surgical options for nerve disorders of the shoulder
TRANSCRIPT
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Surgical Options for Nerve Disorders of the Shoulder
Lennard Funk
Wednesday, 5 October 2011
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Common Pathologies:
1. Long Thoracic Nerve
2. Suprascapular Nerve
3. Spinal Accessory Nerve
4. Brachial Neuritis / Parsonage Turner
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Surgical Options: 1. Neurolysis
2. Nerve Grafting
3. Muscle Transfers
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Neurolysis
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Nerve Grafting
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Muscle Transfers
Long Thoracic Nerve Palsy
Pec Major for Serratus
Spinal Accessory Nerve Palsy
Modified Eden-Lange Procedure
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Long Thoracic Nerve Palsy
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Serratus Wall Test
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Long Thoracic Nerve Palsy - Natural History
1. Most recover within 1 year
2. May take up to 3 years
3. 25% never fully recover
1. Fery A. Results of treatment of anterior serratus paralysis. In: Post M, Morrey BF, Hawkins RJ, eds. Surgery of the Shoulder. St Louis, Mo: Mosby Year Book; 1990:325-329. 2. Foo CL, Swann M. Isolated paralysis of the serratus anterior: a report of 20 cases. J Bone Joint Surg Br. 1983;65:552-556.
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Long Thoracic Nerve Palsy - Indications for Surgery
Symptoms > 1 year
+ No improvement on EMG
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Long Thoracic Nerve Palsy - Neurolysis
• Supraclavicular:
• Disa et al. 2001 - 4 Patients
• Nath et al. 2004
• 47 cases, Heterogeneous
• 98% improve in lesions < 10yrs duration
• Distal:
• Laulan et al. 2011
• Pure LTN palsy cases (Brachial Neuritis excluded)
• Mean time to surgery = 16 months
• ‘Most’ patients recovered
• Best results if surgery < 6months after onset (!)
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Long Thoracic Nerve Palsy - Muscle Transfer
Pectoralis Major for Serratus
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Long Thoracic Nerve Palsy - Pec Major Muscle Transfer
From Safran. AJSM. 2004
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Suprascapular Nerve Palsy
• Idiopathic• Paralabral Cyst / Ganglion• Trauma
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Suprascapular Nerve Palsy
• Idiopathic• Paralabral Cyst / Ganglion• Trauma
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Suprascapular Nerve Palsy• Supraspinatus +/- Infraspinatus
• Wasting• Weakness
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Suprascapular Nerve Palsy - Investigations
• EMG:• Proximal - Suprascapular Notch• Distal - Spinoglenoid Notch
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Suprascapular Nerve Palsy - Investigations• MRI Scan:
• Ganglion Cyst / Mass lesion
Suprascapular Spinoglenoid
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Suprascapular Nerve Palsy - Natural History
No Cyst Recover in 1 yearCyst No recovery
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Suprascapular Nerve Palsy - Arthroscopic Decompression
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Spinal Accessory Nerve - Trapezius
Causes:• Blunt Trauma• Sharp Trauma (neck surgery)
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Spinal Accessory Nerve - Trapezius
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Spinal Accessory Nerve - Prognosis
Blunt Trauma Usually Recover in 1 yearSharp Trauma No recovery
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Spinal Accessory Nerve - Modified Eden-Lange Procedure
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Parsonage-Turner Syndrome (Brachial Neuritis)
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Parsonage-Turner Syndrome (Brachial Neuritis)
Surgical Options:• Neurolysis• Pec Major Transfer• Scapulothoracic Fusion
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Scapulothoracic Fusion
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Scapulothoracic Fusion
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Summary:
‣ Always get EMG (& MRI)
‣ Atraumatic & Recovering = Non-op
‣ Traumatic / No recovery = Surgery
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Summary:
‣ Neurolysis / Decompression:
‣ Early results better than late
‣ Muscle Transfer / Fusion:
‣ Good results
‣ Limited expectations
‣ Long recovery
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