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https://www.readbyqxmd.com/read/28922250/use-of-pedicled-buccal-fat-pad-for-midface-augmentation
#1
Tae Sung Lee, Sanghoon Park
The pedicled buccal fat pad has occasionally been used for the closure of oroantral and oronasal fistulae. However, this versatile and convenient technique has not been used widely in the field of esthetic surgery. The main cosmetic interest in the buccal fat pads was to surgically extract them to reduce cheek prominence. Here, the authors introduce a novel operative technique using the pedicled buccal fat pad for midface augmentation in patients with deficient soft-tissue volume, particularly in the anterior malar or paranasal region...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28921912/fate-of-worn-out-functional-teeth-in-the-upper-jaw-dentition-of-sicyopterus-japonicus-gobioidei-sicydiinae-during-tooth-replacement
#2
Noriyuki Sahara, Keita Moriyama, Midori Iida, Shun Watanabe
Mochizuki and Fukui (1983) studied the development and replacement of the upper jaw teeth in a Japanese fish species, Sicyopterus japonicus (Gobioidei: Sicydiinae), and they reported that worn-out functional teeth in the upper jaw were not shed outside the skin but were taken into the soft tissue of the upper jaw and completely resorbed there. To date, however, this phenomenon appears poorly documented. Furthermore, the mechanism for the resorption of these teeth remains to be determined. In the present study, we examined this phenomenon by using 3D micro-computed tomography (m-CT), scanning electron microscopy (SEM), and various techniques of light (LM) and electron (EM) microcopy...
September 16, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28918266/nanomedicine-for-safe-healing-of-bone-trauma-opportunities-and-challenges
#3
REVIEW
Shahed Behzadi, Gaurav A Luther, Mitchel B Harris, Omid C Farokhzad, Morteza Mahmoudi
Historically, high-energy extremity injuries resulting in significant soft-tissue trauma and bone loss were often deemed unsalvageable and treated with primary amputation. With improved soft-tissue coverage and nerve repair techniques, these injuries now present new challenges in limb-salvage surgery. High-energy extremity trauma is pre-disposed to delayed or unpredictable bony healing and high rates of infection, depending on the integrity of the soft-tissue envelope. Furthermore, orthopedic trauma surgeons are often faced with the challenge of stabilizing and repairing large bony defects while promoting an optimal environment to prevent infection and aid bony healing...
September 4, 2017: Biomaterials
https://www.readbyqxmd.com/read/28917520/short-term-complications-in-intra-and-extra-articular-anterior-cruciate-ligament-reconstruction-comparison-with-the-literature-on-isolated-intra-articular-reconstruction-a-multicenter-study-by-the-french-society-of-arthroscopy
#4
J C Panisset, R Pailhé, B Schlaterrer, L Sigwalt, B Sonnery-Cottet, C Lutz, S Lustig, C Batailler, S Bertiaux, F P Ehkirch, P Colombet, C Steltzlen, M L Louis, P D'ingrado, F Dalmay, P Imbert, D Saragaglia
INTRODUCTION: Lateral tenodesis (LT) is performed to limit the risk of iterative tear following anterior cruciate ligament (ACL) reconstruction in at-risk patients. By adding an extra procedure to isolated ACL graft, LT reconstruction increases operating time and may complicate postoperative course. The objective of the present study was to evaluate the rate of early complications. The study hypothesis was that associating ALL reconstruction to ACL reconstruction does not increase the complications rate found with isolated ACL reconstruction...
September 13, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28917436/comparison-of-the-loop-technique-with-incision-and-drainage-for-soft-tissue-abscesses-a-systematic-review-and-meta-analysis
#5
REVIEW
Michael Gottlieb, Gary D Peksa
INTRODUCTION: Skin and soft tissue infections are a common presentation to the emergency department. Traditional management of abscesses involves a linear incision through the center of the abscess with packing placed. The loop drainage technique (LDT) is an alternate approach that may reduce pain and scarring, as well as decrease the number of follow up visits needed. This systematic review and meta-analysis aimed to compare the efficacy of the LDT with conventional incision and drainage (CID) in the treatment of soft tissue abscesses...
