نتایج جستجو برای: Graft union
تعداد نتایج: 142715 فیلتر نتایج به سال:
Introduction: Close reduction and intra medullary nailing has been established as the treatment for femoral shaft fractures with a non::union:: rate of 0.9-1.1 % though, it is still controversial. Currently, the most accepted method for treatment of non ::union:: is exchange nailing. Therefore, this study aimed to investigate treatment of femoral shaft fractures non ::union:: via 2 methods of e...
Background: Iliac osteotomies in adolescent patients may accompany graft related difficulties such as graft absorptionand delayed union. A new modification of iliac osteotomies has been proposed to address these difficulties.Methods: A total of 24 consecutive hip joints in 21 juvenile or adolescent patients who were candidate for salter ortriple pelvic osteotomy were included....
Compared to other techniques of propagation, grafting is the most successful and feasible technique for asexual propagation of walnut plants. There is little information about graft union formation in walnut. Therefore, the objective of this study was to evaluate histological events during graft union formation in Juglans regia L. cv. Chandler scions when minigrafted on the one-year-old seedlin...
The present investigation was carried out to evaluate the influence of four clonal rootstocks (Quince A, Quince B, Quince C, PQBA29), and two seedling rootstocks (Gownjony and pear) on growth and performance of two pear scion cultivars namely Shahmiveh and Natanz. In the course of the experiment, vegetative growth indices including, current’s season shoot length, height of scion cultivars, trun...
OBJECTIVES The purpose of this study was to compare union rates for isolated subtalar arthrodesis with and without the use of bone grafts or bone graft substitutes. METHODS We retrospectively reviewed 135 subtalar fusions with a mean follow-up of 18 ± 14 months. The standard approach was used for all surgeries. Graft materials included b-tricalcium phosphate, demineralized bone matrix, iliac ...
Grafting on epicotyl of young seedlings has been introduced as a simple and rapid method for walnut propagation. Although this technique improves the grafting success and propagation efficiency, it is technically more demanding than the conventional walnut grafting procedures and is yet to be optimized. This study was aimed to investigate the influence of rootstock type (dwarf and standard geno...
Background: Scaphoid fracture, as the most common fracture of the wrist, is complicated sometimes by non-:::union:::. The purpose of this study is to compare radiologic and functional outcomes in patients with scaphoid non-:::union::: who were treated by bone graft with fixation (pin or screw) or without fixation.Methods: In this cohort retrospective study, all patients with scaphoid non-:...
The experiment was carried out during 2015-2016, with the aim of investigating the effects of scion cultivar, rootstock age and hormonal treatments on the success of walnut minigrafting. Analysis of results showed that all studied factors were effective on graft-take and survival of minigrafted walnuts and other growth traits of the scions. The highest graft-take was observed on one-year-old ro...
BACKGROUND Surgically, it is difficult to achieve union of a scaphoid nonunion that is associated with osteonecrosis of the proximal pole, and those with carpal collapse are especially difficult to treat. A variety of vascularized bone grafts can be used. The purpose of this study was to compare the effectiveness of two types of vascularized bone graft -- a distal radial pedicle graft and a fre...
BACKGROUND This meta-analysis aimed to determine the bone union rate of bone defects treated with the different autologous bone graft techniques. METHODS The PubMed and the Cochrane Library databases were searched using the terms: 'fracture' AND ('bone loss' OR 'defect' OR 'defects') AND 'bone graft', restricted to English language, to human species, and to a publication period from January 1...
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