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Bone allograft

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https://www.readbyqxmd.com/read/28646824/bone-marrow-aspirate-concentrate-versus-platelet-rich-plasma-to-enhance-osseous-integration-potential-for-osteochondral-allografts
#1
Aaron M Stoker, Charles A Baumann, James P Stannard, James L Cook
No abstract text is available yet for this article.
June 24, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28646420/composite-reverse-shoulder-arthroplasty-can-provide-good-function-and-quality-of-life-in-cases-of-malignant-tumour-of-the-proximal-humerus
#2
Cyril Lazerges, Louis Dagneaux, Benjamin Degeorge, Nicolas Tardy, Bertrand Coulet, Michel Chammas
PURPOSE: Management of proximal humeral tumours remains a surgical challenge. No study to date has assessed the quality of life scores following the composite reverse shoulder arthroplasty for this indication. We, therefore, evaluated function and quality of life following reconstruction with allograft for malignant tumour of the humerus. METHODS: A series of six cases of humeral tumour treated by a single surgeon in a single centre was reviewed after a mean follow-up of 5...
June 23, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28636429/autograft-versus-allograft-for-posterior-cruciate-ligament-reconstruction-an-updated-systematic-review-and-meta-analysis
#3
John W Belk, Matthew J Kraeutler, Justin M Purcell, Eric C McCarty
BACKGROUND: Multiple studies have demonstrated a higher risk of graft failure after anterior cruciate ligament reconstruction with allograft, but limited data are available comparing outcomes of posterior cruciate ligament reconstruction (PCLR) with autograft versus allograft. PURPOSE: To compare the clinical outcomes of autograft versus allograft for primary PCLR. STUDY DESIGN: Systematic review. METHODS: A systematic review was performed by searching PubMed, the Cochrane Library, and EMBASE to locate studies (level of evidence I-III) comparing clinical outcomes of autograft versus allograft in patients undergoing primary PCLR with the conventional transtibial technique...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28634923/osteoblastoma-of-the-elbow-analysis-of-13-patients-and-literature-review
#4
Andrea Angelini, Andrès Felipe Varela-Osorio, Giulia Trovarelli, Antonio Berizzi, Gabriele Zanotti, Pietro Ruggieri
PURPOSE: To analyze the clinical and radiographic characteristics, treatment, and outcome of patients with elbow osteoblastoma. PATIENTS AND METHODS: We present 13 patients (7 males and 6 females; mean age, 28 years) diagnosed and treated for an elbow osteoblastoma from 1975 to 2012. Mean follow-up was 29 months (range 12-60 months). Clinical presentation, imaging, surgical treatment, complications, range of elbow motion, and functional outcome were evaluated...
June 20, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28634562/a-simple-bone-cyst-in-cervical-vertebrae-of-an-adolescent-patient
#5
Adriana Bruges Boude, Lina González Vásquez, Fernando Alvarado-Gomez, María Constanza Bedoya, Andrés Rodríguez-Múnera, Luis Carlos Morales-Saenz
INTRODUCTION: Spinal simple bone cysts, also known as solitary cysts, are extremely unusual benign primary bone tumors with few cases reported in the literature. CASE PRESENTATION: Incidental Magnetic Resonance Imaging (MRI) finding of a C2 Simple bone cyst in a 13-year-old female patient is reported. Complementary studies suggested the benign nature of the lesion. Patient underwent cervical curettage followed by tumor excision. A lateral submandibular approach to the upper cervical spine was used and careful bone resection was possible with a radiofrequency assisted burr and no instrumentation or fixation was required...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28634532/cellularizing-hydrogel-based-scaffolds-to-repair-bone-tissue-how-to-create-a-physiologically-relevant-micro-environment
#6
Mathieu Maisani, Daniele Pezzoli, Olivier Chassande, Diego Mantovani
Tissue engineering is a promising alternative to autografts or allografts for the regeneration of large bone defects. Cell-free biomaterials with different degrees of sophistication can be used for several therapeutic indications, to stimulate bone repair by the host tissue. However, when osteoprogenitors are not available in the damaged tissue, exogenous cells with an osteoblast differentiation potential must be provided. These cells should have the capacity to colonize the defect and to participate in the building of new bone tissue...
