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https://www.readbyqxmd.com/read/29792681/protein-based-electronic-skin-akin-to-biological-tissues
#1
Minsik Jo, Kyungtaek Min, Biswajit Roy, Sookyoung Kim, Sangmin Lee, Ji-Yong Park, Sunghwan Kim
Human skin provides an interface that transduces external stimuli into electrical signals for communication with the brain. There has been considerable effort to produce soft, flexible, and stretchable electronic skin (E-skin) devices. However, common polymers cannot imitate human skin perfectly due to their poor biocompatibility, biofunctionality, and permeability to many chemicals and biomolecules. Herein, we report on highly flexible, stretchable, conformal, molecule-permeable, and skin-adhering E-skins that combine a metallic nanowire (NW) network and silk protein hydrogel...
May 24, 2018: ACS Nano
https://www.readbyqxmd.com/read/29792034/soft-hydrogel-zwitterionic-coatings-minimize-fibroblast-and-macrophage-adhesion-on-polyimide-substrates
#2
Dusana Trelova, Alice Rita Salgarella, Leonardo Ricotti, Guido Giudetti, Annarita Cutrone, Petra Sramkova, Anna Zahoranova, Dusan Chorvat, Daniel Hasko, Claudio Canale, Silvestro Micera, Juraj Kronek, Arianna Menciassi, Igor Lacik
Minimizing the foreign body reaction to polyimide-based implanted devices has a pivotal role for several biomedical applications. In this work we propose materials exhibiting non-biofouling properties and a Young's modulus reflecting the one of soft human tissues. We describe the synthesis, characterization and in vitro validation of poly(carboxybetaine) hydrogel coatings covalently attached to polyimide substrates via a photolabile 4-azidophenyl group, incorporated in poly(carboxybetaine) chains at two concentrations of 1...
May 24, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29791960/ultrasound-of-the-brachial-plexus
#3
James F Griffith
Examination of the brachial plexus with ultrasound is efficient because it allows many parts of the brachial plexus as well as the surrounding soft tissues to be assessed with high spatial resolution. The key to performing good ultrasound of the brachial plexus is being familiar with the anatomy and the common variants. That makes it possible to concentrate solely on the ultrasound appearances free of simultaneously wondering about the anatomy. Ultrasound of the brachial plexus is particularly good for assessing nerve sheath tumor, perineural fibrosis, metastases, some inflammatory neuropathies, neuralgic amyotrophy, and posttraumatic sequalae...
July 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29791956/accessory-muscles-of-the-extremities
#4
Filip M Vanhoenacker, Julie Desimpel, Marc Mespreuve, Alberto Tagliafico
Accessory muscles and variations are not uncommon at the upper and lower extremity. They are often overlooked because they are asymptomatic and present as incidental findings on imaging. However, they may present as a soft tissue swelling, thereby mimicking soft tissue tumors. Other symptoms are attributed to impingement on neurovascular structures and to exercise-related pain. Thorough knowledge of the anatomy, systematic imaging analysis, and the awareness of it are the clues to correct identification. On ultrasound, accessory muscles have a similar echotexture as other muscles, whereas the signal intensity on magnetic resonance imaging (MRI) is similar to muscle...
