Effect of anti-inflammatory agents on the integration of autogenous bone graft and bovine bone devitalized matrix in rats

Acta Cirurgica Brasileira

Roberto Antoniolli Da Silva²  Djalma José Fagundes¹  Andréia Conceição Milan Brochado Antoniolli Silva¹  Karin Ellen Sisti¹  Themis Maria Milan Brochado De Carvalho¹  Daniel Nunes E Silva¹ 

[1] ,Federal University of Mato Grosso do Sul Department of Surgical Clinics ,Brazil

关键词: Bone Transplantation;    Anti-Inflammatory Agents;    Rats;    Wistar;    Transplante Ósseo;    Antiinflamatório;    Ratos Wistar;   

DOI  :  10.1590/S0102-86502008000200006

来源: SciELO

【 摘 要 】

PURPOSE: To study the repair of bone defect filled with autograft or bovine bone devitalized matrix in rats under anti-inflammatory action. METHODS: Two hundred and forty Wistar rats were distributed to two groups of 120 animals each. A 2mm-diameter defect was created in the femoral diaphysis. Animals of Group I had the bone defect filled with autograft and those of Group II, with bovine bone devitalized matrix. Animals of each group were redistributed to four subgroups according to the intramuscular administration of anti-inflammatory drug or saline solution: A - diclofenac sodium; B - dexamethasone; C - meloxicam; D - saline solution. Evaluation periods were 7, 14 and 30 days. Histological evaluation consisted of quantifying the inflammatory process, the bone neoformation, the collagen formation and the presence of macrophages. RESULTS: Animals of Group I did not show significant difference considering inflammatory reaction. Significant and progressive increase of bone neoformation was observed in both groups. The animals that received meloxicam and autograft showed less collagen formation at 14 and 30 days. The number of macrophages was higher in Group II than in Group I. The animals treated with dexamethasone and saline solution did not show statistically significant difference. CONCLUSIONS: Diclofenac sodium and meloxicam delayed bone graft repair and dexamethasone did not interfere in it.

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