September 10, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28905802/coccygodynia-pathogenesis-diagnostics-and-therapy-review-of-the-writing
#6
Bogumiła Dampc, Krzysztof Słowiński
Coccygodynia is a problem with a small percentage (1%) of the population suffering from musculoskeletal disorders. This pain is often associated with trauma, falling on the tailbone, long cycling, or by women after childbirth. The reason for the described problem can be the actual morphological changes. Idiopathic coccygodynia causes therapeutic difficulties to specialists of many fields. Unsatisfactory treatment, including coccygectomy tends to seek new solutions. They belong to them techniques exploited in the manual therapy which in their spectrum hold: direct techniques - per rectum as well as indirect techniques taking into account distant structures of the motor organ, remaining in dense interactions with the coccygeal part...
August 31, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28904724/treatment-of-high-energy-pilon-fractures-using-the-ilizarov-treatment
#7
Walid Osman, Zeineb Alaya, Hamdi Kaziz, Lassad Hassini, Meriem Braiki, Nader Naouar, Mohamed Laaziz Ben Ayeche
The management of high-energy pilon fractures is still controversial. Open reduction and internal fixation are often associated with serious complications. Various methods have been used to treat these injuries, with variable results. The aim of this retrospective study was to analyze the clinical and radiographic outcome of the ILIZAROV technique in patients with high-energy pilon fractures. Thirty cases of distal tibia epiphysis fractures (pilon fractures) were managed from 1999 to 2012. The study group included 5 cases of open fractures...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28902468/fine-needle-aspiration-of-lipoblastoma-cytological-molecular-and-clinical-features
#8
Joana Ferreira, Gonçalo Esteves, Ricardo Fonseca, Carmo Martins, Saudade André, Maria Manuel Lemos
BACKGROUND: Lipoblastomas are rare, benign adipocytic tumors that present mostly during infancy. In about 70% of cases, these tumors carry abnormalities in chromosome 8, mainly leading to rearrangements of the PLAG1 gene. METHODS: We report a series of histologically proven lipoblastomas with previous fine-needle aspiration (FNA) cytology from 9 patients (n = 10 samples) and describe their clinical, cytological, and molecular features. RESULTS: Our cohort included 5 boys and 4 girls (median age, 2...
September 13, 2017: Cancer
https://www.readbyqxmd.com/read/28901615/model-based-dose-reconstruction-for-ct-dose-estimation
#9
Mingye Wu, Zhye Yin, Bruno De Man
PURPOSE: Our goal is to develop a model-based approach for CT dose estimation. We previously presented a CT dose estimation method that offered good accuracy in soft tissue regions but lower accuracy in bone regions. In this work, we propose an improved physic-based approach to achieve high accuracy for any materials and realistic clinical anatomies. METHODS: Like Monte Carlo techniques, we start from a model or image of the patient and we model all relevant x-ray interaction processes...
September 2017: Medical Physics
https://www.readbyqxmd.com/read/28900773/ct-evaluation-of-musculoskeletal-trauma-initial-experience-with-cinematic-rendering
#10
Steven P Rowe, Jan Fritz, Elliot K Fishman
Multi-detector computed tomography (MDCT) scanners that can quickly acquire volumetric datasets composed of isotropic voxels laid the groundwork for the widespread clinical implementation of 3D MDCT reconstructions, with maximum intensity projection (MIP) and volumetric rendering (VR) becoming important parts of the imaging evaluation of patients with a wide variety of pathologic conditions. Recently, a new 3D reconstruction technique known as cinematic rendering (CR) has become available and is now U.S. FDA approved...
