Carpal Tunnel Syndrome Hand/Finger/Wrist Issues. 2 Presentation: A 64-year-old, right-handed,...
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Transcript of Carpal Tunnel Syndrome Hand/Finger/Wrist Issues. 2 Presentation: A 64-year-old, right-handed,...
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Carpal Tunnel Syndrome
Hand/Finger/Wrist IssuesHand/Finger/Wrist Issues
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Presentation:A 64-year-old, right-handed, retired womanpresents with:intermittent numbness, tingling, and burning pain Location: The three radial digits of both hands Duration: Had these symptoms for three monthsHistory: These symptoms awaken her several times each night. On examination: She has no atrophy of the thenar muscles.Sensation to light touch is intact. How should she be evaluated and treated?
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Scope of the problem
2.7 million office visitsDifferential diagnosis:Entrapments of the nerves-Carpal tunnel syndrome, Entrapment of the ulnar nerveCervical radiculopathy
Tendon disorders, Overuse of muscles, Nonspecific pain syndromes
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CT Anatomy
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CTS Data F: 3%, M:2%, Average age: 55 yrsF: 3%, M:2%, Average age: 55 yrs Elevated pressure in the carpal tunnel Results in ischemia of the median nerve Causes impaired nerve conduction and attendant
paresthesia and pain Related Conditions:
PregnancyInflammatory arthritis- RAColles’ fracture AmyloidosisHypothyroidismDiabetes mellitus 6%Acromegaly Use of corticosteroids and estrogens
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CTS: Occupational
Repetitive activities of the hand and wrist particularly with a combination of forceful andrepetitive activities:Food processingManufacturingLogging Construction workData entry
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History
Pain, tingling, burning, numbness, or some combination of these symptoms on the palmar aspect of the thumb, index finger, middle finger, and radial half of the ring fingerNo such symptoms affect the fifth fingerNocturnal symptoms reported (51-77%)“Flick Sign”: Shake the symptomatic hand or hands when symptoms are at their worst gives relief
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Assessment
Late signs:Loss of two-point discrimination in the median nerve distribution
Thenar atrophyPhalen’s maneuver: Flexion of the wrist for 60 seconds elicits pain or paresthesia in the median-nerve distribution (40-80%)Tinel’s sign: Present if tapping lightly over the volar surface of the wrist causes radiating paresthesia in the digits innervated by themedian nerve (67-87%)
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TherapiesTreat associated conditionsTreat associated conditionsWrist splint alleviates symptoms (80%); maintain the wrist in neutral posture rather than in extension
Medications- ?NSAIDs, B6Prednisone helps (10mg/day)Local Corticosteroid Injection (75% relief) symptoms recur within 1 yr (Poor prognosis: constant numbness, impaired sensibility, and weakness or thenar muscular atrophy) Limit injections to 3/yr
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?Surgery
Carpal-tunnel–release surgery (on demand)Indications: constant numbness, symptoms for more than one year, loss of sensibility, and thenar muscular atrophy or weaknessDirect or endoscopic carpal ligament releaseEndoscopic –increased risk of median nerve injury/
benefit earlier return to work
“mini”-open release70-90% success in pain reliefElectro-diagnostic studies help to choose patients
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Surgical Scars
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?Alternative Therapies
““not been evaluated”yoga-based stretching, strengthening, and
relaxationchiropractic therapyminimize forceful hand and wrist activitiesacupuncture, dietary supplements
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U/S imaging