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Soft tissue grafts

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https://www.readbyqxmd.com/read/28799106/chemical-sterilization-of-allograft-dermal-tissues
#1
Abigail Phipps, Edward Vaynshteyn, John B Kowalski, Manh-Dan Ngo, Karen Merritt, Joel Osborne, Evangelia Chnari
Common terminal sterilization methods are known to alter the natural structure and properties of soft tissues. One approach to providing safe grafts with preserved biological properties is the combination of a validated chemical sterilization process followed by an aseptic packaging process. This combination of processes is an accepted method for production of sterile healthcare products as described in ANSI/AAMI ST67:2011. This article describes the validation of the peracetic acid and ethanol-based (PAAE) chemical sterilization process for allograft dermal tissues at the Musculoskeletal Transplant Foundation (MTF, Edison, NJ)...
August 10, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28777920/complications-associated-with-the-use-of-recombinant-human-bone-morphogenic-protein-2-in-ridge-augmentation-a-case-report
#2
Panagiotis Dragonas, Charles Palin, Saba Khan, Praveen Gajendrareddy, Whitney Weiner
This case report aims to describe in detail a complication associated with resorption of regenerated bone following implant placement and ridge augmentation using rhBMP-2 in combination with allograft and xenograft. Bilateral maxillary sinus and ridge augmentation procedures were completed using rhBMP-2 combined with allograft and xenograft. Five months later, significant bone augmentation was achieved which allowed for the placement of 4 implants. Upon stage 2 surgery, significant dehiscence was noted in all implants...
August 4, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28777156/deep-transverse-metacarpal-ligament-reconstruction-using-suture-button-and-a1-pulley
#3
Joshua Piercey, Paul McEniery, Nicholas Green
Rupture of the deep transverse metacarpal ligament (DTML) can result in pain, impaired grip strength, and undermine functional performance of the hand. We describe the case of a patient whose right hand came into contact with a boat propeller. He sustained a complete disruption of the DTML between the second and third ray in addition to soft tissue injury and open metacarpal fractures. Although other techniques describe a reconstruction of the DTML, our technique describes an adjunctive technique that strongly augments the A1 pulley reconstruction and nullifies the requirements of palmaris longus graft...
August 3, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28767168/the-possibility-of-free-tissue-transfer-as-a-nutrient-flap-for-critical-ischemic-foot-a-case-report
#4
Kentaro Tanaka, Kimihiro Igari, Mitsuhiro Kishino, Satoshi Usami, Tsutomu Homma, Takahiro Toyofuku, Yoshinori Inoue, Mutsumi Okazaki
Microsurgical procedure of free tissue transfer in critical limb ischemia patients with large ulceration has already been established. The nutrient flap concept was that transferred tissue functioned not only to cover the skin defect but also as a supplementary blood supply to the ischemic lower leg. This report showed the justification for this concept, which was rarely discussed. A 58-year-old male patient with progressive forefoot gangrene caused by arteriosclerosis obliterans was presented. The distal bypass procedure was performed as revascularization surgery, and a latissimus dorsi (LD) myocutaneous flap was transplanted to cover ulceration...
August 2, 2017: Microsurgery
https://www.readbyqxmd.com/read/28764951/reconstruction-of-the-bony-chin-using-sagittal-split-osteotomies-of-the-remaining-mandible-a-new-technique-for-a-special-indication-case-report
#5
Berthold H Hell
There are several indications for resecting the bony chin, such as squamous cell carcinoma, sarcoma, or benign tumors of the jaw such as ameloblastoma. Several techniques for reconstruction of the bony chin, such as the use of metal plates and also revascularized free bone grafts of the iliac crest, fibula, or scapula, are common. In the case of poor vascular supply, however, alternative techniques may be necessary. In this report, a new technique is described using pedicled bone flaps from both sagittally split mandibular stumps following chin resection...
June 16, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28763623/the-effects-of-anterolateral-tenodesis-on-tibiofemoral-contact-pressures-and-kinematics
#6
Eivind Inderhaug, Joanna M Stephen, Hadi El-Daou, Andy Williams, Andrew A Amis
BACKGROUND: Anterolateral tenodeses are increasingly popular in combination with intra-articular anterior cruciate ligament reconstructions. Despite the perception of risk of overconstraint and lateral osteoarthritis, evidence is lacking regarding the effect of graft tensioning on knee kinematics and intra-articular compartmental joint pressures. PURPOSE: To investigate tibiofemoral joint contact pressures and kinematics related to an anterolateral lesion and the effectiveness of a MacIntosh tenodesis in restoring these when varying (1) graft tension and (2) tibial rotation during graft fixation...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28758294/periodontitis-facts-fallacies-and-the-future
#7
REVIEW
Jørgen Slots
This volume of Periodontology 2000 represents the 25th anniversary of the Journal, and uses the occasion to assess important advancements in periodontology over the past quarter-century as well as the hurdles that remain. Periodontitis is defined by pathologic loss of the periodontal ligament and alveolar bone. The disease involves complex dynamic interactions among active herpesviruses, specific bacterial pathogens and destructive immune responses. Periodontal diagnostics is currently based on clinical rather than etiologic criteria, and provides limited therapeutic guidance...