July 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29791700/closing-the-gap-novel-abdominal-wound-closure-techniques
#5
James Dana Kondrup, Alaina M Qayyum
Traditionally, surgical procedures within the realm of both general and gynecological surgery employ the use of staples and interrupted sutures that run continuously with knot tying or subcuticular sutures to ensure closure of large wound incisions, subcuticular incisions, and fascial repair. However, these methods may not always be cosmetically favorable and, thus, result in an unpleasant outcome for the patient, adding to their surgery-related stress. It is, therefore, imperative that surgeons and gynecologists are aware of alternative methods of wound closure that are not only cosmetically favorable, but also ensure rapid wound recovery and infection control...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791323/male-and-female-characteristics-of-facial-soft-tissue-thickness-in-different-orthodontic-malocclusions-evaluated-by-cephalometric-radiography
#6
Tatjana Perović, Zorica Blažej
BACKGROUND The facial profile is determined by the facial soft tissue thickness (FSTT) and dentoskeletal characteristics. The aim of this study was to compare male and female characteristics of FSTT in different orthodontic malocclusions using cephalometric radiography. MATERIAL AND METHODS One hundred and twenty lateral cephalometric radiography-derived cephalograms of adult male (n=47) and female (n=73) orthodontic patients, aged between 16-22 years were classified according to their dentoskeletal relationships as Class I (n=30), Class II Division 1 (n=30), Class II Division 2 (n=30), Class III (n=30)...
May 23, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29791198/updates-on-ultrasound-research-in-implant-dentistry-a-systematic-review-of-potential-clinical-indications
#7
Vaishnavi Bhaskar, Hsun-Liang Chan, Mark MacEachern, Oliver D Kripfgans
OBJECTIVES: Ultrasonography has shown promising diagnostic value in dental implant imaging research; however, exactly how ultrasound was used and at what stage of implant therapy it can be applied has not been systematically evaluated. Therefore, the aim of this review is to investigate potential indications of ultrasound use in the three implant treatment phases, namely planning, intraoperative and postoperative phase. METHODS: Eligible manuscripts were searched in major databases with a combination of key words related to the use of ultrasound imaging in implant therapy...
May 23, 2018: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/29791191/effects-of-bone-incorporation-after-arthroscopic-stabilization-surgery-for-bony-bankart-lesion-based-on-preoperative-glenoid-defect-size
#8
In Park, Jae-Hoo Lee, Hwan-Sub Hyun, Min-Joon Oh, Sang-Jin Shin
BACKGROUND: Recurrent shoulder instability occurs more frequently after soft tissue surgery when the glenoid defect is greater than 20%. However, for lesions less than 20%, no scientific guidance is available regarding what size of bone fragments may affect shoulder functional restoration after bone incorporation. Purpose/Hypothesis: The purpose was to analyze how preoperative glenoid defect size and bone fragment incorporation alter postoperative clinical outcomes, we compared the functional outcomes of shoulders with and without bony Bankart lesion...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29790861/assessing-mr-linac-radiotherapy-robustness-for-anatomical-changes-in-head-and-neck-cancer
#9
Robert W Chuter, Andrew Pollitt, Philip Whitehurst, Ranald I Mackay, Marcel van Herk, Alan McWilliam
The MR-Linac will provide excellent soft tissue contrast for on-treatment imaging. It is well known that the electron return effect (ERE) results in areas of increased and decreased dose at air/tissue boundaries, which can be compensated for in plan optimisation. However, anatomical changes may affect the quality of this compensation. In this paper we aim to quantify the interaction of anatomical changes with ERE in head and neck (H&N) cancer patients.
 
 Twenty patients treated with either 66 Gy or 60 Gy in 30 fractions were selected...
May 23, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29790830/empyema-necessitans-in-a-six-month-old-girl
#10
P Goussard, Robert Gie, Jacques Janson, Savvas Andronikou
Empyema necessitans is a rare complication of acute bacterial pneumonia, especially in children. It is a complication of empyema characterised by the extension of pus from the pleural cavity into the thoracic wall to form a mass of purulent fluid in the adjacent soft tissue. An inflammatory chest wall mass following pneumonia caused by Streptococcus pneumonia in a six-month-old infant is reported. The case emphasises that children presenting with persistent fever and a painful chest wall mass following pneumonia should be investigated immediately as there might be an urgent need for surgery...
