نتایج جستجو برای: graft materials
تعداد نتایج: 516814 فیلتر نتایج به سال:
OBJECTIVE To estimate the anatomic and symptomatic efficacy of graft use in transvaginal prolapse repair and to estimate the rates and describe the spectrum of adverse events associated with graft use. DATA SOURCES Eligible studies, published between 1950 and November 27, 2007, were retrieved through Medline and bibliography searches. METHODS OF STUDY SELECTION To assess anatomic and sympto...
Background and Objective: Atrial fibrillation is the most prevalent arrhythmia, accompanied with some adverse complications, after coronary artery bypass graft surgery. The purpose of this study was to investigate the role of psychological risk factors, as well as age and gender for the incidence of atrial fibrillation after coronary artery bypass graft surgery. Materials and Methods: In this r...
PURPOSE This randomized clinical trial was conducted to assess the safety and effectiveness of the ErhBMP-2 in alveolar bone regeneration as well as preservation of the β-TCP bone graft material that contains ErhBMP-2. MATERIALS AND METHODS This study involved 72 patients at the 3 study centers. The patients, who were divided into 2 groups: the experiment group who had ErhBMP-2 coated TCP/HA ...
To develop low-cost and environmentally friendly polymeric materials for enrichment, separation, and remediation of metal ions from water, graft copolymers based on cellulose extracted from pine needles were synthesized by grafting of 2-hydroxy methacrylate (HEMA) alone and with comonomers acrylic acid, acrylamide, and acrylonitrile by benzoyl peroxide initiation. The effects of change in conce...
PURPOSE The preferred material for bone augmentation beyond the envelope of skeletal bone is the bone block graft, due to its dimensional stability. We evaluated the necessity of rigid fixation for the bone block graft, and compared the bone regeneration and volume maintenance associated with grafting using a synthetic hydroxyapatite block (HAB) and an autogenous bone block (ABB) without rigid ...
Introduction: Bone graft is harvested from bone and used to stimulate bone healing due to its properties. The aims of the study were to compare the quantity of graft harvested from proximal tibia and iliac crest, and the complications at these donor sites. Materials and Methods: This was a prospective study carried out on all consecutive patients who had orthopaedic procedures that required bon...
PURPOSE To describe a case of secondary amyloidosis that occurred in a corneal graft. METHODS A 30-year-old Japanese woman had opacities in the corneal graft in her right eye. Slit-lamp microscopy examination demonstrated nodular, subepithelial opacities in the graft. Results of a physical examination and her past medical history were unremarkable, except for a history of a penetrating kerato...
A finite element analysis of tubular, diamond-shaped stent grafts under representative cyclic loading conditions for abdominal aortic aneurysm (AAA) repair is presented. Commercial software was employed to study the mechanical behavior and fatigue performance of different materials found in commercially available stent-graft systems. Specifically, the effects of crimping, deployment, and cyclic...
Various augmentation techniques have been proposed to incarcerate the condyle for the treatment of temporomandibular joint chronic recurrent dislocation (CRD). Some of them have been used successfully, whereas some of them failed. The purpose of this study was to present an alternative eminoplasty technique, more specifically an inlay augmentation technique of articular eminence in the treatmen...
There has been growing interest in the use of grafts in pelvic reconstructive surgery. This article will address available graft materials and assess their clinical efficacy and safety. We conducted a Pubmed MEDLINE literature search for full-length English text studies with follow-up periods of at least one year. There are many reports on synthetic and biological graft materials; the majority ...
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