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Autograft

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https://www.readbyqxmd.com/read/28434037/open-capsular-and-ligament-reconstruction-with-semitendinosus-hamstring-autograft-successfully-controls-superior-and-posterior-translation-for-type-v-acromioclavicular-joint-dislocation
#1
Raffaele Garofalo, Enrico Ceccarelli, Alessandro Castagna, Vittorio Calvisi, Brody Flanagin, Marco Conti, Sumant G Krishnan
PURPOSE: Appropriate surgical management for type V complete acromioclavicular (AC) joint dislocation remains controversial. The purpose of this paper is to retrospectively report the clinical and radiographic outcomes of an open surgical technique consisting for AC joint ligamentous and capsular reconstruction using autologous hamstring tendon grafts and semi-permanent sutures. METHODS: Between January 2005 and December 2011, 32 consecutive patients with symptomatic type V complete AC joint dislocation underwent surgical treatment using the same technique...
April 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28428609/socket-preservation
#2
L Fee
Socket preservation maintains bone volume post-extraction in anticipation of an implant placement or fixed partial denture pontic site. This procedure helps compensate for the resorption of the facial bone wall. Socket preservation should be considered when implant placement needs to be delayed for patient or site-related reasons. The ideal healing time before implant placement is six months. Socket preservation can reduce the need for later bone augmentation. By reducing bone resorption and accelerating bone formation it increases implant success and survival...
April 21, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28426251/current-concepts-of-the-anterolateral-ligament-of-the-knee-anatomy-biomechanics-and-reconstruction
#3
Matthew J Kraeutler, K Linnea Welton, Jorge Chahla, Robert F LaPrade, Eric C McCarty
In 1879, Paul Segond described an avulsion fracture (now known as a Segond fracture) at the anterolateral proximal tibia with the presence of a fibrous band at the location of this fracture. Although references to this ligament were occasionally made in the anatomy literature after Segond's discovery, it was not until 2012 that Vincent et al named this ligament what we know it as today, the anterolateral ligament (ALL) of the knee. The ALL originates near the lateral epicondyle of the distal femur and inserts on the proximal tibia near Gerdy's tubercle...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28426158/a-novel-technique-for-decellularization-of-allogenic-nerves-and-in-vivo-study-of-their-use-for-peripheral-nerve-reconstruction
#4
F Boriani, N Fazio, C Fotia, L Savarino, N Nicoli Aldini, L Martini, N Zini, M Bernardini, N Baldini
Autografts represent the gold standard for peripheral nerve reconstruction but their limited availability, the discrepancy of nerve caliber and long surgical times are drawbacks. Allografts have therefore become a valid alternative option. In particular, acellular nerve allografts (ANAs) rather than fresh allografts do not need immunosuppression and appear to be safe and effective based on recent studies. An innovative method was conceived to obtain ANAs, so as to speed up nerve decellularization, without compromising nerve architecture, and without breaking the asepsis chain...
April 20, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28425251/evaluation-of-plantar-pressure-distributions-in-patients-with-anteriorcruciate-ligament-deficiency-preoperative-and-postoperative-changes
#5
Engin Çetin, Mehmet Ali Deveci, Murat Songür, Hamza Özer, Sacit Turanli
BACKGROUND/AIM: Anterior cruciate ligament (ACL) deficiency results in several kinematic changes in the lower extremities. The aim of this study is to define the plantar pressure parameters in ACL-deficient patients and to show the effect of ACL reconstruction on dynamic plantar pressure. MATERIALS AND METHODS: Forty patients with unilateral ACL rupture and 40 healthy controls were included in this study. Dynamic plantar pressures of both groups were recorded by the EMED SF-2 system during level walking...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28423561/dermis-acellular-dermal-matrix-and-fibroblasts-from-different-layers-of-pig-skin-exhibit-different-profibrotic-characteristics-evidence-from-in-vivo-study
#6
Yanhai Zuo, Shuliang Lu
To explore the profibrotic characteristics of the autografted dermis, acellular dermal matrix, and dermal fibroblasts from superficial/deep layers of pig skin, 93 wounds were established on the dorsa of 7 pigs. 72 wounds autografted with the superficial/deep dermis and acellular dermal matrix served as the superficial/deep dermis and acellular dermal matrix group, respectively, and were sampled at 2, 4, and 8 weeks post-wounding. 21 wounds autografted with/without superficial/deep dermal fibroblasts served as the superficial/deep dermal fibroblast group and the control group, respectively, and were sampled at 2 weeks post-wounding...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422902/evaluation-of-the-osteoinductive-effect-of-pdgf-bb-associated-with-different-carriers-in-bone-regeneration-in-bone-surgical-defects-in-rats
#7
Júlio César Silva de Oliveira, Roberta Okamoto, Celso Koogi Sonoda, Wilson Roberto Poi, Idelmo Rangel Garcia Júnior, Eloá Rodrigues Luvizuto
PURPOSE: Extensive bone defects in maxillofacial region can be corrected with autograft. However the disadvantages of this type of therapy lead to the search for new bone substitutes. Thus, we evaluated the biological behavior and osteoinductive platelet-derived growth factor type BB (PDGF-BB) associated with different carriers, by histological analysis and immunohistochemical histometric critical defects performed in rat calvaria. MATERIALS AND METHODS: Critical defects were created with 5-mm diameter calvaria of rats...
