The effects of implant composition on extensor tenosynovitis in a canine distal radius fracture model
作者： Stefano M. Sinicropi , Brian W. Su , Frank J. Raia , May Parisien , Robert J. Strauch
DOI: 10.1016/J.JHSA.2004.08.004
关键词: Osteotomy 、 Tenosynovitis 、 Surgery 、 Titanium alloy 、 Distal radius fracture 、 Dentistry 、 Musculotendinous junction 、 Titanium 、 Implant 、 Medicine 、 Tendon 、 Orthopedics and Sports Medicine
摘要: Purpose Dorsal plating of distal radius fractures with titanium plates has resulted in clinically observed tenosynovitis and tendon rupture. The goal this study was to investigate whether titanium-based implants result more extensor inflammation than matched stainless-steel a canine fracture model. Methods An osteotomy created the 18 beagles fixed 2.7-mm 4-hole composed commercially pure titanium, alloy (Ti-Al6-V4), or 316L stainless steel. Animals were killed at an average 4 months. Tendon gliding assessed by applying force musculotendinous junction noting gliding. Histologic grading (mild, moderate, severe) based on cellular hypertrophy, hyperplasia, leukocytic infiltration. Results Tendons glided freely 100% specimens, 75% alloy, 43% groups. A severe inflammatory reaction identified 60% (Ti-A16-V4) group, 57% 0% group. Conclusions produced greater peritendinous response implants.
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