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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Circi, Esra Akpinar, Sercan Balcik, Cenk Bacanli, Didem Guven, Gulnur Akgun, Rahmi Can Tuncay, Ismail Cengiz |
| Description | Country affiliation: Turkey Author Affiliation: Circi E ( Department of Orthopaedics and Traumatology, Baskent University Faculty of Medicine, Ankara, Turkey. esracirci@hotmail.com) |
| Abstract | Thirty-six female Sprague-Dawley rats were divided into two groups: oophrectomised (oestrogen deficient) rats and sham operated (oestrogen maintained) rats. Rats were sacrificed at six, ten, and 14 weeks. The rats were randomly chosen to have biomechanical evaluation on one side and histological evaluation on the other. Biomechanical testing was performed on an Instron machine to measure peak load. Histological sections were evaluated for cell proliferation, collagen-fibre organisation, fibroblast density, angiogenesis, inflammatory cells, chondroid and osseous metaplasia. Compared with the sham operated group, the oophrectomised group showed a lesser average maximum stress (42.9 N/m(2) versus 33.7 N/m(2)) at six weeks, which was significant (p < .05). Succeeding weeks showed no significant biomechanical differences between the two groups. The sham operated group showed greater inflammatory response, which was statistically significant (p < 0.05), and also revealed greater cell proliferation and density. The results of this study revealed that endogenous oestrogen may improve healing of the Achilles tendon in rats. |
| File Format | HTM / HTML |
| ISSN | 03412695 |
| e-ISSN | 14325195 |
| DOI | 10.1007/s00264-009-0778-1 |
| Journal | International Orthopaedics |
| Issue Number | 5 |
| Volume Number | 33 |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2009-10-01 |
| Publisher Place | Germany |
| Access Restriction | Open |
| Subject Keyword | Discipline Orthopedics Achilles Tendon Pathology Estradiol Deficiency Tendon Injuries Wound Healing Physiology Chemistry Injuries Animals Biomechanical Phenomena Calcaneus Cell Proliferation Chondrocytes Collagen Disease Models, Animal Blood Fibroblasts Neovascularization, Physiologic Ossification, Heterotopic Ovariectomy Rats, Sprague-dawley Staining And Labeling Stress, Mechanical Tendinopathy Physiopathology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Surgery |
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