January 2017: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/28633251/successful-lung-transplantation-for-pulmonary-disease-associated-with-erdheim-chester-disease
#7
Kohei Hashimoto, Kentaroh Miyoshi, Hisao Mizutani, Shinji Otani, Seiichiro Sugimoto, Masaomi Yamane, Takahiro Oto
A 53-year-old man with pulmonary fibrosis associated with Erdheim-Chester disease achieved long-term survival after lung transplantation. Major clinical manifestations included lung and bone injuries, and other vital organs were functionally unaffected by the disease. After a careful observation for the disease progression, he underwent bilateral deceased-donor lung transplantation. He has returned to his normal social life and is doing well without recurrence of Erdheim-Chester disease in the lung allograft or progression in other organs 5 years after transplant...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28623079/restoration-of-articular-geometry-using-current-graft-options-for-large-glenoid-bone-defects-in-anterior-shoulder-instability
#8
Laurent B Willemot, Mohsen Akbari-Shandiz, Joaquin Sanchez-Sotelo, Kristin Zhao, Olivier Verborgt
PURPOSE: The purpose of this cadaveric study was to compare standard and modified coracoid transfer procedures, bicortical and tricortical iliac crest autografts, and tibial plafond and glenoid allografts with respect to glenoid surface curvature restoration. METHODS: Computed tomography scans of 8 cadaveric shoulders were acquired in 9 conditions: (1) intact, (2) 25% width defect, (3) classic Latarjet, (4) modified congruent-arc Latarjet, (5) tricortical iliac crest inner table, (6) outer table, (7) bicortical iliac crest, (8) distal tibia, and (9) glenoid allograft...
June 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28622184/does-age-influence-the-efficacy-of-demineralized-bone-matrix-enriched-with-concentrated-bone-marrow-aspirate-in-lumbar-fusions
#9
Remi M Ajiboye, Mark A Eckardt, Jason T Hamamoto, Akshay Sharma, Adam Z Khan, Jeffrey C Wang
STUDY DESIGN: Retrospective study. OBJECTIVE: Evaluate the effect of age on the efficacy of allograft/demineralized bone matrix (DBM) enriched with concentrated bone marrow aspirate (BMA) in posterolateral lumbar fusions (PLFs). SUMMARY OF BACKGROUND DATA: Cell-based therapies such as concentrated BMA have been developed as a potential alternative to iliac crest bone graft (ICBG). BMA contains mesenchymal stem cells (MSCs) and growth factors that can confer osteogenic and osteoinductive potential to osteoconductive scaffolds such as DBM/allograft...
June 15, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28619045/human-adipose-derived-mesenchymal-stem-cells-alleviate-obliterative-bronchiolitis-in-a-murine-model-via-ido
#10
Guoping Zheng, Guanguan Qiu, Menghua Ge, Jianping He, Lanfang Huang, Ping Chen, Wei Wang, Qi Xu, Yaoqin Hu, Qiang Shu, Jianguo Xu
BACKGROUND: Long-term survival of lung transplantation is hindered by the development of obliterative bronchiolitis (OB). Adipose-derived stem cells (ASCs) were documented to have more potent immunosuppressive ability than mesenchymal stem cells (MSCs) from bone marrow and placenta. The goal of our study is to evaluate the effect of repeated administration of ASCs on OB and the involvement of indoleamine 2,3-dioxygenase (IDO) mediating the protective effect of ASCs in a heterotopic tracheal transplantation (HTT) model...
