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Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_III | Pages 296 - 297
1 Mar 2004
Aleksandar L Marko B Vujadin T
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Aims: to present histologic changes of articular cartilage and meniscal allgraft after medial meniscectomy and protective value and survival of allograft in the experimental knee model. Material and methods: Two groups (experimental and control group) of 15 new Zaeland white rabbits were operated and evaluated in three time subgroups: after 2 weeks (þrst group), after 8 weeks (second group) and after 36 weeks (thirdt group). In the experimental group after medial meniscetomy the deep frozen meniscal allograft was transplented (meniscal allografts were obtained from another group of animals). After sacriþcation the knee specimens were stained by following histohemical methods: hematoxylin-eosin (HE), Periodic Acid Shift (PAS), Van Gieson, Paff Halmi, Masson trichrom and Von Kossa and and analysed by light microscope. Results: Signiþcan difference existed beetwen 2 groups. Best results were obtained in the experimental group nd worst in control group Ð6 months after meniscectomy. During time the deep frozen meniscal allografts show signiþcant collagen remodeling, cellular and vascular ingrowth and they are able to protect the underlying cartilage. Conclusion: The deep frozen meniscal allograft appeared to function normally after transpalnation and the procedure is beneþcial Ð meniscal reconstruction or transplantation provides protection of the knee cartilage.


Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_III | Pages 285 - 285
1 Mar 2004
Aleksandar L Marko B Milorad M
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Aims: Ankle fractures are injuries with intraarticular imapct. Therefore the treatment must be very precise (meticilous). Numerous and heterogenous factors inßuence the late results in both conservativelly and operatively treated ankle fractures. So the aim of the study was to determine the list of prognosticaly and statistically signiþcant factors in the ankle fractures. Material and methods: 504 patients who were treated for ankle fractures for 5 year period were followed for 3 to 10 years. All fractures were clasiþed according to Lauge Hansen clasiþcation. Conservative treatment consists of reduction and plaster imobilisation for 5–7 weeks, while in operative treated patients internal þxation were performed for most fractures while in pronation dorsißexion- pilon fractures minimally internal þxation in combination with dinamical external þxation was done. Results: pronation-eversion (grade 2) fractures has the same result in both kinds of treatment, while pronation Ðeversion and pronation fractures show better results in operatively treated patients and pilon fractures with dynimical external þxation. Conclusion: the displaced fractures shoud be anatomically reduced, either by closed or open. The most decisive factors inßuencing the late result in ankle fractures are: type of fracture, age, anatomical reduction, talocrural angle, size of posterior fragment, lateral shortening and condition of soft tissue.