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Bone graft

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https://www.readbyqxmd.com/read/28342545/distal-tibial-nonunion-using-a-contralateral-anterior-l-shaped-locking-compression-plate-through-a-posterior-lateral-approach-a-retrospective-case-series
#1
Chuanlu Lin, Lixiang Lin, Lutchooman Vinesh, Xiwen Shao, Xiaolang Lu, Jianjun Hong
BACKGROUND: Distal tibial nonunion is usually due to severe open distal tibial fractures with high energy injury. The best surgical treatment is not well established because of the poor soft tissue condition. We retrospectively analyzed a series of patients with distal tibial nonunion after severe open distal tibial fractures; our purpose was to introduce a treatment using a contralateral anterior L-shaped locking compression plate through a posterior-lateral approach with Iliac crest bone graft and evaluate the outcomes of patients...
March 19, 2017: Injury
https://www.readbyqxmd.com/read/28340490/a-novel-method-of-neo-osseous-flap-prefabrication-induction-of-free-calvarial-periosteum-with-bioactive-glass
#2
Ali Aliyev, Omer Ekin, Ozan Bitik, Gokhan Tuncbilek
Background Reconstruction of craniofacial bone defects is a primary focus of craniofacial surgery. Although autogenous bone grafts remain as the gold standard, alloplastic materials have also gained widespread popularity due to their off-the-shelf availability, ease of use, and durability. In addition to replacing the missing bone, some of these alloplastic materials have also been found to induce new bone formation. Objectives In this study, the phenomenon of neo-osseous induction with bioactive glass was investigated for different implant-soft tissue configurations...
March 24, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28338574/rigid-occipitocervical-instrumented-fusion-for-atlantoaxial-instability-in-an-18-month-old-toddler-with-brachytelephalangic-chondrodysplasia-punctata-a-case-report
#3
Hiroki Oba, Jun Takahashi, Kyoko Takano, Yuji Inaba, Mitsuo Motobayashi, Gen Nishimura, Shugo Kuraishi, Masayuki Shimizu, Shota Ikegami, Toshimasa Futatsugi, Masashi Uehara, Tomoki Kosho, Hiroyuki Kato, Koki Uno
STUDY DESIGN: Case report OBJECTIVE.: We report here on an 18-month-old boy with brachytelephalangic chondrodysplasia punctata (BCDP), whose atlantoaxial instability was successfully managed with occipitocervical instrumented fusion (OCF) using screw and rod instrumentations. SUMMARY OF BACKGROUND DATA: Recently, there have been a number of reports on BCDP with early onset of cervical myelopathy. Surgical OCF is a vital intervention to salvage affected individuals from the life-threatening morbidity...
March 23, 2017: Spine
https://www.readbyqxmd.com/read/28338449/development-of-a-preoperative-predictive-model-for-major-complications-following-adult-spinal-deformity-surgery
#4
Justin K Scheer, Justin S Smith, Frank Schwab, Virginie Lafage, Christopher I Shaffrey, Shay Bess, Alan H Daniels, Robert A Hart, Themistocles S Protopsaltis, Gregory M Mundis, Daniel M Sciubba, Tamir Ailon, Douglas C Burton, Eric Klineberg, Christopher P Ames
OBJECTIVE The operative management of patients with adult spinal deformity (ASD) has a high complication rate and it remains unknown whether baseline patient characteristics and surgical variables can predict early complications (intraoperative and perioperative [within 6 weeks]). The development of an accurate preoperative predictive model can aid in patient counseling, shared decision making, and improved surgical planning. The purpose of this study was to develop a model based on baseline demographic, radiographic, and surgical factors that can predict if patients will sustain an intraoperative or perioperative major complication...
March 24, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28337956/acute-renal-graft-versus-host-disease-in-a-murine-model-of-allogeneic-bone-marrow-transplantation
#5
Peter M Schmid, Abdellatif Bouazzaoui, Karin Schmid, Christoph Birner, Christian Schach, Lars S Maier, Ernst Holler, Dierk H Endemann
Acute kidney injury (AKI) is a very common complication after allogeneic bone marrow transplantation (BMT) and associated with poor prognosis. Generally kidneys are assumed to be no direct target of Graft-versus-Host Disease (GvHD), and renal impairment is often attributed to several other factors occurring in the early phase after BMT. Our study aimed to prove the existence of renal GvHD in a fully MHC-mismatched model of BALB/c mice conditioned and transplanted according to two different intensity protocols...