October 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28755830/-dermatofibrosarcoma-protuberans-surgical-margins-using-slow-mohs-micrographic-surgery-a-clinical-retrospective-study-about-20-cases
#8
C Verbruggen, A S Ricard, O Cogrel, M Bondaz, S Carrier
OBJECTIVES: The main objective of this study is to determine the necessary surgical margins to obtain a complete R0 resection for head and neck dermatofibrosarcoma protuberans (DFSP) using Slow-Mohs micrographic surgery. The secondary objective is to study the recurrence rate of these tumors. PATIENTS AND METHODS: Slow-Mohs micrographic surgery was used for patients included between 2005 and 2015 at Bordeaux universitary hospital. For each patient the age, the sex and death occurrence, the initial surgical margins, the surgical margins for complete R0 resection, the occurrence of local or general recurrence during follow-up were reported...
July 26, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28755164/-allogeneic-transplants-for-biological-reconstruction-of-bone-defects
#9
REVIEW
R Windhager, G M Hobusch, M Matzner
A combination of allogeneic and autologous bone transplants is frequently used for the biological reconstruction of bone defects. Autologous bone transplants can be used either in the form of structural or cancellous bone transplants. The osteogenic potential of autologous cancellous bone is well-known and is still the gold standard with respect to osteoinduction and remodelling. Structural transplants, such as fibular and tricortical iliac crest grafts can be transplanted either free, i.e. non-vascularized or vascularized with anastomosed vessels...
August 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28753228/use-of-arterialized-saphenous-vein-venous-flow-through-flaps-as-a-temporizing-measure-for-hand-salvage-in-contaminated-wounds-presenting-with-limb-ischemia-a-case-series
#10
Julian Diaz-Abele, Bauback Safa, Rudolf F Buntic, Avinash Islur
BACKGROUND: Vascular injuries resulting in limb ischemia are traditionally treated acutely with autologous or prosthetic bypass grafts. Traumatic contaminated injuries with soft tissue and vascular segmental loss are challenging as prosthetic bypasses are at risk of erosion, infection, and occlusion; and autologous bypasses are at risk of desiccation, blow-out, infection, and clotting. We propose a novel approach to these injuries by using arterialized saphenous vein venous flow-through free flaps (S-VFTF) as an autologous bypass, and present the results of its application in a series of cases...
July 28, 2017: Microsurgery
https://www.readbyqxmd.com/read/28750132/association-of-skin-thickness-with-alar-base-reduction-in-patients-undergoing-lateral-crural-repositioning-and-strut-grafting
#11
A Emre Ilhan, Tevfik Sozen, Basak Caypinar Eser, Betul Cengiz
Importance: Knowing the operation plan is important for rhinoplasty surgeons to prevent unpredictable results. Objectives: To investigate the frequency of alar base resection in patients with different skin thickness who underwent lateral crural repositioning and lateral crural strut graft and to evaluate the results in the context of the current literature. Design, Setting, and Participants: This retrospective case series study included 621 patients who underwent primary open septorhinoplasty by the same surgeon between January 1, 2012, and June 30, 2015...
July 27, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28748521/clinical-outcome-of-alveolar-ridge-augmentation-with-individualized-cad-cam-produced-titanium-mesh
#12
K Sagheb, E Schiegnitz, M Moergel, C Walter, B Al-Nawas, W Wagner
BACKGROUND: The augmentation of the jaw has been and continues to be a sophisticated therapy in implantology. Modern CAD-CAM technologies lead to revival of old and established augmentation techniques such as the use of titanium mesh (TM) for bone augmentation. The aim of this retrospective study was to evaluate the clinical outcome of an individualized CAD-CAM-produced TM based on the CT/DVT-DICOM data of the patients for the first time. METHODS: In 17 patients, 21 different regions were augmented with an individualized CAD-CAM-produced TM (Yxoss CBR®, Filderstadt, Germany)...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28748489/hamstring-autograft-maturation-is-superior-to-tibialis-allograft-following-anatomic-single-bundle-anterior-cruciate-ligament-reconstruction
#13
Sang-Gyun Kim, Soo-Hyun Kim, Jae-Gyoon Kim, Ki-Mo Jang, Hong-Chul Lim, Ji-Hoon Bae
PURPOSE: Using second-look arthroscopy, graft maturation was investigated and compared between hamstring (HA) autografts and tibialis anterior (TA) allografts after anatomic single-bundle anterior cruciate ligament reconstruction (ACLR). METHODS: Fifty-six patients who underwent second-look arthroscopy after anatomic single-bundle ACLR with either HA autografts (26, HA group) or TA allografts (30, TA group) from 2007 to 2016 were retrospectively reviewed. Graft maturation on second-look arthroscopy was evaluated in terms of four parameters: graft integrity (tear), synovial coverage, graft tension, and graft vascularization...
