mike mara, carpal tunnel syndrome - beacon hospital
TRANSCRIPT
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Carpal Tunnel Syndrome Update
Michael L. Mara M.D.
24 April 2021
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• Anatomy
• Review of Symptoms/Demographics/Associations
• Diagnosis
• Treatment
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Carpal Tunnel Syndrome Update
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Carpal Tunnel Syndrome: Anatomy
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Carpal Tunnel Syndrome: Anatomy
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Carpal Tunnel Syndrome: Anatomy
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• Compression of the Median Nerve at the wrist
• Pain, numbness, tingling, clumsiness, weakness
• Worse at night, driving, vibratory tools
• Female Gender, Increasing Age, Thyroid Disorder, DM, Obesity,
Inflammatory Disease, Pregnancy, Renal Failure (amyloidosis)
• Computer Use???
Carpal Tunnel Syndrome: Symptoms and Demographics
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Differential Diagnosis:
• Cubital Tunnel Syndrome (ring/small fingers)
• Cervical Radiculopathy (neck/arm pain)
• Peripheral Neuropathy (glove distribution)
• Arthritis (pain>>>paraesthesia)
• Overuse/Tendonitis (pain/activity related)
• Raynaud’s (cold/vibration exposure)
• DeQuervain’s Tendonitis (pain on thumb-side of wrist)
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Carpal Tunnel Syndrome: Diagnosis
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Patient Factors Can Be Use To Diagnosis CTS With A High Degree of Accuracy
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Carpal Tunnel Syndrome: Diagnosis
>17=99% chance of CTS
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Nerve Conduction Studies:
• Traditionally used as confirmatory exam in patients with clinical CTS or
unclear diagnosis
• Highly sensitive, not highly specific
• “Asymptomatic CTS”
• Patient Issues: cost, delay, discomfort
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Carpal Tunnel Syndrome: Diagnosis
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Diagnostic Ultrasound
• Promising Diagnostic Technology
• Ever more widely available
• No discomfort
• Detects increased cross-sectional area of median nerve
• Newer techniques looking at dynamic effects of finger motion
• Stiffness of connective tissues and nerve itself
• Further studies to look at age, gender, BMI, Operator Dependency
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Carpal Tunnel Syndrome: Diagnosis
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Cortisone Injection
• Highly Effective
• Low Risk
• Excellent diagnostic value
• Excellent predictive value
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Carpal Tunnel Syndrome: Diagnosis/Treatment
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Carpal Tunnel Syndrome: Conservative Treatment
• Brace, Injection
• Physio, Vitamin B6, Therapeutic U/S, Acupuncture, Laser Not Effective
• Yoga?
• Injection>Brace
• Longer duration -> less effective
• Older/DM->less effective
• Obstetrical CTS: highly effective
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Carpal Tunnel Syndrome: Surgical Treatment
Open vs Endoscopic Techniques:
• Same long-term Outcomes
• Endo better short term (palm pain, RTW)
• Bilateral
• Expense
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Endoscopic Carpal Tunnel Release
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Long Term Results:
• 75-90% “Normal” Hands
• ECTR=OCTR
• Recurrence rates <5%
• Poor Outcomes=Palm Pain, WeaknessPersistent/Recurrent Symptoms
• Revision Surgery Rare
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Carpal Tunnel Syndrome: Surgical Treatment
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• Obstetrical
• Symptoms Can Be Severe
• Night Splinting
• Early Injection Highly
Effective
• Geriatric
• Advanced Disease
• Thenar Atrophy
• Injection/Surgery give good
relief of dysesthesia/night
pain
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Carpal Tunnel Syndrome: Special Cases
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• Diagnosis Made Clinically
• CTS-6 Tool
• Emerging Role of NCS/US
• Brace and Cortisone Injection Effective Medium-Term
• Early Treatment Obstetrical CTS
• Geriatric Population/Dysesthesia
• OCTR and ECTR both effective
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Carpal Tunnel Syndrome: Conclusions
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Thank You
Michael L. Mara MD