111 Autografts and Allografts
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بررسی مقایسهای روند ترمیم دو نوع آلوگرافت استخوانی داخل غضروفی با یکدیگر و با آلوگرافتهای داخل غشایی همراه با آنتیژن زدایی دو گانه
Background & Aim: When comparing bone autograft and allograft, conditions like performing two surgeries at the same time in an individual, size limitations of autografts, bleeding etc. forced specialists to think about the possible substitution of autografts with the allograft. In this study considering the importance of the kind of the chosen bone for graft, its embryologic origin, its his...
متن کاملChondrocyte viability in press-fit cryopreserved osteochondral allografts.
The viability of chondrocytes in press-fit glycerol-preserved osteochondral allografts was compared to that in fresh autografts, after transplantation into load-bearing and non-load-bearing sites in mature sheep stifle joints. We used macroscopic grading, tonometer pen indentation testing, histology, sulfate uptake and viability as determined by confocal-microscopy to assess cartilage condition...
متن کاملComparison of fresh osteochondral autografts and allografts: a canine model.
BACKGROUND Osteochondral autografts and allografts have been widely used in the treatment of isolated grade IV articular cartilage lesions of the knee. However, the authors are not aware of any study that has prospectively compared fresh osteochondral autografts to fresh allografts with regard to imaging, biomechanical testing, and histology. HYPOTHESIS The imaging, biomechanical properties, ...
متن کاملAre bone autografts still necessary in 2006? A three-year retrospective study of bone grafting.
Autograft is considered as the gold standard in bone grafting. However, the development of tissue banks has allowed for a wider use of bone allografts, with good results. Demineralised Bone Matrix (DBM) and recombinant human Bone Morphogenetic Proteins (rh-BMP's) were also introduced to replace the time-honoured autograft. Is there currently still a place for bone autograft? The authors reviewe...
متن کاملA radiological evaluation of allografts (ethylene oxide sterilized cadaver bone) and autografts in anterior cervical fusion.
Serial roentgenograms of 40 patients who had 70 cervical intervertebral spaces grafted with ethylene oxide sterilized cadaver bone and 28 patients who received 44 iliac crest auto grafts for anterior cervical spine fusion, were studied. The radiological evaluation was made on the basis of settlement of intervertebral spaces, fusion rate, delayed union, non-union, graft collapse and extrusion of...
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