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https://www.readbyqxmd.com/read/28654968/association-of-electrochemical-therapy-with-optical-mechanical-and-acoustic-impedance-properties-of-porcine-skin
#1
Wesley J Moy, Erica Su, Jason J Chen, Connie Oh, Joe C Jing, Yueqiao Qu, Youmin He, Zhongping Chen, Brian J F Wong
Importance: The classic management of burn scars and other injuries to the skin has largely relied on soft-tissue transfer to resurface damaged tissue with local tissue transfer or skin graft placement. In situ generation of electrochemical reactions using needle electrodes and an application of current may be a new approach to treat scars and skin. Objective: To examine the changes in optical, mechanical, and acoustic impedance properties in porcine skin after electrochemical therapy...
June 22, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28654599/predictors-of-autologous-free-fat-graft-retention-in-the-management-of-craniofacial-contour-deformities
#2
Rafael Denadai, Cesar Augusto Raposo-Amaral, Andre Silveira Pinho, Thais Miguel Lameiro, Celso Luiz Buzzo, Cassio Eduardo Raposo-Amaral
BACKGROUND: Autologous free fat graft outcomes are not always predictable, and variables that can potentially influence fat graft retention are still not well understood or investigated. The purposes of this study were to assess fat graft retention in the management of craniofacial contour deformities and to identify possible predictive factors of this retention. METHODS: A prospective analysis was conducted using consecutive patients with unilateral craniofacial contour deformities who underwent autologous free fat grafting between 2012 and 2015...
July 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28654592/preventing-soft-tissue-triangle-collapse-in-modern-rhinoplasty
#3
Carey F Campbell, Ronnie A Pezeshk, Deniz S Basci, Jack F Scheuer, David A Sieber, Rod J Rohrich
The unique anatomy of the soft-tissue triangle makes it prone to notching in primary, secondary, and reconstructive rhinoplasty. Understanding the anatomy of the region is critical to appropriate treatment. This article is meant to further clarify the anatomy of the soft-tissue triangle and to present the senior author's (R.J.R.) approach to proactive correction and prevention of soft-tissue triangle notching through five key steps: (1) precise dissection and incision placement, (2) providing internal support with cartilage grafting if needed, (3) closure of dead space, (4) avoiding undue tension during closure, and (5) providing external support postoperatively...
July 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28653055/the-application-of-rapid-prototyping-to-improve-bone-reconstruction-in-immediate-dentoalveolar-restoration-a-case-report
#4
José Carlos Martins da Rosa, Marcos Alexandre Fadanelli, Diego Zimmerman, Ariádene Cristina Pértile de Oliveira Rosa
PURPOSE: This article describes the use of rapid prototyping (RP) for diagnosis, planning, and execution of the reconstruction of hard and soft tissue in socket defects using immediate dentoalveolar restoration (IDR). SUMMARY: In cases of tissue loss in anterior dental areas, esthetic rehabilitation poses a major challenge with respect to treatment planning with the goal of long-term tissue maintenance. The IDR technique consists of immediate reconstruction in a single procedure of bone and soft tissue around implants placed immediately after extraction, and prosthetic rehabilitation...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28650136/platform-switching-and-super-short-implants-an-effective-technique-to-manage-residual-jaws-bone-volume
#5
Graziano Montaruli, Michele Laurenziello, Lucio Lo Russo, Luigi Laino, Lorenzo Lo Muzio, Domenico Ciavarella
INTRODUCTION: Authors describe and analyze an implant-prosthetic rehabilitation of posterior partially edentulous jaw by using a super-short implant, according to the platform switching technique, on which a lithium disilicate made crown was cemented. METHODS: One event of partially edentulous jaw in 2.6 region needing implant-prosthetic rehabilitationwas selected for this treatment. Because of the lack of vertical bone, a super-short implant (6mm in diameter and 6mm in length) has been placed according to the platform switching technique by using surgical and prosthetic components lower in diameter compared to the diameter of the implant's platform...
June 23, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28644208/shake-it-off-a-randomized-pilot-study-of-the-effect-of-whole-body-vibration-on-pain-in-healing-burn-wounds
#6
Juliet J Ray, Angel D Alvarez, Sondra L Ulbrich, Sharon Lessner-Eisenberg, Shevonne S Satahoo, Jonathan P Meizoso, Charles A Karcutskie, Leela S Mundra, Nicholas Namias, Louis R Pizano, Carl I Schulman
Whole body vibration (WBV) has been shown to improve strength in extremities with healed burn wounds. We hypothesize that WBV reduces pain during rehabilitation compared to standard therapy alone. Patients with ≥1% TBSA burn to one or more extremities from October 2014 to December 2015 were randomized to vibration (VIBE) or control. Each burned extremity was tested separately within the assigned group. Patients underwent one to three therapy sessions (S1, S2, S3) consisting of five upper and/or lower extremity exercises with or without WBV...
