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The
Surgery & Activation of the Implant |
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Surgery Photos |
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Preoperative
Instructions |
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Below are instructions to follow prior to
surgery:
- Once
the surgery date is scheduled, the patient will have a pre-operative
appointment for an examination by Dr. Peters in our office the day
before surgery followed by pre-admission at the surgery center,
which includes a brief tour of the surgery center, lab work,
paperwork, and further instructions for surgery arrival time the
following day.
- It
is advised that no aspirin, aspirin products, Motrin, or Ibuprofen
be taken two weeks prior to the surgery.
- Any
signs of illness or temperature that may occur prior to surgery must
be reported to our office immediately.
- If
given prescriptions, have them filled prior to surgery.
- Take
NOTHING by mouth after midnight the night before surgery unless
given specific instructions otherwise. This includes foods, liquids,
or medications.
Note:
The anesthesiologist will call you at home the night before surgery,
therefore please be sure you give
us the phone number where you can be reached the night before surgery.
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Surgery
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The
procedure is performed in a day surgery unit with most patients
going home the same day. The usual surgical experience is as
follows:
- General anesthesia is
administered in the operating room
- A small amount of hair behind
the ear is shaved.
- An incision is made in the
crease behind the ear, which makes the scar very inconspicuous
once it has healed.
- A pocket is created under the
skin to accommodate the receiver-stimulator portion of the
implant. This part of the implant has a very flat design so
that it will not produce a noticeable deformity.
- An opening is then made into the
air-filled bone called the mastoid. This mastoidectomy allows
us to access the inner ear cochlea without disturbing the ear
canal or eardrum.
- A very small opening is made
into the cochlea and the implant electrode is threaded in as
far as possible. Most cochlea can accommodate the complete
electrode unless meningitis is the cause of deafness, in which
case a partial insertion may be necessary.
- The incision is closed with
hidden absorbable stitches that do not require removal.
- A Velcro bandage is placed on
the ear and remains in place for 2 days.
- Total surgery time is
approximately 2 hours.
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After
Surgery/Recovery |
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Patients usually leave the hospital 3 to 4 hours
after surgery is completed. Listed below are some factors to
consider for the recovery process:
- Pain will be expected and may be
mild to moderate for 1 to 2 days and can be controlled with
oral pain medicines.
- Some patients experience
imbalance for a few days after surgery, however, this usually resolves
spontaneously within the first week.
- Patients are to return to the
office one (1) week after the surgery for a follow-up visit.
- After the follow-up visit, most
patients are able to return to work or school.
- During the healing process,
sports, exercise, and flying should be suspended for
approximately 4 weeks
- After the healing period,
patients can expect minimal visible evidence of the implant's
presence and there will be no activity restrictions.
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Activation of the
Device |
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The
initial activation of the device and placement of the external
equipment is performed 4 to 6 weeks after surgery. At that time,
the patient will be fitted with the external parts of the device,
which requires
"programming" of the external speech processor by the
audiologist. During this process, the patient will begin to hear
their first sounds generated by the implant.
The programming of the external
speech processor is a procedure that must
be repeated one week later and then periodically thereafter. The
reason for this is because the implant system must be programmed to suit each
individual's needs. Each patient's tolerance of sound improves
with time, therefore, the implant stimulation level can be
increased. The implant team is committed to work with the
implant recipient as long as it is necessary to ensure optimal
benefit from the device.
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Reliability and
the Future |
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Cochlear
implants are extremely reliable. In fact, less than 1% of implants
have required replacement due to a malfunction. Therefore,
patients can be assured they should not expect they would need to
have their implant replaced. If it becomes necessary for the
implant to be replaced, it can be done without any impact on the
hearing performance. This is encouraging since it means patients
can have their implants upgraded to newer technology in the future
if it will prompt an improvement in the hearing performance.
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