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Evaluation of the cross-sectional area of acromion process for shoulder impingement syndrome
The Korean Journal of Pain ; : 60-65, 2020.
Artigo | WPRIM | ID: wpr-835213
ABSTRACT
Background@#Anatomic changes in the acromion have been considered a main cause of shoulder impingement syndrome (SIS). To evaluate the relationship between SIS and the acromion process, we devised a new morphological parameter called the acromion process cross-sectional area (APA). We hypothesized that the APA could be an important morphologic diagnostic parameter in SIS. @*Methods@#We collected APA data from 95 patients with SIS and 126 control subjects who underwent shoulder magnetic resonance imaging (MRI). Then we measured the maximal cross-sectional area of the bone margin of the acromion process on MRI scans. @*Results@#The mean of APAs were 136.50 ± 21.75 mm2 in the male control group and 202.91 ± 31.78 mm2 in the male SIS group; SIS patients had significantly greater APAs (p < 0.001). The average of APAs were 105.38 ± 19.07 mm2 in the female control group and 147.62 ± 22.90 mm2 in the female SIS group, and the SIS patients had significantly greater APAs (p < 0.001). The optimal APA cut-off in the male group was 165.14 mm2 with 90.2% sensitivity, 91.4% specificity, and an area under the curve (AUC) of 0.968. In the female group, the optimal cut-off was 122.50 mm2 with 85.2% sensitivity, 84.9% specificity, and an AUC of 0.928. @*Conclusions@#The newly devised APA is a sensitive parameter for assessing SIS;greater APA is associated with a higher possibility of SIS. We think that this result will be helpful for the diagnosis of SIS.
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo de prevalência / Estudo prognóstico / Fatores de risco Revista: The Korean Journal of Pain Ano de publicação: 2020 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo de prevalência / Estudo prognóstico / Fatores de risco Revista: The Korean Journal of Pain Ano de publicação: 2020 Tipo de documento: Artigo