Fixation of experimental osteotomies of the distal femur in rabbits with bone cement and cyanoacrylate
- 1 June 1986
- journal article
- research article
- Published by Springer Nature in Archives of orthopaedic and trauma surgery
- Vol. 105 (3) , 133-136
- https://doi.org/10.1007/bf00433928
Abstract
A distal femoral osteotomy was fixed with liquid cyanoacrylate and bone cement in 25 rabbits. Follow-up was done at 1, 3, 6, 12, and 24 weeks. The distal portion of each femur was removed, fixed in alcohol, embedded in methylmethacrylate, sawed to 80 μm thickness for OTC-fluorescence study and microradiography, and cut to 5-μm sections for histological analysis. Radiological and careful microscopic (OTC labeling, microradiographic, and histological) studies showed healing of the osteotomies during the first 6 weeks after operation. However, at 12 and 24 weeks' follow-up only four of ten osteotomies had healed. According to these observations it is obvious that fixation of an osteotomy of the cancellous bone with bone cement and cyanoacrylate does not provide sufficient stability for successful healing. Die distalen Femurosteotomien von 25 Kaninchen wurden mit Zyanoakrylat und Knochenzement fixiert. Die Nachuntersuchungen fanden nach 1, 3, 6, 12 and 24 Wochen statt. Der distale Teil von jedem Oberschenkelknochen wurde entnommen, in Alkohol fixiert, in Methylmethacrylat gegossen und für die histologischen Studien auf 5 μm Dicke geschnitten und für die OTC-Studien und Microradiographie auf 80 μm gesägt. Die radiologischen und genauen mikroskopischen (OTC, Mikroradiographie, Histologic) Untersuchungen zeigten, daß die Osteotomien während den ersten sechs Wochen heilten. Später dagegen waren die Resultate ungenügend, denn nur 4 von 10 Osteotomien waren nach 12 and 24 Wochen geheilt. Auf Grund dieser Resultate ist zu schlieBen, daB eine genügend stabile Osteotomie des spongiösen Knochens durch Fixation mit Knochenzement and Zyanoakrylat nicht erreicht und somit die Heilung gestört wurde.Keywords
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