musculoskeletal medicine elbow, wrist and hand briant w. smith, md orthopedic surgery, santa rosa
TRANSCRIPT
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MUSCULOSKELETAL MEDICINE
ELBOW, WRIST AND HAND
Briant W. Smith, MD
Orthopedic Surgery, Santa Rosa
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The Elbow
If there was an injury or the patient has failed to improve with initial treatment, order a radiograph:
AP/Lateral/Oblique
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ElbowMinor trauma
Examples: nondisplaced radial head/neck fractures; chips off of epicondyle or coronoid process; fat pad sign (posterior).
Sling for 2 weeks, then PT to regain ROM
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Minor Elbow Trauma
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Elbow Pain
Get usual history: how did it start, how long, what makes it worse, what has been tried for treatment so far...
Ask patient to point to where it hurts.
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Lateral Elbow Pain
Lateral Epicondylitis hurts to lift things, pick things up not an ‘itis’; ECRB is micro-tearing; ECRL
duplicates function wrist splint, ice massage, limit lifting, use
hand supinated, PT (frictional massage), forearm strap.
Inject up to 3 times. Point of maximum tenderness
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Lateral Epicondylitis
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Lateral Epicondylitis
Surgery is 50-80% successful. No harm comes from not operating and waiting. It usually goes away.
When is it NOT tennis elbow? Tenderness isn’t near epicondyle; pain is more anterior and distal; injection doesn’t help.
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Lateral Epicondylitis Injection
Point of maximal tenderness. Perpendicular to skin Needle must enter muscle, avoid SQ 1-2cc lidocaine or marcaine with ½ cc
steroid; 5/8” 25g needle.
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Lateral Epicondylitis Injection
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Medial Elbow Pain
Pain at medial epicondyle or just anterior to it is Medial Epicondylitis (golfer’s elbow) treat same as tennis elbow but be careful
not to inject posterior to epicondyle
Pain is in between epicondyle and olecranon: ulnar neuritis.
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Medial Elbow Pain
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Ulnar neuritis
Can present with numbness/tingling in 5th finger only. Often elbow is painful.
DX with flexion test or positive Tinel Do not inject. TX: towel night splint, avoid pressure Refer if no better after 6wks. Hand
atrophy is a late sign.
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Elbow Lumps
Soft tissue: tophus, rheumatoid nodule Fluid: aseptic bursitis (takes 3 mos to
resolve; can splint and give NSAIDs, use pads)
Can tap once to prove it is fluid. Hi-risk of infection. Bursitis that is red must be aspirated. Parenteral ABx for cellulitis.
Red and angry does not mean joint infxn, usually just cellulits
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Elbow Lumps
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Anterior Elbow Pain
Usually after lifting something heavy. Concern is Rupture of Distal Biceps
Tendon DX: high riding biceps muscle; thick
tendon not palpable in antecubital fossa, best test is resting position of lower muscle and watching muscle move up/down with supination and pronation
Refer
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Anterior Elbow Pain
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Diffuse Elbow Pain
Aches ‘all over’ Range of motion is restricted. XR to make diagnosis of arthritis. If positive, treat with limitation of
repetitive flex/ext, lifting >10 lbs. Treat with NSAIDs Surgery for ‘locking’, failed med therapy.
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Elbow Arthritis
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Wrist Pain
Always order an xray if there was an injury
A lot of the DX overlap in symptoms. Best to run through quick exams for all of them to make sure you get the right one.
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Wrist pain
Aches in the wrist. Clumsy holding things. Fingers feel funny at times. Wakes up from sleeping, has to shake hand.
Exam: Phalens, carpal compression tests. Look for atrophy, dry skin.
Pinky finger is always spared.
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Carpal Tunnel Syndrome
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Carpal Tunnel Syndrome
Constant tingling/numbness is bad sign, refer immediately. Atrophy of the abd poll brevis is a very late sign of nerve damage.
Treat: night splints, activity modif., NSAIDs, r/o neuropathy/thyroid. Injection can be therapeutic (early), diagnostic, and prognostic.
If TX fails, refer for NCV electrodiag.
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CTS: who needs a NCV
NO: Good Hx, consistent PEx
YES: H/o neuropathy or radiculopathy Odd history or physical findings (‘every
finger is numb’) Occupational Injury
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Wrist pain
Aches with gripping, +/- overuse history, no numbness. Frequently seen in new mothers.
Pain over radial styloid Positive Finklestein’s test (thumb in
palm)
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DeQuervains Tenosynovitis
1st dorsal compartment synovitis. Crowds the tendons as they pass through tendon sheath at wrist.
Initial treatment: thumb spica splint, ice massage, NSAID for 3-6 weeks.
