Abstract:
BACKGROUND:Tendinopathy of the long head of the biceps brachii tendon (LHBT) is one of the most common, painful conditions of the anterior part of the shoulder and often coexists with rotator cuff tears. Multifactorial aetiopathology of tendi-nopathy is poorly understood; however, several studies indicated that it is seen predominantly in areas with decreased vascularity of the tissue; the pathology is also characterised by expansive and abundant neovascular in-growth. The aim of the study was to investigate the relationship between the neovascularisation of proximal part of the LHBT and pain along the bicipital groove. MATERIALS AND METHODS:Tissue material was obtained from 28 patients who underwent a shoulder arthroscopy and experienced pain along the bicipital groove measured using Visual-Analog Scale (VAS) score. CD31 and CD34 molecules were visualised by immunohistochemical method to assess biceps tendon neovascula-risation and quantify it based on a Bonar scoring system. RESULTS:Although all patients reported pain prior to arthroscopy (mean VAS score was 7.5), microscopic examination did not reveal neovascularisation in all cases. Immunohistochemical staining for CD31 and CD34 allowed for very precise visualisation and quantification of neovascularisation; however there was also no correlation between vessels in-growth scores and pain. CONCLUSIONS:The obtained data suggest that neovascularisation process in tendino-pathy is not directly related to pain; however, further studies are needed to explain its significance in the LHBT tendinopathy. (Folia Morphol 2018; 77, 2: 378-385).
journal_name
Folia Morphol (Warsz)journal_title
Folia morphologicaauthors
Zabrzyński J,Paczesny Ł,Łapaj Ł,Grzanka D,Szukalski Jdoi
10.5603/FM.a2017.0093subject
Has Abstractpub_date
2018-01-01 00:00:00pages
378-385issue
2eissn
0015-5659issn
1644-3284pii
VM/OJS/J/53998journal_volume
77pub_type
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journal_title:Folia morphologica
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