June 15, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28616759/is-dual-semitendinosus-allograft-stronger-than-turndown-for-achilles-tendon-reconstruction-an-in-vitro-analysis
#11
Michael C Aynardi, Lara C Atwater, Roshan Melvani, Brent G Parks, Adrian G Paez, Stuart D Miller
BACKGROUND: Large Achilles tendon defects pose a treatment challenge. The standard treatment with a turndown flap requires a large extensile incision, puts the sural nerve at risk, and demands slow, careful rehabilitation. Dual allograft semitendinosus reconstruction is a new clinical alternative that has the theoretical advantages of a smaller incision, less dissection, and a stronger construct that may allow for faster rehabilitation. QUESTIONS/PURPOSES: In a cadaver biomechanical model, we compared the dual allograft semitendinosus reconstruction with the myofascial turndown in terms of (1) mechanical strength and resistance to deformation and (2) failure mechanisms in reconstruction of large segmental Achilles defects...
June 14, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28616220/impact-of-seasonality-on-the-dynamics-of-native-vitamin-d-repletion-in-long-term-renal-transplant-patients
#12
Oliver J Ziff, Hugo Penny, Sharon Frame, Antonia Cronin, David Goldsmith
Background: Renal transplant recipients (RTRs) are often Vitamin D (VitD) depleted as a result of both chronic kidney disease and mandated sun avoidance behaviours. Repleting VitD may be warranted, but how, and for how long, is unknown, as is the impact of seasonality on the success of repletion. We investigated the impact of seasonality on VitD status following VitD repletion in a large cohort of stable, long-term RTRs. Methods: Serum 25-hydroxyvitamin D [25(OH)D] concentrations and bone biochemistry parameters were analysed from 102 VitD repletion courses in 98 RTRs that had undergone VitD repletion...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28614276/wrist-arthrodesis-with-femoral-head-structural-allograft-after-failed-total-wrist-arthroplasty
#13
Louis C Grandizio, Steven Maschke
The failed total wrist arthroplasty represents a challenging reconstructive problem for the upper extremity surgeon. Bone loss, poor bone quality, and soft tissue defects all present technical challenges when considering revision procedures. Our purpose is to describe a technique for wrist arthrodesis after failed total wrist arthroplasty utilizing fresh-frozen femoral head allograft and dorsal plate fixation. We describe a simple method of allograft preparation for this procedure, as graft preparation and implantation can be time consuming and technically challenging...
June 13, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28614236/utilization-of-ring-shaped-bone-allograft-for-surgical-treatment-of-adolescent-post-tubercular-kyphosis-a-retrospective-study
#14
Xiang Yin, Peng Liu, Yao-Yao Liu, Wei-Li Fan, Bai-Yi Liu, Jian-Hua Zhao
This study aimed to investigate the mid-term outcome of ring-shaped bone allografts in the surgical treatment of adolescent post-tubercular kyphosis secondary to spinal tuberculosis.The records of adolescent patients diagnosed with spinal tuberculosis who received treatment in our department between 2009 and 2013 were retrospectively reviewed. The anterior approach was used in cases of cervical kyphosis and the posterior approach was used in cases of thoracic and lumbar kyphosis. During the surgery, the ring-shaped bone was used as a structural bone graft associated with the cancellous bone filing in the center portion of the ring shape...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28609498/treatment-of-a-mandibular-glandular-odontogenic-cyst-with-peripheral-ostectomy-bone-allograft-and-implant-reconstruction-a-case-report
#15
Christopher T Barth, John A Chamberlain, Jeffrey R Wessel
This article reports on a case of a glandular odontogenic cyst (GOC) in the posterior mandible of a 25-year-old male treated with peripheral ostectomy, bone allograft, and an implant-supported fixed dental prosthesis. During a routine 3-month postoperative visit, a radiograph suggested vertical bone loss on the implant in the location of the mandibular right first molar. The three-walled defect was surgically treated with debridement, bone allograft, and a membrane. Healing of this site has been uneventful...
