Repair Tension During Arthroscopic Rotator Cuff Repair helps
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This study aimed to examine the correlation of repair tension during arthroscopic rotator cuff repair (ARCR) with preoperative factors and to evaluate whether measuring tension during ARCR is effective for predicting rotator cuff integrity after ARCR.

Patients who underwent ARCR were enrolled in this study. Inclusion criteria were patients with medium or larger-sized tears and with a minimum of 6 months follow-up. Patients with a partial repair were excluded. Intraoperative repair tension was measured according to Davidson’s method.

Results:
--120 patients met the inclusion criteria. Mean repair tension was 26.6 ± 12.6 N, and retear was found in 29 shoulders (24.2%).

--Among the preoperative factors, tear size in the mediolateral and anteroposterior directions, DeOrio and Cofield’s classification, geometric classification, and fatty infiltration of supraspinatus and infraspinatus were significantly correlated with repair tension.

--However, multivariable logistic regression analysis identified only tear size in the mediolateral direction as an independent predictor of repair tension.

--Logistic regression analysis showed that repair tension and geometric classification are significant factors affecting rotator cuff integrity after ARCR.

--ROC curve analysis showed the cutoff value of repair tension of large to massive tears for retear to be 35.6 N.

Finally, based on preoperative magnetic resonance imaging, this study found that intraoperative repair tension is highly associated with tear size in the mediolateral direction, and that measuring tension during ARCR is useful for predicting rotator cuff integrity after ARCR.

Source: https://www.arthroscopyjournal.org/article/S0749-8063(21)00335-2/fulltext
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