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Nerve repair and hand function

Median Nerve Injury

The median nerve gives feeling to the thumb, index and middle fingers and powers the muscles that pinch and grip. When it is cut or crushed, early assessment and repair give the nerve its best chance to recover.

Median Nerve Injury, Elegance Clinic Surat
Anaesthesia
Regional block, sometimes with sedation
Hospital stay
Usually a day care admission
Back to routine
Light desk work often within two to three weeks
Cost band
Written estimate
Quick answer

A median nerve injury means the nerve running down the front of the forearm into the palm has been damaged. Feeling fades in the thumb, index and middle fingers, and pinch grip weakens. Surgery joins the cut ends or bridges the gap with a graft. Recovery is slow, because the nerve regrows down the limb over months.

Key takeaways
  • The median nerve carries sensation from the thumb, index and middle fingers and drives the muscles that let the thumb move across the palm.
  • Numbness in those three fingers with a weak pinch between thumb and index finger points towards median nerve damage rather than a tendon problem.
  • A cut nerve does not heal by rest alone, so a divided median nerve usually needs surgical repair to have any chance of recovery.
  • Nerve fibres regrow slowly down the arm over months, so feeling returns gradually from the wrist towards the fingertips rather than all at once.
  • Repair carried out early, in a younger patient, with a clean wound, tends to recover better than a late repair after a crush injury.
Median nerve: The median nerve is one of three main nerves of the arm, and it supplies feeling to the thumb, index and middle fingers along with the muscles that move the thumb across the palm.

What a median nerve injury actually is

Every nerve works a little like a bundle of fine electrical cables wrapped in a protective sheath. The median nerve travels from the shoulder, down the inner side of the arm, through the front of the forearm and into the palm through a tunnel at the wrist. Along the way it carries messages in both directions. Some fibres bring feeling back from the skin of the thumb, index and middle fingers, while others carry commands out to the small muscles at the base of the thumb.

Damage can happen in several ways. A glass cut or blade injury at the wrist may divide the nerve cleanly. Crushing from machinery, a fracture or a road traffic injury may bruise or stretch it without cutting it. Pressure that builds slowly inside the tunnel at the wrist is a different problem again, and it is treated differently.

What the injury feels like depends on where it sits. An injury at the wrist mostly affects the hand. Damage higher in the forearm or at the elbow also weakens the muscles that bend the thumb and index finger, so patients notice they cannot press the two fingertips into a rounded circle.

Situations that damage the median nerve
✦Deep cuts at the wrist or forearm from glass, blades or sheet metal
✦Crush injuries from machinery, belts or heavy rollers at work
✦Fractures and dislocations around the elbow, forearm or wrist
✦Stretch injuries when the arm is pulled forcefully in a fall or road accident
✦Injection or pressure damage during a long period of unconsciousness
✦Scar tissue pressing on the nerve after an earlier injury or operation

Signs that need prompt medical attention

Numbness in the thumb, index or middle finger straight after a cut or a fracture.
A wound at the wrist that bled heavily and was closed without the nerve being checked.
Loss of the ability to move the thumb across the palm to touch the little finger.
Constant burning or electric pain in the hand that keeps you awake at night.

Who this operation suits

Nerve repair suits people whose loss of feeling or thumb power can be traced to a clear injury, and whose wound is clean enough for the nerve to be handled safely.

May be suitable when
✦A recent clean cut where the two nerve ends can be brought together without tension
✦A gap in the nerve that can be bridged with a graft taken from a less important nerve
✦Younger patients, whose nerves generally regrow better than in later life
✦People able to attend hand therapy regularly while feeling and strength return
May not be suitable when
✦An open wound that is still infected, which must settle before the nerve is repaired
✦Heavy smoking or uncontrolled diabetes, both of which slow nerve and wound healing
✦Very old injuries where the muscles have already wasted and stiffened beyond use
✦Expecting normal sensation to return quickly, which nerve surgery cannot deliver

How the operation is carried out

01
Assessment and planning

You are examined to map exactly which areas have lost feeling and which muscles have weakened. Scans or nerve tests may be added. The likely level of injury is marked before theatre.

02
Anaesthesia and exposure

A regional block numbs the whole arm, with sedation if you prefer. The wound or scar is opened under a tourniquet so the surgeon can see the nerve clearly in a bloodless field.

03
Preparing the nerve ends

Damaged tissue is trimmed back until healthy nerve bundles are visible under the microscope. Trimming matters, because joining unhealthy ends gives the regrowing fibres nowhere useful to travel.

04
Repair or grafting

If the ends meet without pulling, they are stitched with very fine sutures under magnification. Should a gap remain, a segment of a spare sensory nerve is used to bridge it.

05
Protection and splinting

The wound is closed and the wrist rested in a splint that keeps tension off the repair. Therapy begins early with gentle guided movement rather than free use.

What recovery looks like

Day 1 to 3

The arm is elevated and kept in the splint. Pain is usually manageable with simple medication. As the block wears off the hand may feel heavy at first.

