TY - JOUR
T1 - Acromial base fractures after reverse total shoulder arthroplasty
T2 - Report of five cases
AU - Wahlquist, Trevor C.
AU - Hunt, Allan F.
AU - Braman, Jonathan P
PY - 2011/10/1
Y1 - 2011/10/1
N2 - Background: Most series of reverse total shoulder arthroplasty (rTSA) have reported acromial fractures, but they have not been shown to alter reported outcomes in most series. We present 5 patients with acromial base fractures where the entire deltoid origin was displaced from its anatomic location. Materials and methods: Five patients with acromial base fractures after rTSA were identified and evaluated for functional outcomes and pain relief as well as results of fracture treatment. Three were treated operatively and 3 were treated nonoperatively. One nonoperative treatment eventually required open reduction and internal fixation. Results: Function was limited after fracture, with average forward elevation of only 43° but which improved to 84° after fracture union. Pain was significant after the fracture (6.8 of 10) and improved with fracture healing (0.8 of 10). Neer Functional Outcome scores after fracture union averaged 62 of 100, consistent with unsatisfactory results. Conclusion: Acromial base fractures after rTSA are a painful and disabling complication. The outcomes appear different in this series than in other series describing acromial fractures. This may be a result of the different anatomic location of the fractures. Pain improves with fracture union, but functional returns are unpredictable.
AB - Background: Most series of reverse total shoulder arthroplasty (rTSA) have reported acromial fractures, but they have not been shown to alter reported outcomes in most series. We present 5 patients with acromial base fractures where the entire deltoid origin was displaced from its anatomic location. Materials and methods: Five patients with acromial base fractures after rTSA were identified and evaluated for functional outcomes and pain relief as well as results of fracture treatment. Three were treated operatively and 3 were treated nonoperatively. One nonoperative treatment eventually required open reduction and internal fixation. Results: Function was limited after fracture, with average forward elevation of only 43° but which improved to 84° after fracture union. Pain was significant after the fracture (6.8 of 10) and improved with fracture healing (0.8 of 10). Neer Functional Outcome scores after fracture union averaged 62 of 100, consistent with unsatisfactory results. Conclusion: Acromial base fractures after rTSA are a painful and disabling complication. The outcomes appear different in this series than in other series describing acromial fractures. This may be a result of the different anatomic location of the fractures. Pain improves with fracture union, but functional returns are unpredictable.
KW - Acromial base fracture
KW - Case Series
KW - Level IV
KW - Reverse total shoulder arthroplasty
KW - Treatment Study
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U2 - 10.1016/j.jse.2011.01.029
DO - 10.1016/j.jse.2011.01.029
M3 - Article
C2 - 21493106
AN - SCOPUS:80053052885
SN - 1058-2746
VL - 20
SP - 1178
EP - 1183
JO - Journal of Shoulder and Elbow Surgery
JF - Journal of Shoulder and Elbow Surgery
IS - 7
ER -