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. 2023 Feb;33(2):373-379.
doi: 10.1007/s00590-021-03197-5. Epub 2022 Jan 10.

Correlation between preoperative clinical examination and intraoperatively found subscapularis tendon tear

Roland Stefan Camenzind  1   2 , Javier Martin Becerra  3   4 , Timo O Tondelli  5 , Louis Gossing  3   6 , Julien Serane-Fresnel  3   7 , Thibault Lafosse  3 , Laurent Lafosse  3
Affiliations

Correlation between preoperative clinical examination and intraoperatively found subscapularis tendon tear

Roland Stefan Camenzind et al. Eur J Orthop Surg Traumatol. 2023 Feb.

Abstract

Purpose: Analyze the diagnostic value for subscapularis (SSC) tendon tears, their correlation between pain and strength on clinical tests, and compare them with intraoperative arthroscopic findings to prove their diagnostic value.

Methods: 110 consecutive patients undergoing arthroscopic rotator cuff repair were reviewed and allocated to isolated SSC (n = 39) and combined anterosuperior tendon tear (n = 71) groups and analyzed. Preoperative clinical testing included belly press (BPT), bear hug (BHT), lift-off (LOT), palm-up (PUT), and Jobe test (JT). All tests were performed in two categories: pain (in 4 categories: 0, 5, 10, and 15) and strength (from 0 to 5). The tendon tears were intraoperatively reviewed and classified.

Results: Mean age was 59 years (SD 10). The sensitivity of the BHT was 88.2% and 74.5% for BPT, while specificity was only 41.9% for BHT and 45% for BPT. Sensitivity of JT was 90.5% and 87.5% for PUT, while specificity was only 41% for JT and 28.2% for PUT. A low positive correlation for an intraoperative SSC lesion and the strength of BPT (Spearman rank correlation - 0.425; p value < 0.0001) and the strength of BHT ( - 0.362; p value = 0.001) could be found. With linear regression analysis estimated by ordinary least squares, a correlation between BPT strength and surgical grade of SSC lesion (- 0.528; 95% CI, - 0.923 to - 0.133; pvalue < 0.01) was found.

Conclusion: The BHT showed a higher sensitivity for a SSC lesion, while the BPT had a higher correlation between preoperative testing, most notably internal rotation strength, and intraoperative surgical grade of the SSC tendon lesion.

Level of evidence: Level II, Prospective cohort study for Diagnostic tests.

Keywords: Anterosuperior tendon tears; Arthroscopic rotator cuff repair; Subscapularis tendon tear; Supraspinatus tendon tear.

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