Week 1 to 2

Stitches are checked and the dressing changed. A hand therapist starts protected movement of the fingers so joints do not stiffen while the repair is still fragile.

Week 6

The splint is usually discarded and light use resumes. Feeling is often still absent, which is expected, since regrowing fibres have travelled only a short distance.

Month 6 and beyond

Tingling that moves further down the fingers is a sign of progress. Sensation and strength keep improving slowly, and the final picture can take well over a year.

What this operation can achieve

✦Restores a pathway for nerve fibres to regrow towards the skin and muscles they served
✦Protects numb fingers from repeated burns and cuts once feeling starts to return
✦Helps preserve thumb movement, which is central to pinching, writing and holding
✦Reduces the chance of a painful nerve end lump forming in the scar
✦Gives hand therapy something to work with, so strength can be rebuilt gradually

What results are realistic

Honest expectations matter here. A repaired nerve rarely returns to exactly how it felt before the injury, and protective sensation, meaning the ability to feel heat, cold and pressure, is a more realistic goal than fine touch. Younger patients with clean, early repairs tend to regain more. Muscle power often returns before delicate sensation does. Recovery can vary widely between people, and patience through many months of therapy is part of the treatment.

Risks you should know about

Nerve surgery is generally well tolerated, yet every operation carries risk, and these are discussed openly before you decide.

The repair may not take, leaving feeling or muscle power poorer than hoped
Infection or a wound that is slow to close, which delays therapy
A tender lump of nerve tissue can form in the scar and stay sensitive to touch
Stiffness of the fingers and wrist if therapy is not followed through
Numbness in a small patch where the graft nerve was taken from

Looking after your hand at home

Most of the work after a nerve repair happens outside hospital, in the weeks of careful use and therapy that follow.

✦Keep the splint on as instructed, including at night, until you are told otherwise
✦Raise the hand above heart level when resting to settle swelling
✦Treat numb skin as vulnerable, so avoid hot vessels, flames and sharp tools
✦Attend every therapy session, since guided movement protects the repair
✦Stop smoking, because tobacco narrows the small vessels feeding the healing nerve

Common beliefs worth correcting

MythA cut nerve will join back on its own if the wound is stitched
In practice

Skin healing and nerve healing are separate processes. A divided nerve needs its ends aligned surgically before fibres can find their way across.

MythIf the hand can still move, the nerve must be fine
In practice

Some movements use muscles supplied by other nerves. Loss of feeling in the thumb side of the hand can be the only early clue.

MythNothing can be done once months have passed
In practice

Late repair is harder and results are less predictable, yet options such as grafting or tendon transfer may still restore useful function.

MythRecovery should be obvious within weeks
In practice

Nerve fibres regrow slowly along the limb, so meaningful change is measured in months rather than weeks.

Why patients choose Elegance Clinic

Elegance Clinic in Surat treats hand and nerve injuries as reconstructive work, where the examination, the surgery and the therapy plan are all parts of one process.

✦Unhurried consultation, with the pattern of numbness and weakness mapped and explained
✦Magnification and fine instruments used for nerve work, as the tissue demands
✦A written estimate shared before admission, so costs are clear in advance
✦Hand therapy built into the plan from the start rather than added later
Cost & insurance

Cost and insurance

The cost of median nerve surgery depends on where the nerve is damaged, whether a graft is needed and how much theatre and therapy time the plan involves. For that reason a figure is shared only once you have been examined. You then receive a written estimate covering surgeon, anaesthesia, theatre and the expected follow up visits, so there are no surprises later. Many injury cases attract insurance or employer cover, and the clinic team helps you check what applies in your situation.

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Median Nerve Injury
Written estimate
After assessment
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Cost varies with the level of injury, whether a nerve graft is needed and how long theatre time runs. A written estimate is given after you are examined, covering surgery, anaesthesia and expected review visits, so you can plan before admission.

Nerve repair is a routine part of hand surgery and is usually well tolerated under a regional block. Risks such as infection, stiffness or an incomplete result are real and are explained beforehand, along with what is done to reduce them.

Regrowing fibres travel slowly down the limb, so change is gradual. Tingling that moves further towards the fingertips over months is the usual first sign. Useful sensation may take a year or longer, and it can vary a great deal between people.

Many patients regain protective feeling and useful grip, though touch rarely returns exactly as before. Early repair in a younger patient with a clean wound tends to do better. Therapy shapes how much of the returning function you can actually use.

A bruised or stretched nerve that is still in one piece may recover with splinting, therapy and time. A nerve that has been cut will not join by itself, so surgical repair is the only route back to a working pathway.

Sooner is better. A clean cut is ideally repaired within days, while the ends are still healthy and the gap is small. Delay allows muscle wasting and scarring, which make the repair harder and the result less predictable.

Your hand is examined area by area to map lost feeling and weak muscles, and the injury is matched to a level on the nerve. Tests may be arranged. You then receive an explanation of the options and a written estimate.

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Techniques

Techniques used in this procedure

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