Longitudinal study for rotator cuff tears in the general population

2015 ◽  
Vol 24 (12) ◽  
pp. e347
Author(s):  
Atsushi Yamamoto ◽  
Kenji Takagishi ◽  
Hitoshi Shitara ◽  
Tsuyoshi Ichinose ◽  
Tsuyoshi Sasaki ◽  
...  
2013 ◽  
Vol 10 (1) ◽  
pp. 8-12 ◽  
Author(s):  
Hiroshi Minagawa ◽  
Nobuyuki Yamamoto ◽  
Hidekazu Abe ◽  
Masashi Fukuda ◽  
Nobutoshi Seki ◽  
...  

2012 ◽  
Vol 17 (2) ◽  
pp. 136-140 ◽  
Author(s):  
Daisuke Nakajima ◽  
Atsushi Yamamoto ◽  
Tsutomu Kobayashi ◽  
Hitoshi Shitara ◽  
Tsuyoshi Ichinose ◽  
...  

2008 ◽  
Vol 17 (4) ◽  
pp. 527-534 ◽  
Author(s):  
Ulrich Irlenbusch ◽  
Meike Bracht ◽  
Heike-Kathrin Gansen ◽  
Ulrike Lorenz ◽  
Jens Thiel

2011 ◽  
Vol 20 (7) ◽  
pp. 1133-1137 ◽  
Author(s):  
Atsushi Yamamoto ◽  
Kenji Takagishi ◽  
Tsutomu Kobayashi ◽  
Hitoshi Shitara ◽  
Toshihisa Osawa

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Tsuyoshi Ichinose ◽  
Hitoshi Shitara ◽  
Tsuyoshi Tajika ◽  
Tsutomu Kobayashi ◽  
Atsushi Yamamoto ◽  
...  

AbstractWhile previous studies have revealed factors affecting the progression of rotator cuff tear (RCT), none have yet described factors affecting its onset. The purpose of this longitudinal observational study was to analyze factors affecting the RCT onset and progression in the general population. The present study included 185 shoulders from 93 participants who completed all the examinations in both 2012 and 2017. Participants received a questionnaire with age, gender, arm dominance, and presence of pain at rest, in motion, and at night. The range of motion (ROM), simple shoulder test (SST) were also examined. Anteroposterior radiograph of the shoulder joint was performed to evaluate the degree of osteoarthritic changes by the Samilson-Prieto (S-P) classification. The degree of RCT was examined by ultrasonography. There were 132 shoulders without RCT and 53 with RCT in 2012. RCT occurred in 21 of 132 shoulders, and the factor affecting the RCT onset was S-P grade 2 osteoarthritic change in 2012 (odds ratio [OR] 10.10). RCT progressed in 22 of 53 shoulders, and the factor affecting RCT progression was the presence of motion pain in 2012 (OR 13.76). These results added new knowledge regarding the natural course of RCT onset and progression.


2018 ◽  
Vol 1 ◽  
pp. 9
Author(s):  
Harshad Arvind Vanjare ◽  
Jyoti Panwar

Objective The objective of the study was to assess the accuracy of ultrasound examination for the diagnosis of rotator cuff tear and tendinosis performed by a short experienced operator, compared to magnetic resonance imaging (MRI) results. Method A total of 70 subjects suspected to have rotator cuff tear or tendinosis and planned for shoulder MRI were included in the study. Shoulder ultrasound was performed either before or after the MRI scan on the same day. Ultrasound operator had a short experience in performing an ultrasound of the shoulder. Ultrasound findings were correlated to MRI findings. Results Sensitivity, specificity, positive predictive value, negative predictive value, and accuracy for the diagnosis of tendinosis were 58%, 84%, 63%, 80%, and 75%, respectively, and it was 68%, 91%, 73%, 88%, and 85%, respectively, for the diagnosis of rotator cuff tear. Conclusions Sensitivity for diagnosing rotator cuff tear or tendinosis was moderate but had a higher negative predictive value. Thus, the ultrasound operator with a short experience in performing shoulder ultrasound had moderate sensitivity in diagnosing tendinosis or tears; however, could exclude them with confidence.


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