Abstracts Posters SICOT-SOF meeting Gothenburg 2010 _2_

Poster
Topic: General Orthopaedics
Abstract number: 26355
EFFECT OF SHOCK WAVE THERAPY IN CALCIFYING TENDINITIS
Horng-Chaung HSU 1 , Teng-Le HUANG 1 , Ching Chieh YANG 2 , Jiunn-Jer WU 3 , Hsiu-
Chen LIN 1 , Hong-Wen WU 1
1 China Medical University and University Hospital, Taichung (TAIWAN), 2 Youngfore
Hospital, Taipei (TAIWAN), 3 Chung Shan Hospital, Taipei (TAIWAN)
We prospectively studied extracorporeal shock wave therapy (ESWT) for calcific
tendinitis of the shoulder in 46 consecutive patients. All patients were randomly
divided into 2 groups: treatment and control. The 33 patients in the treatment group
received 2 courses of ESWT at the energy density of 0.55mJ/mm2 (1000 impulses).
The control group underwent sham treatment with a dummy electrode (13 patients).
Evaluation included the Constant score, pain scale, and radiographs. The ESWT
results were good to excellent in 87.9% of shoulders (29/33) and fair in 12.1% (4/33),
and the control results were fair in 69.2% (9/13) and poor in 30.1% (4/13). Among
ESWT patients, calcium deposits were completely eliminated in 7 cases (21.2%),
partially eliminated in 11 (36.3%), and unchanged in 15 (45.4%). In contrast,
elimination was partial in 2 control patients (15.3%) and unchanged in 11 (84.7%).
There was no significant difference between Gartner type I and type II groups in the
Constant score (P >.05). ESWT shows promise for pain relief and functional
restoration of calcific tendinitis with negligible complications
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