April 18, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28421195/role-of-demyelination-efficiency-within-acellular-nerve-scaffolds-during-nerve-regeneration-across-peripheral-defects
#8
Meiqin Cai, Tengchao Huang, Bo Hou, Ying Guo
Hudson's optimized chemical processing method is the most commonly used chemical method to prepare acellular nerve scaffolds for the reconstruction of large peripheral nerve defects. However, residual myelin attached to the basal laminar tube has been observed in acellular nerve scaffolds prepared using Hudson's method. Here, we describe a novel method of producing acellular nerve scaffolds that eliminates residual myelin more effectively than Hudson's method through the use of various detergent combinations of sulfobetaine-10, sulfobetaine-16, Triton X-200, sodium deoxycholate, and peracetic acid...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28419816/high-rate-of-osteoarthritis-after-osteochondritis-dissecans-fragment-excision-compared-with-surgical-restoration-at-a-mean-16-year-follow-up
#9
Thomas L Sanders, Ayoosh Pareek, Mitchel R Obey, Nicholas R Johnson, James L Carey, Michael J Stuart, Aaron J Krych
BACKGROUND: Osteochondritis dissecans (OCD) is a disorder of subchondral bone that causes adverse effects on the overlying cartilage and commonly affects the knee. The incidence of OCD and its long-term effect on the knee joint are controversial. Hypothesis/Purpose: The purpose of this study was to (1) evaluate the rate of osteoarthritis and knee arthroplasty in a population-based cohort of patients with OCD lesions treated operatively and (2) evaluate factors that may predispose patients to knee osteoarthritis and arthroplasty...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28419808/outcomes-after-1-stage-versus-2-stage-revision-anterior-cruciate-ligament-reconstruction
#10
Justin J Mitchell, Jorge Chahla, Chase S Dean, Mark Cinque, Lauren M Matheny, Robert F LaPrade
BACKGROUND: Revision anterior cruciate ligament reconstruction (ACLR) is becoming increasingly common as the number of primary ACLR cases continues to rise. Despite this, there are limited data on the outcomes of revision ACLR and even less information specifically addressing the differences in 1-stage revision reconstruction versus those performed in a 2-stage fashion after primary reconstruction. PURPOSE: To compare the outcomes, patient satisfaction, and failure rates of 1-stage versus 2-stage revision ACLR...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28416462/clinical-assessment-of-115-cases-of-hindfoot-fusion-with-two-different-types-of-graft-allograft-dbm-bone-marrow-aspirate-versus-autograft-dbm
#11
Mathias Tricot, Paul-André Deleu, Christine Detrembleur, Thibaut Leemrijse
INTRODUCTION: Nonunion is a common complication (15%) of hindfoot and ankle arthrodesis. Autograft can improve the fusion rate because of its osteoconductive, osteoinductive and osteogenic properties. However, autograft harvesting is a source of morbidity. One alternative is to combine allograft with demineralized bone matrix (DBM) and iliac bone marrow aspirate (BMA). This combination graft has similar biological properties to healthy bone. When used alone, allograft has osteoconductive and sometimes structural properties...
April 14, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28413129/return-to-play-after-osteochondral-autograft-transplantation-of-the-capitellum-a-systematic-review
#12
REVIEW
Jacob M Kirsch, Jared R Thomas, Moin Khan, Whitney A Townsend, Jeffrey N Lawton, Asheesh Bedi
PURPOSE: To determine the rate of return to play and to identify lesion or osteochondral graft characteristics that may influence the return to competitive athletics after osteochondral autograft transplantation (OAT) for symptomatic osteochondritis dissecans (OCD) lesions. METHODS: A systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. A duplicate search of PubMed, Embase, Scopus, Web of Science, and CENTRAL databases was performed, beginning from the database inception dates through July 2016, for all articles evaluating the return to play after OAT for OCD lesions of the capitellum...
April 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28409105/anatomic-single-bundle-anterior-cruciate-ligament-reconstruction-using-the-modified-transtibial-technique
#13
Dhong Won Lee, Jin Goo Kim
We present a technique for anterior cruciate ligament (ACL) reconstruction using hamstring tendon autograft with a modified transtibial technique. Our modified transtibial technique has the advantages of the conventional transtibial technique that is familiar to surgeons and that allows the press-fit fixing and enables us to make a relatively long femoral tunnel. To make the femoral tunnel at the anatomic position, the triangular, funnel-shaped bony trough was made to slip the eccentrically positioned guide pin into the anticipated anatomic center with a free-hand technique after marking the anatomic ACL footprint using a microfracture awl through the anteromedial portal...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28408376/a-comparative-study-of-tissue-engineered-constructs-from-acropora-and-porites-coral-in-a-large-animal-bone-defect-model
#14
A Decambron, M Manassero, M Bensidhoum, B Lecuelle, D Logeart-Avramoglou, H Petite, V Viateau
OBJECTIVES: To compare the therapeutic potential of tissue-engineered constructs (TECs) combining mesenchymal stem cells (MSCs) and coral granules from either Acropora or Porites to repair large bone defects. MATERIALS AND METHODS: Bone marrow-derived, autologous MSCs were seeded on Acropora or Porites coral granules in a perfusion bioreactor. Acropora-TECs (n = 7), Porites-TECs (n = 6) and bone autografts (n = 2) were then implanted into 25 mm long metatarsal diaphyseal defects in sheep...
