in your upper buttock
• The device provides
electrical stimulation of
the sacral nerves to
help restore more
normal voiding function
• This therapy is
reversible at any time
(double-click on picture to play animation)
Who Can Benefit from
InterStim Therapy?
• People with non-obstructive urinary retention
• People with symptoms of overactive bladder,
including urinary urge incontinence and urgencyfrequency
• People whose symptoms did not improve with more
conventional treatments, such as medications
• People who cannot tolerate the side effects from
medications
• People who respond well to the test stimulation and
can operate the system
Test Stimulation
•
A test is done to determine
how you will respond to the
implanted device
•
Performed in the office or
surgery center
•
A lead is placed under the
skin just above the tailbone
•
Lead is connected to an
external device worn on your
belt for a period of 3-7 days
•
The decision for implantation
of the permanent device will
be made based on your
response to the test
stimulation
Implantation of the InterStim System
• Procedure done in operating
room using general or local
anesthesia
• Stimulator is implanted and
connected to a lead that will
stimulate your sacral nerve
• Stimulator is usually placed in
upper buttock
• The entire InterStim System will
reside under your skin
• Entire procedure takes 1-1 ½
hours
InterStim Patient Programmer
• You will be given a
programmer to take
home with you to
control the
stimulator
• The programmer
can turn the system
on and off and
adjust the level of
stimulation
How effective is this therapy?
Results 12 Months After Surgery
• Urge Incontinence (38 patients)
• 45% of patients completely dry
• Further 34% had 50% or greater reduction in
symptoms
• Urgency-Frequency (33 patients)
• 31% back to normal (4-7 per day)
• Additional 33% had a 50% or more
reduction in number of urinations
• Retention (38 patients)
• 61% stopped catherization
• 16% had > 50% reduction in the amount of
urine emptied from the bladder by catheter
Medtronic clinical study data on file