Osteoarthritis - Shoulder Flashcards

1
Q

What joint in the shoulder is usually affected by OA

A

Acromioclavicular joint

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2
Q

What are the causes of AC joint OA

A

Injury
Repetitive overuse
Primary - rarely

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3
Q

What are the clinical features of AC joint OA

A

Localised tenderness
Obvious prominence of the joint from osteophyte formation
Pain worse at night
Cross-adduction (scarf test) worsens pain

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4
Q

What are some other differentials for localised tenderness at the ACJ

A

Bursitis
Tendonitis
Referred pain from cervical spondylosis
Pain from irritation of nerve roots referred from neck to shoulder

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5
Q

How do you manage a patient with OA of the ACJ

A

Non-surgical:
Physiotherapy
Analgesia

Surgical:
Excision of the distal end of the clavicle - severe cases

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