نتایج جستجو برای: autograft
تعداد نتایج: 3439 فیلتر نتایج به سال:
BACKGROUND Loss of proprioceptive function occurs after anterior cruciate ligament (ACL) rupture. Clinical, motor, and proprioceptive function is known to improve after ACL reconstruction but does not return to normal. While histological studies of human ACL allografts have been unable to demonstrate mechanoreceptor reinnervation, animal data suggest that reinnervation may occur when an autogra...
Autograft is considered the gold standard in non-union treatment. However, it is associated with significant morbidity and limited biological activity. The introduction of bone morphogenetic proteins (BMPs) has added a valuable tool to the surgeon's possibilities. The initial expectations of the effectiveness of BMPs were high, but over the years the union rate of BMPs was shown to be comparabl...
Knee osteochondral lesions can be debilitating. Multiple procedures have been used to manage these defects. Osteochondral autograft transplantation is one such option. Reported complications include donor-site morbidity, failed osteointegration, size mismatch, and incongruency. In this article, we report a case of graft incongruency of the medial femoral condyle that resulted in a full-thicknes...
Reconstruction of critical-size bony defects remains a challenge to surgeons despite recent technological advances. Current treatments include distraction osteogenesis, cancellous autograft, induced membranes (Masquelet procedure), polymeric membranes, and titanium-mesh cages filled with bone graft. In this article, the authors presents two cases in which critical-sized defects were reconstruct...
AIMS The objective of the present study was to report our ongoing prospective cohort of autograft recipients with up to 21 years of follow-up. METHODS AND RESULTS All consecutive patients (n = 161), operated between 1988 and 2010, were analysed. Mixed-effects models were used to assess changes in echocardiographic measurements (n = 1023) over time in both the autograft and the pulmonary allog...
STUDY DESIGN A retrospective 1-year cost-utility analysis. OBJECTIVE To determine the cost-effectiveness of using recombinant human bone morphogenic protein (rhBMP-2) in addition to autograft for 1- and 2-level lumbar fusions. SUMMARY OF BACKGROUND DATA rhBMP-2 has been studied extensively to identify its benefits, risks, patient outcomes, and costs relative to autograft [local bone or ilia...
BACKGROUND Anterior cruciate ligament (ACL) reconstruction with hamstring autografts less than 8.5 mm in diameter is associated with worse patient-reported outcome scores and increased risk of revision surgery compared with reconstructions performed with larger grafts. One proposed solution to small autograft harvest is to create a hybrid graft by augmenting autografts with allograft tissue to ...
STUDY DESIGN Fusion success with rhBMP-2 and autograft in titanium or PEEK corpectomy devices was evaluated in a sheep lumbar corpectomy model. The 6 treatment groups included titanium mesh or PEEK corpectomy devices filled with rhBMP-2 on a compression-resistant matrix (CRM) carrier; rhBMP-2 in a morselized absorbable collagen sponge (ACS) carrier combined with resorbable ceramic granules; and...
BACKGROUND Autograft regurgitation and root dilatation after the Ross procedure is of major concern. We reviewed data from the German Ross Registry to document the development of autograft regurgitation and root dilatation with time and also to compare 2 different techniques of autograft implantation. METHODS AND RESULTS Between 1990 and 2006 1014 patients (786 men, 228 women; mean age 41.2+/...
We reviewed 29 patients who had undergone intercalary resection for malignant tumours. Of these, 14 had received segmental allograft reconstruction and 15 extracorporeally-irradiated autograft. At a mean follow-up of 71 months (24 to 132), 20 were free from disease, five had died and four were alive with pulmonary metastases. Two patients, one with an allograft and one with an irradiated autogr...
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