Rotator cuff ruptures are the most common injuries of shoulder joint with an incidence about 20 %. This pathology is more in adults over 60 years age because it caused by degenerative changes tendon. Massive account for 10–40 % all rotator injuries. Currently, there no unified surgical tactics treatment patients massive tendons. The aim. To assess efficiency transposition latissimus dorsi tendo...

We examined biopsy specimens obtained during surgery on 115 patients with complete rotator cuff rupture. The vascularised connective tissue covering the area of rupture and the proliferating cells in the fragmented tendons reflected more of the features of repair than of degeneration and necrosis. The main source of this fibrovascular tissue was the wall of the subacromial bursa. These features...

BACKGROUND Rotator cuff tears are very common, but little is known about the outcome of nonoperative treatment of symptomatic tears in terms of progression and the need for surgical intervention. METHODS Fifty-nine shoulders in fifty-four patients (thirty-three women and a mean age of 58.8 years) with rotator cuff tears on initial magnetic resonance imaging who had been managed nonoperatively...

BACKGROUND This study used a chronic rotator cuff (RC) tear model to investigate the effect of microfracture as a bone marrow-stimulating (BMS) technique for RC healing. METHODS A chronic retracted RC tendon tear model was created bilaterally in the subscapularis tendons of 20 New Zealand rabbits. The tendons were repaired after 8 weeks using a single-row configuration. Tendons in the right s...

Tendons primarily experience tensile loading along their fibre-aligned direction. They may at the same time also undergo compression and shear. Some of these complex loadings occur normally, as when a tendon wraps around a bone and is subjected to longitudinal tension and transverse compression. Other complex loadings are abnormal and may lead to rupture, as occurs at the rotator cuff (Józsa an...

Imaging Findings: MR and US examinations (Figs. 1–4) revealed no signs of rotator cuff tendons or biceps tendon injuries. On MR sequences and on US images we can observe a massive distention of the subacromial bursa, filled with synovial effusion and with multiple loose bodies; such nodules present various signal intensity characteristics at MR examination and result movable at US evaluation. T...

BACKGROUND It has been theorized that degenerative rotator cuff tears most commonly involve the supraspinatus tendon, initiating at the anterior portion of the supraspinatus insertion and propagating posteriorly. The purposes of this study were to determine the most common location of degenerative rotator cuff tears and to examine tear location patterns associated with various tear sizes. MET...

This study evaluated the utility of optical coherence tomography (OCT) in imaging porcine and human rotator cuff (RTC) tissue, analyzed its effectiveness in identifying clinical pathology, and correlated these findings with histologic examination. Twelve human cadaveric and 6 porcine shoulders were evaluated. Six-millimeter-wide bone sections were harvested from the proximal humerus of each spe...

BACKGROUND Shoulder dysfunction is common and pathology of the rotator cuff tendons and subacromial bursa are considered to be a major cause of pain and morbidity. Although many hypotheses exist there is no definitive understanding as to the origin of the pain arising from these structures. Research investigations from other tendons have placed intra-tendinous neovascularity as a potential mech...

PURPOSE To evaluate what effect the angle of screw-in suture anchor insertion has on fixation stability at the suture-tendon interface. METHODS Supraspinatus tendons from 7 matched pairs of human cadaveric shoulders were split, yielding 4 tendons per cadaver. An experimental rotator cuff tear was created and repaired, using a 5.0-mm diameter screw-in suture anchor. In a staggered, matched pai...