Massive rotator cuff tears: Clinical outcomes of arthroscopic repair using a double MAC technique
DOI:
https://doi.org/10.1016/j.rccot.2017.08.006Keywords:
shoulder arthroscopy, rotator cuff repair, double MAC, massive tearsAbstract
Background: Massive ruptures of the rotator cuff represent one of the most complex lesions that can be faced by the orthopaedic shoulder surgeon, and pose a great challenge to achieve satisfactory clinical results. The aim of this study is to describe the clinical outcomes of a new surgical technique for the repair of large and massive rotator cuff injuries used in a specialised orthopaedic clinic during a period of 3 years.
Materials and methods: A descriptive study was carried out on a cohort of patients with large and massive lesions of the rotator cuff, diagnosed by direct arthro-resonance, and who met criteria for arthroscopic repair. They underwent repair using a new technique called double MAC (Mason-Allen configuration). The post-surgical outcomes were measured using the Constant scale, and the presence of complications and the level of patient satisfaction with the procedure were analysed as outcomes.
Results: There were 21 patients (10 men and 11 women) with mean age of 59.4 (SD: 8.2) years at the time of surgery. A supraspinatus rupture was present in all (100%) of patients, and an infraspinatus rupture was present in 42.8%.. The mean size of the tear was 34.5 mm (SD: 11.2). Mean time between surgery and assessment was 9 months. Mean post-operative Constant score was 77.4 (SD: 9.0). There were no surgical complications or anchor failure. An early adhesive capsulitis was diagnosed and managed with articular mobilisation, with subsequent improvement in range of motion.
Discussion: Double MAC technique for arthroscopic repair of large and massive RCT is a safe and effective technique, with good clinical outcomes in the medium term and a patient satisfaction of over 90%.
Evidence: Level IV.
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References
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