July 26, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28746272/extended-transconjunctival-lower-eyelid-blepharoplasty-with-release-of-the-tear-trough-ligament-and-fat-redistribution
#14
Chin-Ho Wong, Bryan Mendelson
BACKGROUND: The transconjunctival lower eyelid blepharoplasty is advantageous for its quick recovery and low complication rates. Conventional techniques rely on fat removal to contour the lower eyelid. This article describes the authors' extended transconjunctival lower eyelid blepharoplasty technique that takes dissection beyond the orbital rim to address aging changes on the midcheek. METHODS: From December of 2012 to December of 2015, 54 patients underwent this procedure...
August 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28745027/histologic-and-histomorphometric-assessment-of-sinus-floor-augmentation-with-beta-tricalcium-phosphate-alone-or-in-combination-with-pure-platelet-rich-plasma-or-platelet-rich-fibrin-a-randomized-clinical-trial
#15
Songül Cömert Kılıç, Metin Güngörmüş, Seçil Nazife Parlak
BACKGROUND: The potential effects of adding pure platelet-rich plasma (P-PRP) or platelet-rich fibrin (PRF) to beta-tricalcium phosphate (β-TCP) graft substitute on bone formation and regeneration after maxillary sinus-floor elevation remains unclear. PURPOSE: To compare the histologic and histomorphometric outcomes of maxillary sinus-floor augmentation among β-TCP alone, P-PRP-mixed β-TCP, and PRF-mixed β-TCP. MATERIAL AND METHODS: In this randomized clinical trial, elevated sinus cavities were grafted with β-TCP (the control group), P-PRP-mixed β-TCP (the P-PRP group), and PRF-mixed β-TCP (PRF group)...
July 26, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28744609/-autologous-fibula-transplantation-for-reconstruction-of-bone-defects
#16
REVIEW
U Lenze, F Pohlig, C Knebel, F Lenze, N Harrasser, H Mühlhofer, A Toepfer, H Rechl, R von Eisenhart-Rothe
The reconstruction of large bone defects following tumor resection, trauma or infection is difficult and subject to individual preferences of each surgeon. Free autologous fibula grafts are a reliable biological treatment method, whereas both a vascularised and a non-vascularised transplantation is possible. The use of either treatment option - vascularised or non-vascularised - is accompanied by individual advantages and/or disadvantages that should be taken into consideration during the preoperative planning process...
August 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28744608/-reconstruction-of-osseous-defects-using-the-masquelet-technique
#17
REVIEW
F Saxer, H Eckardt
The Masquelet procedure or induced membrane technique presents a treatment option for relatively large osseous defects, e.g. after trauma, tumour resection or osteomyelitis even in the presence of unfavourable soft tissues. Initially developed at the end of the last century by the French surgeon Masquelet, the technique relies on a bioactive membrane that forms a foreign body reaction around a cement spacer. This spacer is implanted in the residual defect after rigorous debridement of bone and soft tissue during a first-stage procedure...
August 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28740330/soft-tissue-molding-technique-in-cleft-lip-and-palate-patient-using-laser-surgery-in-combination-with-orthodontic-appliance-a-case-report
#18
Pornpat Theerasopon, Tasanee Wangsrimongkol, Sajee Sattayut
BACKGROUND: Although surgical treatment protocols for cleft lip and palate patients have been established, many patients still have some soft tissue defects after complete healing from surgical interventions. These are excess soft tissue, high attached fraena and firmed tethering scares. These soft tissue defects resulted shallowing of vestibule, restricted tooth movement, compromised periodontal health and trended to limit the maxillary growth. The aim of this case report was to present a method of correcting soft tissue defects after conventional surgery in cleft lip and palate patient by using combined laser surgery and orthodontic appliance...
March 31, 2017: Laser Therapy
https://www.readbyqxmd.com/read/28739320/immediate-implant-placement-into-posterior-sockets-with-or-without-buccal-bone-dehiscence-defects-a-retrospective-cohort-study
#19
Chen Hu, Ting Gong, Weimin Lin, Quan Yuan, Yi Man
OBJECTIVES: To evaluate bone reconstruction and soft tissue reactions at immediate implants placed into intact sockets and those with buccal bone dehiscence defects. METHODS: Fifty-nine internal connection implants from four different manufacturers were immediately placed in intact sockets(non-dehiscence group, n=40), and in alveoli with buccal bone dehiscence defects: 1) Group 1(n= N10), the defect depth measured 3-5 mm from the gingival margin. 2) Group 2(n=9), the depth ranged from 5mm to 7mm...
July 21, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28737562/dynamic-cleft-maxillary-orthopedics-and-periosteoplasty-25-patients-25-years
#20
Frederick N Lukash, Lauren B Shikowitz-Behr, Michael Schwartz, Frank Tuminelli
In 1985 this cleft team, dissatisfied with the treatment and results from cleft lip and palate repair, began a longitudinal long-term study using dynamic maxillary orthopedics and periosteoplasty as was originally described by Drs Millard and Latham. All cases were carefully documented through adolescence, including clinical assessments, orthodontic, radiographic, and cephalometric analyses. In 1998, in this journal, we published our data on 35 complete unilateral and 10 complete bilateral cleft patients. At that time facial growth was following normal cephalometric patterns...
July 22, 2017: Annals of Plastic Surgery
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