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1

The surgical treatment of the long head of biceps tendon and the autotenodesis phenomenon: an ultrasound and arthroscopic study

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Zabrzynski J., Paczesny L., Lapaj L., Zabrzynska A., Szwedowski D.
Folia Morphologica
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2020
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tom 79
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nr 2
Background: Open or mini-invasive operative procedures are methods of choice in the treatment of the advanced degenerative process of tendinopathy of long head of biceps tendon (LHBT). Cosmetic arm deformity and fatigue are the main complaints after the surgery. Researchers have noticed that in some cases the typical cosmetic deformity is often barely noticeable and the pain is significantly reduced as it occurs after spontaneous LHBT rupture due to extremely advanced tendinopathy. Materials and methods: This study included 41 of 75 patients who underwent LHBT arthroscopy-assisted tenotomy, followed by examination conducted by means of dedicated clinical tests, the American Shoulder and Elbow Surgeons Score (ASES) and ultrasounds. Results: The average time interval from surgery to follow-up in the cohort was 31 months, the mean outcome measured with the ASES was 87 points and the “Popeye deformity” complication was present in 15 individuals. In the group of 26 patients where the Popeye deformity was absent and the arm contour was similar to that of the opposite arm, sonographic examination revealed the LHBT stump at the level of the intertubercular groove that was hyperechogenic and wider than the part under the groove. Conclusions: Recent reports about the absence of the cosmetic deformity in the anterior area of the arm after shoulder arthroscopy are based on the autotenodesis phenomenon. The intra-articular part of LHBT is painlessly trapped in the bicipital groove by the surrounding soft tissues, which results in unchanged biceps muscle length; however, it is more probable to happen in patients without massive rotator cuff tears. (Folia Morphol 2020; 79, 2: 395–401)
2

Sonography in the instability of the long head of the biceps tendon confronted with histopathologic and arthroscopic findings

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Zabrzynski J., Paczesny L., Zabrzynska A., Grzanka D., Lapaj L.
Folia Morphologica
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2018
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tom 77
|
nr 3
Background: Disorders of the long head of the biceps (LHB) tendon are a common source of shoulder pain and disability. This tendon can be well visualised using ultrasonography; however, little is known if such examination allows clinicians to predict pathological changes of the tendon structure. In the study described below, we compare preoperative sonographic findings with the data from shoulder arthroscopy and microscopic examination of the excised tendon fragments in 19 consecutive patients with LHB tendinopathy and clinical suspicion of its instability. Materials and methods: Preoperative ultrasonographic (US) inspection assessed several features of the tendon, whereas its stability was verified arthroscopically. In all cases, tenodesis or tenotomy procedures were performed and excised tendon fragments were harvested for microscopic examination based on the semiquantitative Bonar score. Results: The most common US findings were hypoechoic areas, tendon thickening, an increased power Doppler signal and mechanical instability. Just as shoulder arthroscopy confirmed all mechanical instability cases detected in US, microscopic assessment revealed advanced degeneration in all samples. Conclusions: Our study indicates that US is a useful tool in identifying cases of advanced instability and LHB tendinopathy, whereas biceps tendon instability is a biomechanically complex, gradually progressing phenomenon, frequently associated with additional shoulder lesions. (Folia Morphol 2018; 77, 3: 583–590)
3

Tendon — function-related structure, simple healing process and mysterious ageing

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Zabrzynski J., Lapaj L., Paczesny L., Zabrzynska A., Grzanka D.
Folia Morphologica
|
2018
|
tom 77
|
nr 3
Tendons are connective tissue structures of paramount importance to human ability of locomotion. The understanding of their physiology and pathology is gaining importance as advances in regenerative medicine are being made today. So far, very few studies were conducted to extend the knowledge about pathology, healing response and management of tendon lesions. In this paper we summarise actual knowledge on structure, process of healing and ageing of the tendons. The structure of tendon is optimised for the best performance of the tissue. Despite the simplicity of the healing response, numerous studies showed that the problems with full recovery are common and much more significant than we thought; that is why we discussed the issue of immobilisation and mechanical stimulation during healing process. The phenomenon of tendons’ ageing is poorly understood. Although it seems to be a natural and painless process, it is completely different from degeneration in tendinopathy. Recent studies of biological treatment reported faster and optimal healing of the tendons when augmented by growth factors and stem cells. Despite advances in biology of tendons, management of their injuries is still a challenge for physicians; therefore, further studies are required to improve treatment outcomes. (Folia Morphol 2018; 77, 3: 416–427)
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