March 23, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28337223/emerging-perspectives-in-scaffold-for-tissue-engineering-in-oral-surgery
#6
REVIEW
Gabriele Ceccarelli, Rossella Presta, Laura Benedetti, Maria Gabriella Cusella De Angelis, Saturnino Marco Lupi, Ruggero Rodriguez Y Baena
Bone regeneration is currently one of the most important and challenging tissue engineering approaches in regenerative medicine. Bone regeneration is a promising approach in dentistry and is considered an ideal clinical strategy in treating diseases, injuries, and defects of the maxillofacial region. Advances in tissue engineering have resulted in the development of innovative scaffold designs, complemented by the progress made in cell-based therapies. In vitro bone regeneration can be achieved by the combination of stem cells, scaffolds, and bioactive factors...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28336447/anatomical-reconstruction-of-the-fourth-brachymetatarsia-with-one-stage-iliac-bone-and-cartilage-cap-grafting
#7
Sang-Hyun Woo, Chi Young Bang, Hee-Chan Ahn, Sung-Jung Kim, Jun-Young Choi
BACKGROUND: We present a one-stage procedure for lengthening the fourth brachymetatarsia with autogenous iliac bone and cartilage cap grafting for the anatomical reconstruction of the metatarsophalangeal (MTP) joint METHODS: During the last 8 years, 56 feet in 41 patients with congenital brachymetatarsia of the fourth toe were corrected with a one-stage operation to reposition the articular cartilage cap to the distal part of interpositional iliac bone graft at the metatarsal epiphysis...
February 28, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28336322/a-novel-semi-automatic-segmentation-protocol-for-volumetric-assessment-of-alveolar-cleft-grafting-procedures
#8
Nard G Janssen, Ruud Schreurs, Gerhard K P Bittermann, Wilfred A Borstlap, Ronald Koole, Gert J Meijer, Thomas J J Maal
A novel protocol for volumetric assessment of alveolar cleft grafting procedures is presented. Eleven cone-beam computed tomography (CBCT) datasets of patients who underwent secondary alveolar cleft reconstructive surgery for a unilateral alveolar cleft were evaluated by two investigators. Residual bone volumes 1 year after surgery were analysed using a semi-automated technique in which preoperative CBCT datasets were superimposed on the postoperative scans using voxel-based registration. To define the correct boundaries of the alveolar cleft defect in the preoperative CBCT dataset, a mirror image of the preoperative CBCT dataset was superimposed on the preoperative CBCT dataset...
February 24, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28334434/withdrawn-nutrition-support-for-bone-marrow-transplant-patients
#9
REVIEW
Susan M Murray, Sima Pindoria
BACKGROUND: This is an update of the original Cochrane review published in Issue 2, 2002. Bone marrow transplantation involves administration of toxic chemotherapy and infusion of marrow cells. After treatment, patients can develop poor appetite, mucositis and gastrointestinal failure, leading to malnutrition. To prevent this, parenteral nutrition (PN) support is often first choice but is associated with increased risk of infection. Enteral nutrition (EN) is an alternative, as is addition of substrates...
March 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28334060/bone-repair-process-in-defects-of-diabetic-rats-filled-with-autogenous-bone-graft-and-covered-with-homogenous-bone-matrix-membrane-or-polytetrafluoroethylene-membrane
#10
Carlos Alberto Timóteo, Alessandra Marcondes Aranega, Elio Hitoshi Shinohara, Juliana Zorzi Coléte
PURPOSE: To analyze the process of repair of bone defects in diabetic rats filled with autogenous bone and covered with membranes of homogenous bone matrix or expanded polytetrafluoroethylene (ePTFE). MATERIALS AND METHODS: One hundred twenty male rats were divided into two groups: group 1 (IC), without systemic alterations (control), received an intravenous injection of citrate buffer at 0.01 M, pH 4.5; group 2 (IID) (diabetic) received an intravenous injection of streptozotocin (Sigma-Aldrich) dissolved in 0...