September 12, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28900710/coupling-matrix-assisted-ionization-with-high-resolution-mass-spectrometry-and-electron-transfer-dissociation-to-characterize-intact-proteins-and-post-translational-modifications
#11
Bingming Chen, Christopher B Lietz, Lingjun Li
Matrix-assisted ionization (MAI) is a recently developed ionization technique that produces multiply charged ions on either electrospray ionization (ESI) or matrix-assisted laser desorption/ionization (MALDI) platform without the need of high voltage or laser ablation. In this study, MAI has been coupled to a high resolution accurate mass (HRAM) hybrid instrument, the Orbitrap Elite mass spectrometer, with electron transfer dissociation (ETD) module for fast peptide and intact protein characterization. The softness of MAI process preserves labile post-translational modifications (PTM) and allows fragmentation and localization by ETD...
September 12, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28898423/iterative-volume-of-interest-based-4d-cone-beam-ct
#12
Rachael Martin, Moiz Ahmad, Geoffrey Hugo, Tinsu Pan
PURPOSE: 4D cone-beam CT (CBCT) has potential applications in soft tissue alignment and tumor motion verification at the time of radiation treatment. However, prominent streak artifacts with conventional image reconstructions have limited its clinical use and alternative reconstructions are generally too computationally expensive for the time available. We propose an iterative volume of interest based (I4D VOI) reconstruction technique, where 4D reconstruction is only performed within a VOI, to limit streak artifacts with limited added computation time...
September 12, 2017: Medical Physics
https://www.readbyqxmd.com/read/28894837/dental-occlusion-ties-a-rapid-safe-and-non-invasive-maxillo-mandibular-fixation-technology
#13
Alan W Johnson
OBJECTIVES: For decades, Erich arch bars have been a standard in establishing maxillo-mandibular fixation (MMF). While reliable, the approach risks sharps injury, consumes operating room time, and inflicts gingival trauma. Newer technologies including screw-based techniques and "hybrid" techniques have improved MMF by reducing sharps injuries and operating room time, but risk injury to tooth roots, nerves, and gingiva. This study aims to establish the application, strengths, and limitations of dental occlusion ties as a novel alternative in maxillo-mandibular fixation...
August 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28893435/gradual-bone-transfer-for-the-correction-of-the-pubic-diastasis-using-the-ilizarov-technique-in-closure-of-bladder-and-cloacal-exstrophy
#14
Hiroshi Kusakabe, Katsuhiko Ueoka, Shinichiro Takayama, Atsuhito Seki
BACKGROUND: In the patient of the cloacal exstrophy, cloaca with local abdominal wall is disrupted and exposed inner surface of the bladder needs early closure. Pelvic osteotomies are required for severe cases whose bladder cannot be closed by the suture of soft tissue only. We developed a technique involving the gradual positioning of bone fragments using a light, Ilizarov external fixator. The usefulness of the technique was assessed. METHODS: We enrolled 3 patients with cloacal exstrophy and 1 with bladder exstrophy as a gradual transfer group and 6 patients who were treated by other osteotomies as a control group...
September 8, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28892913/candida-albicans-infection-masquerading-as-a-soft-tissue-tumour-diagnosed-by-fine-needle-aspiration-cytology
#15
Krishnappa Amita, Abhishek Mandya Govind, Tony Pechiat, Sanjay Manchaih, Shivshankar Vijay Shankar
A 60-year-old male, diabetic presented with a soft tissue mass over the right forearm of 15 days duration. The swelling was 5 x 3 cm and a clinical diagnosis of neurofibroma was made. Fine Needle Aspiration Cytology (FNAC) was done using standard technique. Smears showed predominantly suppurative inflammation, foreign body giant cells, granulomas and fungal hyphae. KOH mount, culture and germ tube test was positive. Final diagnosis of fungal granuloma was made. Fungal infections should be included in the differential diagnosis of a soft tissue mass lesion...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28891995/performance-study-of-a-torsional-wave-sensor-and-cervical-tissue-characterization
#16
Antonio Callejas, Antonio Gomez, Juan Melchor, Miguel Riveiro, Paloma Massó, Jorge Torres, Modesto T López-López, Guillermo Rus
A novel torsional wave sensor designed to characterize mechanical properties of soft tissues is presented in this work. Elastography is a widely used technique since the 1990s to map tissue stiffness. Moreover, quantitative elastography uses the velocity of shear waves to achieve the shear stiffness. This technique exhibits significant limitations caused by the difficulty of the separation between longitudinal and shear waves and the pressure applied while measuring. To overcome these drawbacks, the proposed torsional wave sensor can isolate a pure shear wave, avoiding the possibility of multiple wave interference...
