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An allograft contains many of the beneficial characteristics of nerve autograft, such as three-dimensional microstructural scaffolding and protein components inherent to nerve tissue. [3] One of the adverse effects of nerve allotransplantation is the immunogenic response.
The transplant is called an allograft, allogeneic transplant, or homograft. Most human tissue and organ transplants are allografts. It is contrasted with autotransplantation (from one part of the body to another in the same person), syngenic transplantation of isografts (grafts transplanted between two genetically identical individuals) and ...
This kind of graft is known as a vital bone graft. [citation needed] An autograft may also be performed without a solid bony structure, for example, using bone reamed from the anterior superior iliac spine. In this case, there is an osteoinductive and osteogenic action, however, there is no osteoconductive action, as there is no solid bony ...
Using allograft tissue rather than an autograft eliminates a second surgical site, allowing the recipient to avoid additional pain, risk and a possibly longer hospital stay. In addition, in some ...
Bone autograft is generally preferred by surgeons because, as well as eliminating the risks associated with allografts, bone autograft contains native bone-forming cells (osteoblasts), so the graft itself forms new bone (osteoinductive), as well as acting as a matrix or scaffold to new bone growing from the bones being bridged (osteoconductive ...
In orthopaedic medicine, a bone graft can be sourced from a patient's own bone in order to fill space and produce an osteogenic response in a bone defect. However, due to the donor-site morbidity associated with autograft, other methods such as bone allograft and bone morphogenetic proteins and synthetic graft materials are often used as alternatives.
Labral reconstruction is a type of hip arthroscopy in which the patient's native labrum is partially or completely removed and reconstructed using either autograft or allograft tissue. Originally described in 2009 [ 1 ] using the ligamentum teres capitis, arthroscopic labral reconstruction using a variety of graft tissue has demonstrated ...
Allograft bone is a logical alternative to autograft. However, it must be rigorously processed and terminally sterilized prior to implantation to remove the risk of disease transmission or an immunological response. This processing removes the osteogenic and osteoinductive properties of the graft, leaving only an osteoconductive scaffold. These ...