How periarticular corticosteroid injections impact the integrity of arthroscopic rotator cuff repair - 23/09/20
, Christophe Duysens b, Thierry Joudet c
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Abstract |
Introduction |
Multimodal analgesic (MMA) injections combined with corticosteroids have recently been shown to be effective for managing pain after arthroscopic rotator cuff repair.
Hypothesis |
The goal of this study was to analyze the effects of corticosteroid injections on the integrity of tendon repairs using magnetic resonance imaging (MRI). The hypothesis was that MMA injections combined with corticosteroids have no deleterious effects on functional outcomes and tendon healing 1 year after surgical rotator cuff repair.
Methods |
This was a prospective, double-blind study of 50 patients undergoing arthroscopic rotator cuff repair who were randomized into two groups. The study group (n=25) received a periarticular injection of a mixture of ropivacaine, morphine and methylprednisolone at the end of the procedure. The control group (n=25) received a placebo injection. The clinical outcomes were the pain level and complications, while the functional outcomes consisted of the Constant-Murley Score (CMS), American Shoulder and Elbow Surgeons Shoulder (ASES) score and Simple Shoulder Test (SST). The structural integrity of the operated tendons was analyzed on MRI at a mean follow-up of 15.1±1.3 months for the study group and 15.2±1.1 for the control group (p=0.848).
Results |
Pain on a visual analog scale was significantly reduced in both groups after the surgery. Nevertheless, there was no significant difference between groups at the final follow-up visit (p=0.803). Compared to the preoperative values, the CMS, ASES and SST significantly improved in both groups after surgery but were not significantly different between groups at the final assessment (p=0.801, 0.869 and 0.769, respectively). MRI revealed supraspinatus tendon retears in 16% of patients in the study group and 36% in the control group (p=0.107). There were no infections in the study group as of the final assessment. Advanced age (p=0.049), diabetes (p<0.01) and posterior extension of the tear (p=0.039) negatively impact healing. Corticosteroid injection did not negatively impact healing (p=0.197).
Conclusion |
This study shows that MMA injection combined with corticosteroids does not alter the tendon healing, clinical outcomes, or functional outcomes 1 year after arthroscopic rotator cuff repair. It remains a safe and effective analgesia method during rotator cuff repair surgery.
Level of evidence |
II, low-powered placebo-controlled, randomized study.
Le texte complet de cet article est disponible en PDF.Keywords : Corticosteroid injection, Multimodal analgesia, Arthroscopic rotator cuff repair, Tendon healing, Sugaya classification
Plan
Vol 106 - N° 6
P. 1159-1166 - octobre 2020 Retour au numéro
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