AC Separation

Question 1

What radiographic view can help look at AC joint pathology?

Answer 1

Zanca view; tilting the x-ray beam 10° to 15° toward the cephalic direction and using only 50% of the standard shoulder anteroposterior penetration strength

Question 2

What is the classification for AC separation and how are the treated?

Answer 2

I- AC joint lig sprain; sling x 3 weeks
II- AC lig torn, CC lig intact; sling x3 weeks
III- AC and CC ligs torn w/ 100% displaced superiorly (rupture of deltotrapezial fascia and clavicle is subQ; surgery
VI Distal clavicle is under the coracoid; surgery

Question 3

For Grade III AC joint separations, surgical treatment results in which of the following when compared to non-operative management?

Answer 3

Higher complication rate; operative also has a longer recovery prior to return to sport/work