May 23, 2018: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/29790225/can-cardiovascular-mri-be-used-to-more-definitively-characterize-cardiac-masses-initially-identified-using-echocardiography
#11
Vikas K Rathi, Anna T Czajka, Diane V Thompson, Mark Doyle, Tarun Tewatia, June Yamrozik, Ronald B Williams, Robert W W Biederman
In diagnosing cardiac and paracardiac masses, cardiac MRI (CMR) has gained acceptance as the gold standard. CMR has been observed to be superior to echocardiography in characterizing soft-tissue structures and, specifically, in classifying cardiac masses. The aim of our study was to evaluate the association between mortality and cardiac or paracardiac masses initially identified by echocardiography (ECHO) and confirmed by CMR. Between January 2002 and August 2007, a total of 158 patients underwent both ECHO and CMR for the evaluation of cardiac masses that were equivocal or undefined by ECHO...
May 2018: Echocardiography
https://www.readbyqxmd.com/read/29790086/testosterone-mediated-activation-of-androgenic-signalling-sustains-in-vitro-the-transformed-and-radioresistant-phenotype-of-rhabdomyosarcoma-cell-lines
#12
S Giannattasio, F Megiorni, V Di Nisio, A Del Fattore, R Fontanella, S Camero, C Antinozzi, C Festuccia, G L Gravina, S Cecconi, C Dominici, L Di Luigi, C Ciccarelli, P De Cesaris, A Riccioli, B M Zani, A Lenzi, R G Pestell, A Filippini, C Crescioli, V Tombolini, F Marampon
PURPOSE: Rhabdomyosarcoma (RMS), the most common soft-tissue sarcoma in childhood, rarely affects adults, preferring male. RMS expresses the receptor for androgen (AR) and responds to androgen; however, the molecular action of androgens on RMS is unknown. METHODS: Herein, testosterone (T) effects were tested in embryonal (ERMS) and alveolar (ARMS) RMS cell lines, by performing luciferase reporter assay, RT-PCR, and western blotting experiments. RNA interference experiments or bicalutamide treatment was performed to assess the specific role of AR...
May 22, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29789961/illnesses-associated-with-freshwater-recreation-during-international-travel
#13
REVIEW
Daniel L Bourque, Joseph M Vinetz
PURPOSE OF REVIEW: International travel, adventure travel, and eco-tourism are increasing over the past few decades. This review aims to summarize the spectrum of infections associated with recreational freshwater activities and international travel. RECENT FINDINGS: Recreational water activities can be associated with a wide range of infections. Acute febrile illnesses due to leptospirosis and schistosomiasis are not uncommon in travelers following extensive freshwater exposure...
May 22, 2018: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/29789865/the-roles-of-early-surgery-and-comorbid-conditions-on-outcomes-of-severe-necrotizing-soft-tissue-infections
#14
Rifat Latifi, Apar S Patel, David J Samson, Elizabeth H Tilley, Saranda Gashi, Roberto Bergamaschi, Ayman El-Menyar
PURPOSE: Severe necrotizing soft-tissue infections (NSTIs) require immediate early surgical treatment to avoid adverse outcomes. This study aims to determine the impact of early surgery and comorbid conditions on the outcomes of NSTIs. METHODS: A retrospective cohort study was performed on all subjects presenting with NSTI at an academic medical center between 2005 and 2016. Patients were identified based on ICD codes. Those under the age of 18 or with intraoperative findings not consistent with NSTI diagnosis were excluded...
May 22, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29789768/radiological-and-clinical-findings-following-rectal-contact-x-ray-brachytherapy-papillon-technique-how-to-assess-response
#15
Matt J D Dunstan, Tim A Rockall, Kate Potter, Alexandra J Stewart
Purpose: Rectal contact X-ray brachytherapy (Papillon radiotherapy) has recently received approval from the National Institute for Health and Care Excellence. In particular, it is suitable for elderly patients who are high-risk for a major operation, but it may also be undertaken for patients who wish to avoid a stoma. It is imperative to be able to identify clinical response or tumor regrowth on surveillance magnetic resonance imaging (MRI) and sigmoidoscopy. This article aims to help clinicians to interpret MRIs and endoscopic appearances following Papillon radiotherapy...