April 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28408254/midterm-outcomes-of-bone-grafting-in-glenoid-defects-treated-with-reverse-shoulder-arthroplasty
#15
Yaiza Lopiz, Carlos García-Fernández, Alvaro Arriaza, Belen Rizo, Hector Marcelo, Fernando Marco
BACKGROUND: Large glenoid defects are a difficult reconstructive problem for shoulder surgeons. The purpose of this study was to determine the complications, rate of healing, and functional results of glenoid bone grafting in primary or revision surgery with reverse shoulder arthroplasty. METHODS: We retrospectively reviewed 23 patients with glenoid bone loss who underwent primary or revision surgery using a glenoid bone graft with a minimum follow-up of 2 years...
April 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28407620/outcome-of-allo-simple-limbal-epithelial-transplantation-alloslet-in-the-early-stage-of-ocular-chemical-injury
#16
Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal, Anil Tarigopula
PURPOSE: To analyse the outcome of allo simple limbal epithelial transplantation (alloSLET) in eyes in the early stage following ocular chemical injury to achieve rapid epithelialisation. PATIENTS AND METHODS: Records of 18 eyes of 17 patients who underwent alloSLET between April 2013 and Jan 2016 were analysed retrospectively. Patients with grade 4 or worse Dua's classification for chemical injury, who presented within a month of the injury or with a non-healing epithelial defect since the injury despite earlier medical or surgical interventions, were included in the study...
October 8, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28406876/cartilage-restoration-techniques-for-the-patellofemoral-joint
#17
Robert H Brophy, Robert D Wojahn, Joseph D Lamplot
Symptomatic osteochondral lesions of the patellofemoral joint are clinically challenging to manage because of the limited healing potential of articular cartilage; the complex morphology of the patellofemoral joint; the heterogeneity of the articular surface between patients; and high stresses across the joint, which can be altered by malalignment, tilt, or maltracking. Indications for surgery include traumatic lesions, osteochondritis dissecans, and high-grade chondromalacia in association with persistent pain despite a course of nonsurgical management...
May 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28406800/simple-limbal-epithelial-transplantation
#18
Virender S Sangwan, John A H Sharp
PURPOSE OF REVIEW: Simple limbal epithelial transplant (SLET) is a technique for addressing limbal stem cell deficiency. Limbal tissue from a donor eye, typically the patient's fellow healthy eye, is transplanted onto an amniotic membrane attached to the surface of the diseased eye. SLET was developed to address limitations of other techniques. Specifically, the technical difficulty of ex-vivo expansion of cells required in some techniques and the larger amount of valuable limbal tissue harvested in techniques not relying on ex-vivo expansion...
April 12, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28404457/nerve-injury-during-anterior-cruciate-ligament-reconstruction-a-comparison-between-patellar-and-hamstring-tendon-grafts-harvest
#19
Barak Haviv, Shlomo Bronak, Ehud Rath, Mustafa Yassin
BACKGROUND: Tendon harvesting for anterior cruciate ligament reconstruction often injures sensory branches of the saphenous nerve. The reports on the prevalence of these injuries are scarce, while the implications on patient satisfaction are not known. Our objective was to compare the prevalence of sensory nerve injuries in patellar to hamstring autograft harvesting for anterior cruciate ligament reconstructions and follow up their postoperative course. METHODS: Between 2012 and 2014, patients who had a primary anterior cruciate ligament reconstruction with bone patellar tendon bone or hamstring autografts were included (n=94)...
April 9, 2017: Knee
https://www.readbyqxmd.com/read/28402758/the-graft-bending-angle-can-affect-early-graft-healing-after-anterior-cruciate-ligament-reconstruction-in-vivo-analysis-with-2-years-follow-up
#20
Yasutaka Tashiro, Tom Gale, Vani Sundaram, Kanto Nagai, James J Irrgang, William Anderst, Yasuharu Nakashima, Scott Tashman, Freddie H Fu
BACKGROUND: A high graft bending angle (GBA) after anterior cruciate ligament (ACL) reconstruction has been suggested to cause stress on the graft. Nevertheless, evidence about its effect on graft healing in vivo is limited. HYPOTHESIS: The signal intensity on magnetic resonance imaging (MRI) would be higher in the proximal region of the ACL graft, and higher signals would be correlated to a higher GBA. STUDY DESIGN: Descriptive laboratory study...
April 1, 2017: American Journal of Sports Medicine
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