ArticleActa orthopaedica et traumatologica turcica2022
Effect of platelet-rich plasma on bone regenerate consolidation in distraction osteogenesis: An experimental study in rabbits.
Article in Acta orthopaedica et traumatologica turcica, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- High Systemic Immune-Inflammation Index and Body Mass Index Are Independent Risk Factors of the Thoracic Ossification of the Ligamentum Flavum.Mediators of inflammation · 2022Article
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3 authors at 2 institutions in 1 country.
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Abstract
objectiveThe aim of this study was to determine the effect of platelet-rich plasma (PRP) on bone regenerate consolidation in a rabbit model of distraction osteogenesis.
methodsIn this study, 12 male New Zealand rabbits weighing 1600 to 2000 g were used. All the rabbits were randomly divided into two groups (n = 6 per group): PRP group and control group. A two-ring, circular external fixator was applied to the right tibia of each rabbit in both groups. After corticotomy, all the tibiae were distracted at a rate of 0.5 mm/day for 20 days. PRP was injected to the osteotomy sites on the 7th, 14th, and 21st days postoperatively. Mineral density of the new bone tissue formed in the distraction zone was measured using quantitative computed tomography in the 3rd, 4th, and 5th weeks. At the end of the 6th week, the animals were sacrificed, and the specimens were evaluated biomechanically and histologically.
resultsMicrocomputed tomography assessment showed significant bone mineral density increase from the 3rd to the 6th week (62.3% and 43.7% for the PRP and control groups, respectively). In the PRP group, the measurements on the 3rd, 4th, and 5th weeks were 416 ± 29, 487 ± 9.9, and 675 ± 37.8 HU (Hounsfield units), respectively, whereas in the control group were 313, 374, and 450 HU, respectively. In the comparison of weekly measurements of the two groups, the increase in bone density in the PRP group was higher than that in the control group (P < 0.001). During the mechanical tests, in the PRP group, the mean torsion was 46.50°and the mean torque 0.53 Nm, while in the control group, the mean torsion was 19.33°and the mean torque 0.65 Nm. The mechanical analysis of the groups revealed significant differences in the mean maximum torsion angles (P = 0.024). The histological examination showed that both groups had external and internal periosteal calli. Callus tissue in four rabbits in the PRP group and two rabbits in the control group was remodeled; normal bone formation occurred and distracted bone ends were completely healed.
conclusionThe results of the present study have indicated that PRP injection can enhance bone regenerate consolidation and increase bone mineral density during the healing process of distraction osteogenesis.
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