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https://www.readbyqxmd.com/read/28730938/stratum-corneum-modulation-by-chemical-enhancers-and-lipid-nanostructures-implications-for-transdermal-drug-delivery
#1
Mudra Saurabh Kapoor, Shruti GuhaSarkar, Rinti Banerjee
Skin is the outermost and largest protective covering of the body. The uppermost layer of the skin, stratum corneum also called the horny layer is composed of keratin-filled cells covered by a lipid matrix which shields the skin from physical and chemical entrants. The lipid lamellar structure comprises of ceramides, cholesterol, fatty acids and proteins. Chemical enhancers that mimic the lamellar chemistry, reversibly fluidize the latter can be utilized for enhancing transport of cargo across the epidermis into the dermis...
July 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28730751/tuberculosis-and-biologics-in-rheumatology-india-a-special-situation
#2
REVIEW
Rohini Handa, Sundeep Upadhyaya, Sanjiv Kapoor, Ramesh Jois, Bimlesh D Pandey, Anuj K Bhatnagar, Ashwani Khanna, Vishal Goyal, Kamal Kumar
India has a huge patient burden of rheumatic diseases (RDs) including rheumatoid arthritis. The use of biologics has transformed the treatment paradigm for RD; however, biologic treatment-related infections (especially tuberculosis [TB]) are an area of potential concern for TB-endemic nations like India. Anti-tumor necrosis factor (TNF) therapy impairs the physiological TNF-mediated signaling and may cause reactivation and dissemination of latent TB infection (LTBI). Careful screening is, thus, crucial in RD patients who are about to commence anti-TNF treatment...
July 21, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28724272/patients-characteristics-histopathological-findings-and-tumor-stage-in-different-types-of-malignant-melanoma-a-retrospective-multicenter-study
#3
Ali-Mohammad Farahmand, Amir-Hoshang Ehsani, Mojtaba Mirzaei, Maryam Mohsenian, Alireza Ghanadan
Cutaneous malignant melanoma (CMM) is currently the most fatal of skin cancers accounting for 50000 deaths annually. Five distinct melanomas are described histopathologically: superficial spreading, lentigo maligna, nodular, acral lentiginous and mucosal melanoma. The aim of this study was to investigate the characteristics of patients with various types of malignant melanoma and evaluate histopathological findings. In this retrospective study, we obtained our data from the records of 111 patients with melanoma...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28721726/3d-printed-earable-smart-devices-for-real-time-detection-of-core-body-temperature
#4
Hiroki Ota, Minghan Chao, Yuji Gao, Eric Wu, Li-Chia Tai, Kevin Chen, Yasutomo Matsuoka, Kosuke Iwai, Hossain M Fahad, Wei Gao, Hnin Yin Yin Nyein, Liwei Lin, Ali Javey
Real-time detection of basic physiological parameters such as blood pressure and heart rate is an important target in wearable smart devices for healthcare. Among these, the core body temperature is one of the most important basic medical indicators of fever, insomnia, fatigue, metabolic functionality, and depression. However, traditional wearable temperature sensors are based upon the measurement of skin temperature, which can vary dramatically from the true core body temperature. Here, we demonstrate a three-dimensional (3D) printed wearable "earable" smart device that is designed to be worn on the ear to track core body temperature from the tympanic membrane (i...
July 19, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28720348/safety-evaluation-of-a-novel-muramidase-for-feed-application
#5
J Lichtenberg, E Perez Calvo, K Madsen, T Østergaard Lund, F Kramer Birkved, S van Cauwenberghe, M Mourier, L Wulf-Andersen, A J M Jansman, R Lopez-Ulibarri
Safety evaluation of a muramidase produced by a Trichoderma reesei strain (safe lineage), expressing a muramidase gene isolated from Acremonium alcalophilum is presented. Intended use in feed of this enzyme is as digestive aid in broiler chickens. Muramidase 007, was non-mutagenic and non-clastogenic in vitro, and no adverse effects were observed in 90-day subchronic toxicity studies in rats at doses up to 1132 mg TOS/kg body weight/day. The enzyme did not exhibit, in vitro, skin, nor eye irritation potential...
July 15, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28719716/the-sophono-bone-conduction-system-surgical-audiologic-and-quality-of-life-outcomes
#6
Timothy Mclean, Irumee Pai, Andrew Philipatos, Michael Gordon
We prospectively evaluated the surgical, audiologic, and quality-of-life outcomes in 5 patients-2 men and 3 women, aged 22 to 64 years (mean: 41.8)-who were implanted with the Sophono Alpha 2 MPO Processor. The indications for implantation of this bone-conduction device included recurrent ear canal infections with hearing aids (n = 3), single-sided deafness (n = 1), and patient preference in view of difficulty using a conventional hearing aid (n = 1). In addition to the patient with single-sided deafness, 3 patients had a bilateral mixed hearing loss and 1 had a bilateral conductive hearing loss...
