POST OPERATIVE INSTRUCTIONS
CARPAL TUNNEL SURGERY
Carpal tunnel syndrome is a disorder of the hand which can result in characteristic
symptoms of waking at night with pain and tingling (usually the thumb, index and middle fingers), loss of feeling in the hand, clumsiness and difficulty with manual
Description of Carpal Tunnel Syndrome
The carpal tunnel is a narrow tunnel formed by the bones and ligaments of the wrist
through which the nerves and tendons pass from the forearm to the hand. If the
tendon linings become inflamed and swell, this can compress the main nerve of the hand (the median nerve) causing symptoms. This condition affects many people including labourers, typists, pregnant women and retired people alike. In most cases
there is no obvious cause for the problem.
Initial treatment can consist of splintage, therapy and in some cases a steroid
injection. Definitive treatment is with surgical release of the carpal tunnel as a day-
stay procedure. My preference is to perform this surgery under local anesthetic after the anaesthetist has given you some intravenous sedation. It can be done under local
anaesthetic only (injection into the operative area) or general anaesthetic (fully asleep), depending on requirements. You will need to remain nil by mouth (no food or
drink) for six hours prior to surgery if you are having sedation or a general
Your hand will be bandaged with a padded crepe following your surgery. If you wish to
take a shower, tape a plastic bag over your bandage and hold well above your head to prevent water dripping inside your dressing. These dressings can be changed by a
Hand Therapist, a nurse or your GP 4-5 days following surgery. I encourage you to wash your hand and clean the wound with antibacterial liquid soap under supervision
at your first dressing change. My preference for the second dressing is to replace the original dressing with a less bulky one using Primapore/Cutiplast/Tegaderm or similar
and a double Tubigrip. This dressing can be changed a week later and replaced with Hypafix/Mefix dressing and a double thickness Tubigrip. You will only need dressings
for the first two weeks or so until primary healing has occurred.
I use a resorbable suture which may be removed after a 7 to 10 days or can be left to
dissolve spontaneously after three or four weeks. I recommend massaging the area
with moisturising lotion or a Vitamin A / Vitamin E cream to help with scar tenderness
Cigarette smoking (even just one or two!) can affect your healing and rate of
complications. We therefore strongly recommend that you do not smoke for one
Continue to use your medication as instructed. Aspirin:
If you are taking aspirin under
your doctor’s orders (e.g. you have previously had a blood clot, stroke, heart attack,
etc) it is preferable that you continue taking your aspirin. Otherwise you should avoid
medicines containing aspirin for four days after surgery. Vitamin E:
You should avoid
medicines containing vitamin E for four weeks after surgery.
Do not drink any alcohol (beer, wine, spirits) for one week after surgery.
Food and Fluids:
You may be constipated so have light meals with plenty of fluids (preferably 6-8
glasses of water per day). Eat ample fresh fruit and vegetables. To reduce fluid
I generally encourage gentle movements of the fingers within the dressing for the first few days. Keep your hand in the sling for the first 48-72 hours to ensure elevation and
optimise oedema control. Early movement is crucial to a good recovery and I will
specify to you if you are to limit this mobilisation in any way. I may suggest an
appointment with the Hand therapists to supervise your rehabilitation.
You should be able to use your hand for eating, dressing and attending to hygiene needs straight after your operation. Please sleep with your hand elevated on a pillow
beside you for the first week (at least) following surgery.
It is generally considered unsafe to drive with dressings in place. Your ability to drive
safely will be determined by numerous factors relating your car and also your surgery. As a general rule, expect at least a week off driving.
Pain is not usually a feature following this surgery. Many people volunteer that they
sleep better the first night after carpal tunnel release than they have for a long time prior to surgery. I use a long acting (8-12 hour) local anaesthetic that can leave parts
(or the whole) of the hand numb after surgery. This usually resolves fully overnight but not uncommonly can continue, in part or completely, for several days. I suggest you do take regular pain relief as discussed with the anaesthetist. We generally use a
combination of an anti-inflammatory agent with other oral analgesia. Please advise of
any health issues you may have (particularly gastritis or stomach ulcer) which can
influence the safest and most effective analgesia prescription.
Generally speaking, carpal tunnel release is very successful surgery with a reliable
outcome if pain is your only symptom. If there has been a long standing compression
of the nerve with altered nerve function (numbness or weakness) your recovery may
not be fully guaranteed. In these instances return of function is largely determined by the degree of compression and for how long the nerve was compressed.
Your return to work will be largely determined by what you do with your hands at your
place of work and whether the operation was to your dominant hand. A return to
clerical duties can occur within days of surgery whereas it can be several weeks before returning to a manual job. Full strength and dexterity will not return until 3-6 months after surgery. If your surgery is under ACC, they may arrange a workplace assessment
for you to assess the extent of your disability and also to determine if there are any lighter duties you can undertake. Please liaise with your case manager directly
ACC Paperwork (if applicable)
This is needed to give to your employer and ACC so the appropriate wage compensation can be granted. It is preferable to have this form filled in ahead of time
based around the proposed date of surgery and ideally this is done at your pre-op
consultation. At the very least please ensure you have the ACC18 form filled
before leaving the hospital.
Your GP or primary care provider is able to complete
any ACC documentation including dates of surgery and proposed return to work
schedules. I am only a phone call away from your health provider should any further information be required.
Please have your ACC details - ACC number, date of injury and site of injury
available at any clinic appointments.
Your initial follow-up will be with the Hand Therapists, your family doctor/nurse or a White Cross clinic. The first appointment is usually 4-5 days following surgery. I usually
like to check on your progress six weeks after surgery, to ensure that all is well and
For ‘Middlemore’ patients:
Please see your GP for initial change of dressing and
contact Module 9 at MSC (Manukau Super Clinic) for follow-up anytime from 2-8 weeks following your surgery to see either me or one of my registrars.
Your Follow-Up Schedule:
Please make follow-up appointments at the following clinics as marked:
For: Change of dressing / Fitting of cast / Fitting of splint / Removal of sutures
Please call me immediately
on 529 2029 or 021 327 464 (after hours) or
contact your doctor or local emergency clinic in the event of:
• Change of colour of any of your digits
• Any sudden loss of movement in your hand
PLASTIC SURGERY AUCKLAND
Cosmetic and Reconstructive Plastic Surgery
FRACS (Plast) MBChB Dip Hand Surg (Euro)
Suite 6, 9 St Marks Road, Remuera, Auckland, New Zealand
Phone: 09-529 2029 Fax: 09-529 2025 Mobile: 021 327 464
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