RESULTS Of the 79 patients studied, seven presented small lesions

RESULTS Of the 79 patients studied, seven presented small lesions, 55 medium lesions and 17 large lesions. Of the 17 large lesions, five presented reruptures and were reoperated using the modified Mason-Allen suture technique once again. The mean, enzalutamide mechanism of action median and delta values of the scores obtained in UCLA in the pre and postoperative periods are presented in Table 1. The comparison of the scores in the pre- and postoperative periods showed a significant increase in the values regardless of the lesion size. The clinical improvement found was 142.3%. (Table 1) Table 1 Comparison of UCLA values in the pre and postoperative periods, regardless of lesion size. Table 2 presents the preoperative and postoperative values according to lesion size. The results obtained showed 73.

3% of clinical improvement in the lesions smaller than 1 cm, 140.7% in the lesions between 1 and 3 cm, 204.3% in the lesions from 3 to 5 cm and 108.4% after the second surgery in the 5 patients who sustained reruptures. The statistical analysis of the UCLA score demonstrated clinical improvement of the patients submitted to the modified Mason-Allen suture technique, regardless of lesion size and also in the reruptures. Table 2 Comparison of UCLA values in the pre and postoperative periods, according to lesion size. All the cases of RC reruptures were of patients who presented large lesions and had undergone modified Mason-Allen suturing. The same repair technique was used in the revision surgery. Therefore, of the total patients, 6.3% had reruptures and when evaluated only in the group of large lesions, this percentage was 29.

4%. The patients with rotator cuff reruptures 6 months after surgery were evaluated using UCLA and this result ranged from 10 to 12 points. After verifying the unsatisfactory UCLA result in these patients, a second arthroscopic procedure was proposed to repair these lesions. DISCUSSION The RC insertion occupies a vast surface area on the greater tuberosity of the humerus. Simple sutures are unable to anatomically reproduce this insertion surface of the cuff in the humerus. 1 The improvement of repair techniques has reduced the incidence of ruptures and of revisions for cuff repair. The ideal repair has to present sufficient minimum resistance to maintain the repaired lesion, even with movement, and with mechanical stability until the tendon has bonded to the bone, without gap formation.

3 Significant rates of rerupture after open repair and also due to arthroscopies with different repair techniques have been reported in the literature. 9 Some factors are related to RC reruptures, Cilengitide such as patient age, muscle and tendon quality, postoperative rehabilitation, surgical technique, implant fixation, degree and chronicity of the lesion. Rerupture is one of the most frequent complications of RC repair and the success of the repair depends on the primary fixation of the tendon on the bone.

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