July 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28719546/fracture-table-application-for-pediatric-femur-fractures-incidence-and-risk-factors-associated-with-adverse-outcomes
#7
Brian A Kelly, Manahil Naqvi, Emily S Rademacher, Patricia E Miller, Daniel J Hedequist, Michael P Glotzbecker, Travis H Matheney, Benjamin J Shore
BACKGROUND: Flexible elastic nails, submuscular plating, and rigid locked intramedullary nails are common methods of fixation for pediatric femur fractures (PFF) in which the fracture table is used to aid reduction. Little is known about complications associated with fracture table application in PFF. The purpose of this study was to determine the incidence and risk factors associated with adverse outcomes related to fracture table application for the treatment of PFF. METHODS: A retrospective chart review of all children (younger than 18 y) treated for a femur fracture with the use of the fracture table between 2004 and 2015 at a single tertiary pediatric hospital was performed...
July 17, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28711550/chitosan-whisker-grafted-with-oligo-lactic-acid-nanoparticles-via-a-green-synthesis-pathway-potential-as-a-transdermal-drug-delivery-system
#8
Visuta Engkagul, I-Yanut Klaharn, Amornpun Sereemaspun, Suwabun Chirachanchai
Chitosan whisker (CSWK) grafted with oligo(lactic acid) (OLA) nanoparticles (NPs) in water is developed to aid transferring therapeutic agents through the skin in a transdermal drug delivery system. Although several works in the past have shown grafting of poly(lactic acid) onto chitosan, the present work shows a green grafting system for the first time. The nano-sized CSWK provided effective conjugation of lactic acid even in a heterogeneous water-based system followed by polycondensation to form OLA. The OLA chain length is controlled by the lactic acid content and modulates the lipophilicity of CSWK-OLA...
July 13, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28711129/care-of-infectious-conditions-in-an-observation-unit
#9
REVIEW
Pawan Suri, Taruna K Aurora
Infectious conditions such as skin and soft tissue infections (SSTIs), Urogenital infections and peritonsillar abscesses frequently require care beyond emergency stabilization and are well-suited for short term care in an observation unit. SSTIs are a growing problem, partly due to emergence of strains of methicillin-resistant S. aureus (MRSA). Antibiotic choice is guided by the presence of purulence and site of infection. Purulent cellulitis is much more likely to be associated with MRSA. Radiographic imaging should be considered to aid in management in patients who are immunosuppressed, have persistent symptoms despite antibiotic therapy, recurrent infections, sepsis or diabetes...
August 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/28706816/endoscopic-stalk-resection-of-a-toe-ganglion-with-color-aided-visualization
#10
Takahisa Ogawa, Yasuhiro Seki, Shinichi Shirasawa
Ganglion cysts are common cystic lesions filled with a jelly-like substance and originate from a joint capsule or tendon sheath through a stalk. Ganglion cysts mostly occur in the hand region, for which surgical excision usually results in good outcomes. In contrast, toe ganglions are relatively rare, and surgical treatment is associated with a high recurrence rate because of unidentifiable ganglion stalks, requiring large skin incisions. We have treated toe ganglion cysts using endoscopy in the ganglion cyst by injecting methylene blue into the tendon sheath that connects to the ganglion stalk...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28702963/duncan%C3%A2-s-dermatosis-from-the-%C3%A2-terra-firma-forme%C3%A2-to-a-possible-syndromic-condition-the-story-of-a-dirty-disease
#11
E Unal, J Lotti, M Fioranelli, M G Roccia, T Lotti, C Guarneri, N Parlak
Since its first description by Duncan, Tschen and Knox in 1987 in the former Archives of Dermatology (1), “Terra firma-forme dermatosis” has been variously described in medical literature, representing a strange, probably underestimated, cutaneous disease. During the last 40 years, the condition has been recorded as an undesirable as well as unexplained event, occurring mainly in childhood, characterized by a brownish-black appearance of the whole skin, resembling dirt. Recently, authors described several cases of atypical patterns of the disease, sometimes with impressing topographic clinical pictures, evocative for syndromic phenotypes...
July 13, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28700740/navigation-accuracy-after-automatic-and-hybrid-surface-registration-in-sinus-and-skull-base-surgery
#12
Tanja Daniela Grauvogel, Paul Engelskirchen, Wiebke Semper-Hogg, Juergen Grauvogel, Roland Laszig
OBJECTIVE: Computer-aided-surgery in ENT surgery is mainly used for sinus surgery but navigation accuracy still reaches its limits for skull base procedures. Knowledge of navigation accuracy in distinct anatomical regions is therefore mandatory. This study examined whether navigation accuracy can be improved in specific anatomical localizations by using hybrid registration technique. STUDY DESIGN: Experimental phantom study. SETTING: Operating room...