Injections work very well. 1st injection cures 80%, 2nd injection, another 10%
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DeQuervain’s Tenosynovitis
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DeQuervains Injection
Active thumb extension to see 1st dorsal comp tendons in snuffbox. Visualize where tendons ‘disappear’ on radius (styloid)
45 degree angle proximal, go to bone and back up slightly.
1-2cc lidocaine or marcaine with ½ cc steroid and 25g 5/8 inch needle.
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DeQuervains Injection
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Wrist aching at base of thumb
Trouble doing ADLs, gripping. May feel popping or catching.
Bump palpable/visible where thumb meets wrist.
Positive grind and Watson tests.
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Basal joint arthritis of thumb
Women 10x: Men Many with severe XR changes have
few symptoms and vice versa. Treat like any arthritis. Rigid splints are
usually poorly tolerated since the thumb is useless in the splint. Use soft neoprene wraps or braces. Injections work well.
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Basal joint thumb arthritis
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Wrist pain
Vague aching with use, especially with wrist extended.
All tests normal, xrays normal. Best test is palpating wrist dorsum in
full flexion.
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Ganglion cysts
Most common location is wrist dorsum, 2nd most common is dorsoradial wrist.
DX easy when cyst is big but small cysts sometimes are just as symptomatic. Size follows activity.
Aspiration has 30% cure rate, proves it isn’t cancer to the patient.
Surgery leaves scar, has 10% recurrence.
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Thumb pain
Injured thumb playing sports. XRs normal.
Hurts at ulnar side of thumb at the edge of the webspace.
Stress testing at 20-30 degrees.
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Thumb pain
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Ulnar collateral ligament tear
Skiers or gamekeepers thumb If thumb stable=sprain; if loose=tear. Sprains get a splint/cast for 4wks. Tears should be referred immediately.
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Finger pain
Vague aching into PIP joint area. Hurts to grip. Occasionally catches. H/O CTR.
Tenderness is over A1 pulley (distal palmar crease to proximal finger crease). Can often feel nodule with active finger flexion/ext.
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Trigger Finger
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Trigger Finger
Initial treatment: restrict finger flexion (bandaid over the DIP and PIP knuckles), NSAID, ice massage over A1 pulley.
Inject early, always if there is catching. Refer if patient fails 2-3 injections.
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Trigger Finger Injection
Mark out distal palmar crease and proximal finger crease. Palpate ‘hills’ and ‘valleys’
Inject hill of involved finger in between creases. Perpendicular angle, place needle into tendon and ‘relax’ finger. Withdraw slowly with pressure on hub to fill sheath.
1cc lidocaine, ½ cc steroid, 25 or 27g 5/8 needle
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Trigger Finger Injection
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Aching in palm
Hurts to grip. ‘Lumpy’ stuff felt in palmar skin.
Doesn’t move with finger flexion/extension.
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Dupuytren’s contracture
Fascia becomes thickened. Initially forms nodules, then cords, which contract and make finger bend.
Early nodular phase is tender, later contractures are without pain.
Refer when finger contracts.
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Dupuytrens contracture
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“Jammed Finger”
Usually PIP joint. Looks swollen. XR may show small chip at base of
middle phalanx Alumifoam splint or buddy tape for 10-
14 days, then must do passive ROM to get finger to move again. Will look swollen often for 3-6 months.
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Mallet Finger
Extensor tendon pulls off of base of distal phalanx.
Can occur with a chip of bone or just the tendon.
If it is a big piece of bone, it might need surgery.
Otherwise, 6-8 weeks in extension splint (full-time).
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Mallet Finger
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Laceration follow-up
Nerves run along side of finger. Each supplies 1/2 of pulp. Test with light touch or paper clip two-point (NL=<10mm).
FDP (hold single finger, flex DIP) FDS (hold other fingers straight, flex
PIP)
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Hand Anatomy
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Common hand infections
Flexor tenosynovitis Paronychia Felon Bites
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Flexor tenosynovitis
Can result from minor punctures or scratches to distal palmar crease) Diffuse swelling, tender along entire sheath,
slightly flexed position, pain with passive extension (Kanavel’s signs).
If early (not all 4 signs) treat aggressively with ABX, splint and soaks.
If all 4 signs: immediate surgical consultation.
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Paronychia
Can be localized to one nail fold or entire tip of finger can look bad.
Distinguish from felon by pulp space tenderness. Edge of nail is digging into nail fold (mechanical irritation). White membrane on nail is good.
Can start treatment with massaging nail fold away from nail with cotton swab, soaks.
May need nail edge removal. Antibiotics are secondary.
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Felon
Very rare. Distal finger pulp space infection Pulp is tense Needs immediate surgical
decompression
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Bites
Most common are dogs (pretty clean), cats (dirty), and humans (dirtiest).
Can appear within 24 hrs. Distinguish joint infection from cellulitis XR to rule out foreign body. Culture any
fluid. Best ABX: augmentin for 10 days.
Tetanus toxoid.