July 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28644107/gingival-perfusion-and-tissue-biomarkers-during-early-healing-of-post-extraction-regenerative-procedures-a-prospective-case-series
#7
Lamees Alssum, Timothy D Eubank, Sashwati Roy, Barbaros S Erdal, Vedat O Yildiz, Dimitris N Tatakis, Binnaz Leblebicioglu
BACKGROUND: Post-extraction alveolar bone loss, mostly affecting the buccal plate, occurs despite regenerative procedures. To better understand possible determinants, this prospective case series assessed gingival blood perfusion and tissue molecular responses in relation to post-extraction regenerative outcomes. METHODS: Adults scheduled to receive bone grafting in maxillary, non-molar, single tooth extraction site were recruited. Clinical documentation included probing pocket depth (PD), keratinized tissue width (KT), tissue biotype (TB), plaque (P) and bleeding...
June 23, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28642188/costal-graft-as-a-support-for-bone-regeneration-after-mandibular-juvenile-ossifying-fibroma-resection-an-unusual-case-report
#8
F Fauvel, R Pace, F Grimaud, F Marion, P Corre, B Piot
Spontaneous regeneration of bone tissue after mandibular resection is rare in adults, although it does often take place in children. Periosteum conservation appears to play a major role in this healing process. We here report regarding a 5-year-old boy who exhibited a large mandibular trabecular juvenile ossifying fibroma. The lesion was treated by mandibulectomy, with careful preservation of the periosteal layer and immediate reconstruction with a costal graft by an intra-oral approach. Monitoring over the course of a year revealed spontaneous mandibular regeneration, and it allowed for a series of measurements of the graft to be made...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28634845/histomorphometric-and-immunohistochemical-evaluation-of-collagen-containing-xenogeneic-bone-blocks-used-for-lateral-bone-augmentation-in-staged-implant-placement
#9
Alberto Ortiz-Vigón, Sergio Martinez-Villa, Iñaki Suarez, Fabio Vignoletti, Mariano Sanz
BACKGROUND: The osteoconductive properties of collagen containing xenogeneic bone blocks (CCXBB) remain unclear. The aim of this prospective single-arm clinical study was to assess the histological outcomes of CCXBB blocks used as bone replacement grafts for lateral bone augmentation procedures. METHODS: In 15 patients with severe horizontal alveolar ridge resorption, lateral augmentation procedures were performed using CCXBB as bone replacement grafts. Twenty-six weeks postoperatively, a re-entry procedure was performed to evaluate the bone width for adequate implant placement and two histological specimens were retrieved from each patient, one being processed for ground sectioning and the other for decalcified paraffin-included sections...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28623079/restoration-of-articular-geometry-using-current-graft-options-for-large-glenoid-bone-defects-in-anterior-shoulder-instability
#10
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/28623062/salvage-of-the-foot-for-recurrent-malignant-peripheral-nerve-sheath%C3%A2-tumor
#11
Meletis Rozis, Eustratios Papadelis, Andreas Mavrogenis, Spyridon Koufos, Vasilios Polyzois, Spyros Pneumaticos
Malignant peripheral nerve sheath tumors are rare soft tissue tumors accounting for 3% to 10% of all soft tissue tumors. They are strongly related to neurofibromatosis type 1, an autosomal dominant disease, and are characterized by aggressive biologic behavior, high local recurrence rates, and frequent metastases. Although the major nerves of the lower extremities are a common location of these tumors, scarce cases have been reported of malignant peripheral nerve sheath tumors involving the interdigital nerves of the foot...
June 13, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28614276/wrist-arthrodesis-with-femoral-head-structural-allograft-after-failed-total-wrist-arthroplasty
#12
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/28609493/vestibuloplasty-with-retroauricular-skin-grafts-for-dental-implant-rehabilitation-in-vascularized-fibula-grafts-two-case-reports
#13
Metin Sencimen, Aydin Gulses, Altan Varol, Mustafa Ayna, Jölide Ozen, Necdet Dogan, Yahya Açil
The aim of this study was to present the use of retroauricular full-thickness skin grafts in vestibuloplasty surgeries for dental implant rehabilitation in vascularized fibula grafts. Two patients underwent mandibular reconstruction with vascularized fibula grafts due to mandibular gunshot injuries. Inadequate sulcus gaps secondary to mandibular soft tissue deficiencies were managed by full-thickness autologous skin grafts harvested from the retroauricular region. Dental rehabilitation was achieved by implants placed in free fibula grafts...
July 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28604553/flow-through-free-fibula-osteocutaneous-flap-in-reconstruction-of-tibial-bone-soft-tissue-and-main-artery-segmental-defects
#14
Zonghuan Li, Aixi Yu, Baiwen Qi, Zhenyu Pan, Junhui Ding
OBJECTIVE: The aim of this report was to present the use of flow-through free fibula osteocutaneous flap for the repair of complex tibial bone, soft tissue, and main artery segmental defects. PATIENTS AND METHODS: Five patients with bone, soft tissue, and segmental anterior tibial artery defects were included. The lengths of injured tibial bones ranged from 4 to 7 cm. The sizes of impaired soft tissues were between 9 × 4 and 15 × 6 cm. The lengths of defect of anterior tibial artery segments ranged from 6 to 10 cm...