March 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28332482/development-of-novel-silk-fibroin-polyvinyl-alcohol-sol-gel-bioactive-glass-composite-matrix-by-modified-layer-by-layer-electrospinning-method-for-bone-tissue-construct-generation
#11
B N Singh, K Pramanik
The worldwide occurrence of bone tissue related defects as well as diseases and lack of successful perpetual cure has attracted attention and accelerated exploration of composite scaffolding material with superior bioactivity, osteoinductivity and osteoconductivity properties. Among such biomaterials, silk fibroin and bioglass composite attained special emphasis to develop tissue engineered construct with a hierarchical structure ranging from nano to microscale thereby mimicking bone tissue extracellular matrix...
March 23, 2017: Biofabrication
https://www.readbyqxmd.com/read/28332167/controlled-release-of-vanadium-from-a-composite-scaffold-stimulates-mesenchymal-stem-cell-osteochondrogenesis
#12
S D Schussler, K Uske, P Marwah, F W Kemp, J D Bogden, S S Lin, Treena Livingston Arinzeh
Large bone defects often require the use of autograft, allograft, or synthetic bone graft augmentation; however, these treatments can result in delayed osseous integration. A tissue engineering strategy would be the use of a scaffold that could promote the normal fracture healing process of endochondral ossification, where an intermediate cartilage phase is later transformed to bone. This study investigated vanadyl acetylacetonate (VAC), an insulin mimetic, combined with a fibrous composite scaffold, consisting of polycaprolactone with nanoparticles of hydroxyapatite and beta-tricalcium phosphate, as a potential bone tissue engineering scaffold...
March 22, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28329410/long-term-outcome-after-a-treosulfan-based-conditioning-regimen-for-patients-with-acute-myeloid-leukemia-a-report-from-the-acute-leukemia-working-party-of-the-european-society-for-blood-and-marrow-transplantation
#13
Arnon Nagler, Myriam Labopin, Dietrich Beelen, Fabio Ciceri, Liisa Volin, Avichai Shimoni, Roberto Foá, Noel Milpied, Jacopo Peccatori, Emmanuelle Polge, Audrey Mailhol, Mohamad Mohty, Bipin N Savani
BACKGROUND: Allogeneic hematopoietic cell transplantation (HCT) is a curative therapy for patients with acute myeloid leukemia (AML). However, post-HCT relapse and regimen-related toxicity remain significant barriers to long-term survival. In recent years, new conditioning regimens have been explored to improve transplantation outcomes in patients with AML. Treosulfan combines a potent immunosuppressive and antileukemic effect with a low toxicity profile. METHODS: To investigate the role of treosulfan-based conditioning, the European Society for Blood and Marrow Transplantation Acute Leukemia Working Party performed a registry analysis of 520 adult patients with AML who received treosulfan-based conditioning and underwent HCT between 2000 and 2012, including 225 patients in first complete remission, 107 in second or later complete remission, and 188 with active/advanced disease 188 (88 with primary refractory disease)...
March 22, 2017: Cancer
https://www.readbyqxmd.com/read/28328610/removable-partial-denture-after-gunshot-injury-five-year-follow-up
#14
Eduardo Piza Pellizzer, Marcelo Coelho Goiato, Daniel Augusto de Faria Almeida, Rosse Mary Falcon-Antenucci, Cleidiel Aparecido Araujo Lemos, Victor Eduardo de Souza Batista, Fellippo Ramos Verri
The aim of this study was to report a patient of rehabilitation with removable partial denture retained by implants in-patient who suffered injury after firearm shooting. A 19-year-old man presented to the hospital of the Val Paraíso city after being hit by a bullet in the right on the face, affecting the teeth 12 to 16. The surgery to remove the shards of teeth, and bullet was performed. Surgical team opted for installation of implants without bone grafts; however, due to extensive loss of alveolar bone, only 3 tilted implants (2 Ø3...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28328603/simultaneous-autologus-mandible-and-temporomandibular-joint-reconstruction
#15
Yigit Ozer Tiftikcioglu, Ersin Gur, Ufuk Bilkay
Ablative surgery of mandible often necessitates combined reconstruction of the mandible and the temporomandibular joint. Fibula-free flaps with gap arthroplasty or osseochondral grafts are common procedures in the authors' practice. In search for a better reconstructive option free fibula flap is used together with a metatarsal bone flap for the vascular reconstruction of the mandibular body and the condyle at the same time. The 2 osseous-free flaps have been fused and used as a combined flow through double-free flap...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28327692/immediate-immediate-delayed-6%C3%A2-weeks-and-delayed-4%C3%A2-months-post-extractive-single-implants-1-year-post-loading-data-from-a-randomised-controlled-trial