September 11, 2017: Sensors
https://www.readbyqxmd.com/read/28891728/bioengineered-dermal-substitutes-for-the-management-of-traumatic-periocular-tissue-loss
#17
Tiffany A Chen, Juan A Ayala-Haedo, Nathan W Blessing, Katie Topping, Chrisfouad R Alabiad, Benjamin P Erickson
PURPOSE: Traumatic periocular injuries occasionally result in significant soft tissue loss, for which there are limited management options that provide satisfactory cosmetic and functional outcomes. The authors describe the use of a bioengineered dermal substitute (Integra® Dermal Regeneration Template [DRT], Integra LifeSciences, Plainsboro, NJ) as an alternative to immediate flap reconstruction or skin grafting. METHODS: Retrospective interventional case series of patients who underwent DRT placement for periocular tissue loss at the time of trauma...
September 11, 2017: Orbit
https://www.readbyqxmd.com/read/28890606/combined-photographic-and-ultrasonographic-measurement-of-the-anb-angle-a-pilot-study
#18
Alberto Di Blasio, Chiara Di Blasio, Giuseppe Pedrazzi, Diana Cassi, Marisabel Magnifico, Edoardo Manfredi, Mauro Gandolfini
OBJECTIVE: This study was performed to evaluate the feasibility of noninvasive measurement of the ANB angle using photographic and ultrasonographic methods. METHODS: Twenty consecutive orthodontic patients were evaluated. The ANB angle and soft tissue thickness covering the N, A, and B cephalometric points were measured by lateral teleradiography; these measurements were made by two expert operators. The soft tissue thickness covering the N, A, and B cephalometric points was measured by ultrasonography; these measurements were also made by two expert operators...
2017: Oral Radiology
https://www.readbyqxmd.com/read/28890256/tuneable-denture-adhesives-using-biomimetic-principles-for-enhanced-tissue-adhesion-in-moist-environments
#19
Simrone K Gill, Nima Roohpour, Paul D Topham, Brian J Tighe
Nature provides many interesting examples of adhesive strategies. Of particular note, the protein glue secreted by marine mussels delivers high adhesion in wet and dynamic environments owing to existence of catechol moieties. As such, this study focuses on denture fixatives, where a non-zinc-containing commercial-based formulation has been judiciously modified by a biomimetic catechol-inspired polymer, poly(3,4-dihydroxystyrene/styrene-alt-maleic acid) in a quest to modulate adhesive performance. In vitro studies, in a lap-shear configuration, revealed that the catechol-modified components were able to enhance adhesion to both the denture base and hydrated, functional oral tissue mimic, with the resulting mode of failure prominently being adhesive rather than cohesive...
September 7, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28888715/acute-traumatic-rupture-of-the-patellar-tendon-in-pediatric-population-case-series-and-review-of-the-literature
#20
Mohamed Abdelhamid Ali Yousef, Scott Rosenfeld
BACKGROUND: Intact knee extensor mechanism is required for the normal function of the lower extremity. Patellar tendon rupture is a relatively rare injury with peak age incidence around 40 years and usually occurs midsubstance. The occurrence of pure patellar tendon rupture without bony avulsion is an extremely rare injury in the pediatric population with few cases reported in the literature with limited information regarding frequency, complications, and outcomes in children. However, due to increased participation in sports and high-energy recreational activities during childhood, the frequency of such injuries has progressively increased...
September 1, 2017: Injury
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