ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2021
Tympanosclerosis and atherosclerosis plaques: a comparative analytical study on some new microbiological and immunohistochemical aspects.
Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 7 citations in OpenAlex.
- Can inflammatory indices predict myringosclerosis?Saudi medical journal · 2025Article
- [Analysis of medium and long term efficacy of ossicle chain bypass technique in treatment of tympanosclerosis].Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2023Article
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Abstract
purposeThe aim of this study was to compare chemical contents, expression of BMP-8a, and the presence of Mycoplasma and ExoS-ExoU exotoxins producing Pseudomonas aeruginosa in tympanosclerosis (TS) and atherosclerosis (AS) plaques.
methodsThirty-six cases with TS and AS plaques (18 each) were selected and examined for chemical, immunohistochemical, and microbial analysis. SPSS ver. 21 and t test analysis were used for comparing the findings, and the level of significance was considered as p < 0.05.
resultsTS plaques showed lower carbon, higher calcium, and phosphorous contents compared to AS plaques (p value < 0.05). Chlorine was detected in AS plaques (1.8 w%) which could probably be due to the presence of myeloperoxidase (MPO) in atherosclerotic artery. Contrary to spherical shape of the surface of TS plaques, AS plaques were needle shaped. BMP-8a expression in TS plaques (59.5%) was significantly higher (p value < 0.0001) than AS plaques (20%). Of the 18 TS specimens, 12, 14, and 3 were positive for ExoS, ExoU Pseudomonas aeruginosa, and Mycoplasma genes, respectively, while of the 18 AS specimens, 2, 2, and 3 were positive for ExoS, ExoU Pseudomonas aeruginosa, and Mycoplasma genes, respectively.
conclusionTS plaques are different from AS plaques in terms of elemental components, surface morphology, and BMP-8a expression. Therefore, different calcification process and pathogenesis may be responsible for these two diseases. The results of our study showed that both TS and AS plaques have genetic footprint of Mycoplasma, but the level of calcium concentration-dependent exotoxins genes was found only in TS plaques.
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