June 9, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28604551/the-periosteal-medial-femoral-condyle-free-flap-a-new-option-for-soft-tissue-reconstruction-of-the-distal-lower-extremity
#15
Noah H Saad, Matthew E Pontell, Brian S Winters, Joseph Daniel, Adam Saad
BACKGROUND: Small (<30 cm) soft tissue defects of the distal leg, foot, and ankle pose a complicated issue with regard to wound healing. Multiple flaps have been proposed for reconstruction of these wounds with varying levels of success. The medial femoral condyle flap is a free bone flap supplied by the descending geniculate artery. It is currently used in the treatment of fracture nonunion, infected bone defects, avascular necrosis, and osteoradionecrosis. This study proposes the use of the periosteal portion of the medial femoral condyle (PMFC) flap for soft tissue reconstruction of the distal leg, foot, and ankle...
June 9, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28604223/soft-tissue-enhancement-combined-with-biologically-oriented-preparation-technique-bopt-to-correct-volumetric-bone-defects-a-clinical-case-report
#16
Davide Rancitelli, Pierpaolo Poli, Marco Cicciù, Francesco Lini, Rachele Roncucci, Gabriele Cervino, Carlo Maiorana
The aim of the present case report was to illustrate how to obtain an ideal alveolar ridge contour by means of peri-implant soft tissues management combined with the prosthetic approach of the biologically oriented preparation technique (BOPT). A patient presenting a moderate vertical and horizontal bone loss in the posterior maxilla was treated with sinus floor elevation and contextual implant placement. During the re-entry procedure, the horizontal defect was corrected with an apically repositioned flap combined with a connective tissue graft...
June 12, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28600588/-open-reduction-and-internal-fixation-of-lateral-tibial-plateau-fractures-with-free-subchondral-2-7%C3%A2-mm-screws
#17
M Reul, F Johnscher, S Nijs, H Hoekstra
OBJECTIVES: Exact reconstruction of the depressed articular surface and stable subchondral fixation of the lateral tibial plateau (ORIF, "open reduction and internal fixation"). INDICATIONS: Tibial plateau fractures with involvement of the lateral column and depression of the articular surface. CONTRAINDICATIONS: Critical soft tissue. Severe osteoporosis. SURGICAL TECHNIQUE: Supine position, classical anterolateral approach, lateral submeniscal arthrotomy, visualisation of the fracture, osteotomy of the lateral tibial condyle...
June 9, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28597058/-flexion-and-extension-osteotomy-of-the-knee
#18
T Diermeier, A B Imhoff, K Beitzel
OBJECTIVES: Flexion and extension osteotomy of the knee for symptomatic malalignment in the sagittal plane. INDICATIONS: Congenital/posttraumatic bony deficiencies in flexion/pathologic hyperextension in the knee. Additional treatment for ligament reconstruction. CONTRAINDICATIONS: Absolute: Infection, critical soft tissue situation, circulatory disorders. Relative: Osteoporosis, heavy smoker, obesity, reduced patient compliance. SURGICAL TECHNIQUE: Diagnostic arthroscopy of the knee...
June 9, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28596939/undifferentiated-pleomorphic-sarcoma-and-the-importance-of-considering-the-oncogenic-and-immune-suppressant-role-of-the-human-t-cell-lymphotropic-virus-type-1-a-case-report
#19
Sergio Lupo, Carolina Berini, Camila Cánepa, Eduardo Santini Araujo, Mirna Biglione
INTRODUCTION: Soft-tissue sarcomas account for 0.7% of all malignant tumors, with an incidence rate of 3 per 100,000 persons/year. The undifferentiated pleomorphic sarcoma (UPS) with giant cells, a high grade tumor of soft tissue, is very unusual, especially in young adults before the age of 40. Human T-cell lymphotropic virus type 1 (HTLV-1) is a human retrovirus, classified as group 1 human carcinogens by The International Agency for Research on Cancer, that causes an aggressive malignancy known as adult T-cell lymphoma/leukemia and a progressive chronic inflammatory neurological disease named HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP)...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28593731/multimodal-3d-imaging-based-on-%C3%AE-mri-and-%C3%AE-ct-techniques-bridges-the-gap-with-histology-in-visualization-of-the-bone-regeneration-process
#20
R Sinibaldi, A Conti, B Sinjari, S Spadone, R Pecci, M Palombo, V S Komlev, M G Ortore, G Tromba, S Capuani, F De Luca, S Caputi, T Traini, S Della Penna
Bone repair/regeneration is usually investigated through x-ray computed microtomography (μCT) supported by histology of extracted samples, to analyze biomaterial structure and new bone formation processes. Magnetic Resonance Imaging (μMRI) shows a richer tissue contrast than μCT, despite at lower resolution, and could be combined with μCT in the perspective of conducting non-destructive 3D investigations of bone. A pipeline designed to combine μMRI and μCT images of bone samples is here described and applied on samples of extracted human jawbone core following bone graft...
June 7, 2017: Journal of Tissue Engineering and Regenerative Medicine
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