July 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28607890/endoscopic-tympanoplasty-using-nasal-septal-cartilage-allograft
#16
N Ahilasamy, Badra Shanti, Sivaprakasam Rajasekaran
The purpose of the study was to analyze the morphological and functional outcomes in a series of 60 patients for whom Type I tympanoplasty was done using alcohol preserved nasal septal cartilage allograft through endoscopic permeatal route. The study was a prospective, interventional (surgical) study of 60 patients between October 2012 and September 2014. Patients were operated using 0°, 4 mm, 18 cm long Hopkin's rod endoscope through permeatal route. 70% ethyl alcohol preserved allogeneic nasal septal cartilage with thickness of around 0...
June 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28605001/determination-of-structural-femoral-head-allograft-viability-and-integrity-with-a-novel-diagnostic-tool-spect-ct-a-preliminary-study
#17
Kasım Kilicarslan, Nadir Yalcin, Vedat Bicici, Elif Ozdemir, Izzet Bingol, Seyda Turkolmez
OBJECTIVE: To evaluate the viability and integrity of fresh frozen bulk femoral head allografts obtained from the institutional bone bank that were used to reconstruct severe acetabular defects and to validate the SPECT/CT method which gives both anatomical and functional data for this purpose. METHODS: We retrospectively reviewed 9 patients (6 female, 3 male; mean age 63.6 years). Preoperative and postoperative leg lengths, existence of the Trendelenburg sign, range of motion of the hip, visual analogue score (VAS), Harris Hip Score (HHS) and any complication were assesed at each follow-up...
June 2, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28599980/generalized-hypermobility-knee-hyperextension-and-outcomes-after-anterior-cruciate-ligament-reconstruction-prospective-case-control-study-with-mean-6%C3%A2-years-follow-up
#18
Christopher M Larson, Asheesh Bedi, Mark E Dietrich, Jennifer C Swaringen, Corey A Wulf, David M Rowley, M Russell Giveans
PURPOSE: To determine whether generalized hypermobility and contralateral knee hyperextension affect failure rates and patient-related outcomes after anterior cruciate ligament reconstruction (ACLR). METHODS: A total of 226 consecutive patients presenting with acute ACL tears were prospectively evaluated for generalized hypermobility by a modified Beighton criteria. Minimum 2-year follow-up was achieved for 183 knees (81%). Patients underwent ACLR with either bone-patellar-tendon (BPTB) autograft (n = 46), quadrupled hamstring (HT) autograft (n = 85), or allograft tissue (n = 52)...
June 6, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28595799/revision-total-hip-arthroplasty-salvage-procedures-using-bone-allografts-in-japan
#19
Katsufumi Uchiyama, Gen Inoue, Naonobu Takahira, Masashi Takaso
Total hip arthroplasty (THA) and hemiarthroplasty have improved hip joint function of patients suffering from hip disease or trauma with excellent clinical results and long-term survivorship. Conversely, there has been an increase in the number of revision surgeries after THA and hemiarthroplasty due to bone deficiency. The reconstruction of deficient bone remains a challenging problem following THA. While performing revision surgery, we have previously classified the preoperative bone deficiency using X-ray, CT and three-dimensional CT imaging according to location and severity of the deficiencies...
June 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28594592/alveolar-ridge-preservation-using-allografts-and-dptfe-membranes-with-open-membrane-technique-in-unhealthy-extraction-sockets
#20
Gi-Beom Cheon, Kyung Lhi Kang, Mi-Kyung Yoo, Jeoung-A Yu, Dongwoon Lee
We evaluated the effectiveness of the open membrane technique using a high-density polytetrafluoroethylene (dPTFE) membrane with freeze-dried bone allografts (FDBA) in damaged sockets for alveolar ridge preservation (ARP). This retrospective study included 26 sites from 20 patients who had received ARP for the placement of dental implants. ARP was conducted using dPTFE membrane with allografts on the day of extraction without primary closure. When the membrane was removed after 4 weeks, the newly-formed reddish tissue at the grafted site was checked (1st outcome, clinical evaluation)...
June 8, 2017: Journal of Oral Implantology
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