無症候期の肩MRI所見から投球肩障害の発症を予測できるか?

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We reported that many collegiate baseball players had abnormal MRI findings in asymptomatic phase. But it is not clear which findings are relative to the onset of throwing shoulder injury, in other words which findings are harmful lesions and which are just adaptations. The purpose of this study is to identify the findings as the lesion which affects consecutive onset and to calculate a regression formula which could predict the future onset, and we discussed the prevention strategy. Prospective study. The subjects were 48 asymptomatic collegiate baseball players. They underwent conventional MRI and we investigated who got shoulder injury during this year. We did logistic regression analysis with MRI findings and the data of the onset and found out the factors which significantly affected the onset. We also calculated Odds ratio of these factors and regression formula which predict the probability of the onset of shoulder injury and evaluated the regression model. 50%(24/48 cases) of the players suffered throwing shoulder injury during this year. Among the MRI findings of asymptomatic phase, humeral head edema and subacrominal bursitis around coraco-acrominal ligament were thought to be the lesions which are near-related to the onset of throwing shoulder injury. We calculated regression formula using MRI findings of asymptomatic phase and we could predict the onset of throwing shoulder injury with 82% accuracy. In order to prevent throwing shoulder injury, it is important to solve the mechanism of how these lesions above occur and develop the means to prevent the occurrence of these lesions above. The method used in this study is useful to predict the onset of throwing shoulder injury.
2010-08-04

無症候期の肩MRI所見から投球肩障害の発症を予測できるか?

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