نتایج جستجو برای: autograft

تعداد نتایج: 3439  

2004
MICHAEL A. GATZOULIS DARRYL F. SHORE

1 also called the pulmonary autograft procedure, involves replacement of the diseased aortic valve with the patient’s own pulmonary valve (autograft) and implantation of a biological valve (homograft) in the pulmonary position. It was first described and pioneered by Mr. Donald Ross in 1967 in London. The procedure was popularised in the 1980s when homografts became widely available on both sid...

Journal: :Revista espanola de cirugia ortopedica y traumatologia 2012
A de Prado-López F León-Vaquero P López-Castro C Rodríguez-Echegaray D Peces-Gonjar M Román-Torres C M Escalante-Fernández P Carpintero-Benítez C Prieto-Tarradas

OBJECTIVE To report the result of a severe articular defect secondary to a complex open fracture of the distal humerus, using the ipsilateral radial head as a bone autograft for the trochclear region as an alternative to total arthroplasty. CASE REPORT We describe a patient who suffered an open fracture of the elbow with bone loss in the distal humeral region and, after the initial stabilisat...

Journal: :Foot & ankle international 2011
Sarang Desai

A structural bone graft is often required when performing procedures associated with flexible planovalgus deformity correction. These procedures are commonly done in conjunction with a medializing calcaneal osteotomy. Associated procedures include lengthening calcaneal osteotomy through the anterior calcaneus, distraction calcaneocuboid arthrodesis, and plantarflexion osteotomies of the medial ...

2015
Yusuke Misumi Tomoyuki Fujita Yusuke Shimahara Hiroki Hata Soichiro Kitamura Junjiro Kobayashi

A 19-year-old woman with a bicuspid aortic valve was admitted because of active infective endocarditis with a root abscess. Four weeks of antibiotic therapy achieved negative blood cultures and normalized inflammatory signs; however, echocardiography revealed severe aortic regurgitation through an abscess cavity located at the root. The modified Ross procedure, in which the pulmonary autograft ...

2017
Kensuke Okamura Kazuya Sugimoto Shinji Isomoto Norihiro Samoto Azusa Yoneda Naoki Tsukada Yasuhito Tanaka

Background Osteochondral lesions (OCLs) of the tibial plafond (OLTPs) are rare, and few studies provide treatment recommendations. We describe two cases of an OLTP that were treated with retrograde osteochondral autograft. Case Reports The first case was a 27-year-old basketball player and the second case was a 38-year-old soccer player. We harvested osteochondral autografts from the nonweigh...

2015
Panagiotis Artemiou Ingrid Schusterova Frantisek Sabol

Background/Introduction Replacement of the aortic valve or aortic root with a pulmonary autograft (Ross procedure) and replacement of the pulmonary valve with a pulmonary allograft or xenograft and is now a widely used technique for the treatment of aortic valve disease in the children and young adult. Excellent short and midterm results have been demonstrated but there is continuing concern ab...

Journal: :Journal of cardiothoracic and vascular anesthesia 1995
D M Azari J A DiNardo

Pulmonary autograft replacement of the aortic valve, the “Ross procedure,” involves transplantation of the native pulmonary valve into the aortic position and reconstruction of the right ventricular outflow tract with a cryopreserved pulmonary or aortic homograft. In any surgeon’s hands this operation is technically challenging and successful performance of the Ross procedure requires strategie...

2014
Jagdish Menon Dilip Kumar Patro

IntrOductIOn Treatment of large osseous bone defects is challenging. Autologous bone grafting is still the “biologic gold standard” against which all other forms are judged. Autograft enhances union by providing osteoconductive, osteoinductive and osteoprogenitor material to the fracture, nonunion and osseous defects. Unfortunately finite amount of graft available from each individual and addit...

Objective(s): Peripheral nerves are commonly damaged. Although the nerve autograft still subsists the gold standard in surgery of nerve injury gaps, it has severe detriment. The egg shell membrane (ESM) is a natural material, which has a great potential in practice. The aim of this survey was to appraise the effect of lycopene and the ESM nerve guidance channel on scia...

Journal: :Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association 2014
Gregory L Cvetanovich Randy Mascarenhas Maristella F Saccomanno Nikhil N Verma Brian J Cole Charles A Bush-Joseph Bernard R Bach

PURPOSE To compare outcomes of anterior cruciate ligament (ACL) reconstruction with hamstring autograft versus soft-tissue allograft by systematic review and meta-analysis. METHODS A systematic review of randomized controlled studies comparing hamstring autograft with soft-tissue allograft in ACL reconstruction was performed. Studies were identified by strict inclusion and exclusion criteria....

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