Acromio-Clavicular
(AC) Joint problems
Pain and dislocation are the two main problems
that occur with the AC Joint.
Pain
Pain is felt in the region of the joint. This is
usually a dull pain and at night is made worse
by lying on the affected side. Sharp pain is
felt when reaching overhead, particularly at the
top of the reach. Symptoms of rotator cuff
impingement may also be experienced.
Surgical treatment can comprise of
1. Localised Injection of Steroid and
Anaesthetic Agent under Image Guidance
2. Excision lateral end of clavicle
Dislocation
Dislocation / subluxation of the joint usually
occurs following a fall onto the hand or elbow
or onto the point of the shoulder.
The degree of damage to the joint is classified
by the joint displacement and injury to the
ligaments which support the AC joint.
Treatment:
Most Grade 1,2 and 3 ACJ dislocations do not
require surgery.
Most patients fully recover without any
problems, however overhead athletes and manual
workers may have persistent symptoms and require
surgery.
Surgery is indicated if the shoulder is still
painful and there is some functional loss at
about 3-6 months after the injury.
Grade 4,5 and 6 injuries often require early
surgical reduction and fixation.
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