April 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29789306/chronic-madura-foot-mycetoma-and-or-actinomyces-spp-or-actinomycosis
#16
Abdulaziz Al Gannass
A 58-year-old agricultural worker from a remote Western province farming community in Saudi Arabia presented with a 2-year history of right plantar foot soft tissue mass. According to the patient, the swelling had gradually increased in size over a few years, but it was painless and thus had not restricted him from continuing to farm until the lesion started to affect mobility. An MRI, microbiology and histopathology reported a rare infectious agent- Actinomyces spp, otherwise referred to as Madura foot. Three-dimensional CT aided in a preoperative surgical plan which included mass excision/debulking for this challenging lesion...
May 22, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29789188/fractures-after-multimodality-treatment-of-soft-tissue-sarcomas-with-isolated-limb-perfusion-and-radiation-likely-to-occur-and-hard-to-heal
#17
J M Seinen, P C Jutte, L B Been, E Pras, H J Hoekstra
OBJECTIVES: Treatment associated fractures (TAFs) are known severe side effects after surgery and radiotherapy for soft tissue sarcoma (STS). There is no literature about TAF after multimodality treatment with isolated limb perfusion (ILP) for locally advanced STS. This study aimed to analyze predictive factors, treatment and outcome for TAF after multimodality treatment with ILP. METHOD: Out of 126 consecutive patients undergoing ILP after 1991 till now, 25 patients were excluded due to no surgery or direct amputation at initial surgery...
April 24, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29788803/establishment-of-a-spontaneously-transformed-cell-line-ju-pi-from-a-myxoinflammatory-fibroblastic-sarcoma
#18
Klaus W Fagerstedt, Tarja Salonen, Fang Zhao, Soili Kytölä, Tom Böhling, Leif C Andersson
Myxoinflammatory fibroblastic sarcoma is a soft-tissue neoplasm most frequently found in the distal extremities of middle-aged adults. Most myxoinflammatory fibroblastic sarcoma are low-grade tumors with propensity for local recurrence after incomplete removal. We report a myxoinflammatory fibroblastic sarcoma which developed in the foot of a 41-year-old male and showed an exceptionally aggressive course with metastatic spread and fatal outcome within 16 months. We managed to establish a spontaneously transformed continuous cell line, called JU-PI, from a metastatic lesion...
May 2018: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29788689/weight-analysis-of-mastectomy-specimens-and-abdominal-flaps-used-for-breast-reconstruction-in-koreans
#19
Jiyoung Yun, Hyung Hwa Jeong, Jonghan Cho, Eun Key Kim, Jin Sup Eom, Hyun Ho Han
BACKGROUND: Slim patients or those with large breasts may be ineligible for breast reconstruction with an abdominal flap, as the volume of the flap may be insufficient. This study aimed to establish that abdominal tissue-based breast reconstruction can be well suited for Korean patients, despite their thin body habitus. METHODS: A total of 252 patients who underwent postmastectomy breast reconstruction with an abdominal flap from October 2006 to May 2013 were retrospectively reviewed...
May 2018: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29788683/definitions-of-groove-and-hollowness-of-the-infraorbital-region-and-clinical-treatment-using-soft-tissue-filler
#20
REVIEW
Ji-Hyun Lee, Giwoong Hong
Clarification is needed regarding the definitions and classification of groove and hollowness of the infraorbital region depending on the cause, anatomical characteristics, and appearance. Grooves in the infraorbital region can be classified as nasojugal grooves (or folds), tear trough deformities, and palpebromalar grooves; these can be differentiated based on anatomical characteristics. They are caused by the herniation of intraorbital fat, atrophy of the skin and subcutaneous fat, contraction of the orbital part of the orbicularis oculi muscle or squinting, and malar bone resorption...
May 2018: Archives of Plastic Surgery
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