Rotator cuff calcifying tendonitis: Results of arthroscopic treatment

Purpose: To analyze the results of arthroscopic treatment of calcifying tendonitis of the shoulder. Materials and methods: This study analyzes 18 cases of calcifying tendonitis treated between 1999 and 2006 with a mean follow-up of 6 months; mean patient age was 46 years. The Constant scale was used to assess shoulder function; the patients' satisfaction with the fi nal result of surgery was also evaluated. Pre- and post-operative radiographs were compared. Results: In 88.8% of patients an acromioplasty was added to the main procedure, and in 3 cases the tendinous lesion caused when resecting the calcifi ed area was sutured. Mean pre- and postoperative Constant scores were 63.66 and 97.6 respectively. The calcifi cation was absent from postoperative X-rays in 16 patients; a certain amount of calcifi cation persisted in 2 cases. Statistically signifi cant differences were observed in the Constant score before and after the procedure (p < 0.001). No signifi cant relation was found between performing or failing to perform an acromioplasty, type and size of calcifi cations, persistence of calcium deposits and using or failing to use sutures and the fi nal result. 100% of patients were satisfi ed with the result of surgery. Conclusions: Arthroscopic resection in calcifying tendonitis has a very high success rate, with high levels of patient satisfaction. No signifi cant relationship was found between cases with residual post-operative calcium deposits and a poorer fi nal result, although it would seem logical to try and remove calcifi cation as thoroughly as possible without causing excessive damage to the tendon.