نتایج جستجو برای: allografts
تعداد نتایج: 5270 فیلتر نتایج به سال:
Allografts of bone from the femoral head are often used in orthopaedic procedures. Although the donated heads are thoroughly tested microscopically before release by the bone bank, some surgeons take additional cultures in the operating theatre before implantation. There is no consensus about the need to take these cultures. We retrospectively assessed the clinical significance of the implantat...
OBJECTIVE Compare the immunological and echocardiographic data of decellularized versus cryopreserved allografts used for RVOT reconstruction during Ross operation. METHODS From 16/01/03 thru 07/10/03, 20 Ross operations were performed using decellularized (n=11) or cryopreserved (n=9) allografts. Echocardiography was done at discharge, 1, 3, 6 and 12 months and annually thereafter. Samples f...
Transplantation of immature retinal tissues may offer a solution for restoring sight to individuals afflicted with degenerative retinal diseases. Promising results have recently demonstrated that neonatal retinal grafts placed in the eye can survive, differentiate into photoreceptor cells, and respond to evoked electrical stimuli. These transplants, however, were performed in immunologically im...
BACKGROUND Macrophages predominate among the inflammatory cells in rejecting allografts. These innate immune cells, in addition to allospecific T cells, can damage cardiomyocytes directly. METHODS AND RESULTS We explored whether sensitive positron emission tomography-computed tomography (PET-CT) imaging of macrophages-avid nanoparticles detects rejection of heart allografts in mice. In additi...
BACKGROUND AND OBJECTIVES Glomerular lesions in allografts in recipients with end-stage nephritis resulting from systemic lupus erythematosus (SLE) were examined to determine the spectrum of glomerular pathology in recurrent glomerulonephritis (GN). DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS A total of 156 biopsy samples, from 49 serial allografts in 43 recipients with end-stage lupus neph...
INTRODUCTION The purposes of this study were: 1) to analyze the early results of cadaveric renal transplantation from either hepatitis C virus seropositive (HCV+ ) or hepatitis C virus seronegative (HCV-) donors into HCV + recipients; and 2) to determine whether HCV+ patients with end-stage renal disease (ESRD) might benefit from receiving renal allografts from HCV + donors. METHODS From Janu...
Introduction: Reconstructive options for peripheral nerve gaps are currently limited. Autogenous nerve grafts continue to be the gold standard, but are limited by the availability of graft material. All other methods of nerve grafting are either experimental or have limited clinical applicability. We propose developing a tissue engineered peripheral nerve allograft that is non-immunogenic but c...
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