#16
Marco Esposito, Giovanni Zucchelli, Gioacchino Cannizzaro, Luigi Checchi, Carlo Barausse, Anna Trullenque-Eriksson, Pietro Felice
PURPOSE: To compare the clinical outcome of single implants placed immediately after tooth extraction with implants placed 6 weeks after tooth extraction (immediate-delayed placement), and with implants placed after 4-month extraction and socket healing (delayed placement). MATERIALS AND METHODS: Two-hundred and ten (210) patients requiring a single implant-supported crown to replace a tooth to be extracted were randomised to receive immediate post-extractive implants (70 patients), immediate-delayed implants at 6 weeks (70 patients), and delayed implants after 4 months of healing (70 patients) according to a parallel group design...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28327417/appositional-bone-graft-tunneled-technical-note
#17
Roberto Almeida de Azevedo, Felipe Seoane Matos, Leonardo Morais Godoy Figueiredo
INTRODUCTION: A satisfactory positioning of the dental implants is very important in the cosmetic and functional outcome in this treatment for edentulous. Insertion of an endosseous implant in the correct positioning requires sufficient bone volume. Therefore, bone-grafting procedures are becoming increasingly common, especially for the augmentation of horizontally deficient ridges. PRESENTATION OF CASE: Many patients have been treated with this technique of appositional Bone Graft Tunneled at our clinic since 2005...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28326892/clinical-and-histomorphometric-assessment-of-lateral-alveolar-ridge-augmentation-using-a-corticocancellous-freeze-dried-allograft-bone-block
#18
Roya Shariatmadar Ahmadi, Ferena Sayar, Vahid Rakhshan, Babak Iranpour, Jahanfar Jahanbani, Ahmad Toumaj, Nasrin Akhoondi
Horizontal ridge augmentation with allografts has attracted notable attention because of its proper success rate and the lack of disadvantages of autografts. Corticocancellous block allografts have not been adequately studied on humans. Therefore, this study evaluated clinically and histomorphometrically the increase in ridge with after horizontal ridge augmentation using corticocancellous block allografts, and the implant success after 12 to 18 months post-implantation. In 10 implant patients (3 women, 7 men, 45 years old on average), defective maxillary alveolar ridges were horizontally augmented using freeze-dried bone allograft blocks...
March 22, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28326722/-application-of-team-approach-and-key-techniques-of-cleft-lip-and-palate
#19
Shi Bing, Fu Yuchuan, Yin Ningbei, Huang Hong-Zhang, Liu Jianhua, Chen Renji, Zhu Hongping, Liu Qiang, Huang Yongqing, Ren Zhanping, Lu Yong, Xiao Wenlin, Song Qinggao, Li Wanshan, Li Sheng, Wang Hongtao, Zhang Junrui, Jiang Liping, Ma Li, Wang Ling, He Dengqi
The development of an expert consensus based on specific domestic situations will provide practical guidance to the efforts aiming at improving cleft care in China. The team approach of twenty-one cleft centers were pooled together, covering pre-surgical orthopedics, primary surgical repair, orthodontic treatment, alveolar bone graft, secondary deformity correction, palatal fistulae repair, the diagnosis and treatment of velopharyngeal incompetence, speech therapy, otitis media management, and skeletal deformity correction...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326407/instability-of-the-proximal-tibiofibular-joint-associated-with-total-knee-arthroplasty
#20
Martin Bédard, Simon Corriveau-Durand
To our knowledge, proximal tibiofibular joint instability has never been reported in a patient with a total knee arthroplasty (TKA). We present the case of a patient with anterolateral proximal tibiofibular joint instability associated with a complex primary TKA. In 2010, a male patient of 47 years was referred for TKA after posttraumatic osteoarthritis. The patient's history includes a fracture of the left lateral tibial plateau in 2008 and removal of osteosynthesis material in 2009. TKA with a lateral metal augment and intramedullary stem was performed in 2010...
September 2016: Arthroplasty Today
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