2017: PloS One
https://www.readbyqxmd.com/read/28700146/in-vivo-thz-imaging-of-human-skin-accounting-for-occlusion-effects
#13
Qiushuo Sun, Edward P J Parrott, Yuezhi He, Emma Pickwell-Macpherson
In vivo terahertz (THz) imaging of human skin needs to be done in reflection geometry due to the high attenuation of THz light by water in the skin. To aid the measurement procedure, there is typically an imaging window onto which the patient places the area of interest. The window enables better pulse alignment and helps keep the patient correctly positioned during the measurement. In this paper we demonstrate how the occlusion caused by the skin contact with the imaging window during the measurement affects the THz response...
July 12, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28697226/randomized-split-face-d%C3%A3-collet%C3%A3-comparative-trial-of-procedure-enhancement-system-for-fractional-non-ablative-laser-resurfacing-treatment
#14
Deanne Mraz Robinson, Ashton P Frulla
<p>INTRODUCTION: A topical proprietary procedural enhancement system (PES) containing a combination of active ingredients including a tripeptide and hexapeptide (TriHex Technology™, Alastin Procedure Enhancement Invasive System, ALASTIN Skincare™, Inc., Carlsbad, CA) has been used successfully to aid in healing and improve symptomatology following resurfacing procedures.</p> <p>METHODS: PES (Gentle Cleanser, Regenerating Skin Nectar with TriHex Technology™, Ultra Nourishing Moisturizer with TriHex Technology™, Soothe + Protect Recovery Balm, Broad Spectrum 30+ Sunscreen) was compared to a basic regimen (Aquaphor™, Cerave™ cleanser, Vanicream™, Alastin Broad Spectrum 30+ Sunscreen) in a split face/ décolleté trial following fractional non-ablative thulium-doped resurfacing treatment to the face or décolleté...
July 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28697212/maxillary-implant-prosthodontic-treatment-using-digital-laboratory-protocol-for-a-patient-with-epidermolysis-bullosa-a-case-history-report
#15
Rubén Agustín-Panadero, Blanca Serra-Pastor, David Peñarrocha-Oltra, Miguel Peñarrocha-Diago
Epidermolysis bullosa belongs to a group of genetic diseases that present with skin disorders and is characterized by generalized blister formation in response to mechanical trauma. This article reports on the management of a recessive dystrophic epidermolytic patient with four remaining periodontally compromised maxillary teeth. Treatment involved placement of four maxillary implants and use of computer-aided design/computer-assisted manufacture techniques to fabricate a fixed full-arch implant-supported prosthesis...
July 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28696355/abcc6-and-pseudoxanthoma-elasticum-the-face-of-a-rare-disease-from-genetics-to-advocacy
#16
REVIEW
Karobi Moitra, Sonia Garcia, Michelle Jaldin, Clementine Etoundi, Donna Cooper, Anna Roland, Patrice Dixon, Sandra Reyes, Sevilay Turan, Sharon Terry, Michael Dean
Pseudoxanthoma elasticum (PXE) is an autosomal recessive disorder characterized by the mineralization of connective tissues in the body. Primary manifestation of PXE occurs in the tissues of the skin, eyes, and cardiovascular system. PXE is primarily caused by mutations in the ABCC6 gene. The ABCC6 gene encodes the trans-membrane protein ABCC6, which is highly expressed in the kidneys and liver. PXE has high phenotypic variability, which may possibly be affected by several modifier genes. Disease advocacy organizations have had a pivotal role in bringing rare disease research to the forefront and in helping to sustain research funding for rare genetic diseases in order to help find a treatment for these diseases, pseudoxanthoma elasticum included...
July 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28690211/new-perspectives-on-dandruff-and-seborrheic-dermatitis-lessons-we-learned-from-bacterial-and-fungal-skin-microbiota
#17
Luciana Campos Paulino
The human body is inhabited by complex microbial communities, which positively impact different aspects of our health, and might also be related to the development of diseases. Progress in technologies, particularly sequencing methods and bioinformatics tools, has been crucial for the advances in this field. Microbial communities from skin can modulate immune response and protect the host against pathogens, and there are also data supporting their association with several skin conditions; including dandruff and seborrheic dermatitis...
June 1, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28689988/tip-enhanced-raman-scattering-for-tracking-of-invasomes-in-the-stratum-corneum
#18
Mukul Ashtikar, Lucas Langelüddecke, Alfred Fahr, Volker Deckert
Stratum corneum is the primary skin barrier to percutaneous absorption. Since 1980, topical liposomal formulations have been proposed and successfully employed for increasing the drug penetration through the skin. There is no clear consensus on the drug penetration mechanism from topically applied liposomes, despite a vast amount of research. One of the reasons for the ambiguity is that the interactions between the stratum corneum and liposomes are in nanoscale, which makes them difficult to probe. In this study, we employed tip-enhanced Raman scattering (TERS) to gain a better understanding of the interactions between the human stratum corneum and topically applied liposomal system called invasomes...
July 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28689073/endocrine-related-adverse-events-associated-with-immune-checkpoint-blockade-and-expert-insights-on-their-management
#19
REVIEW
Mario Sznol, Michael A Postow, Marianne J Davies, Anna C Pavlick, Elizabeth R Plimack, Montaser Shaheen, Colleen Veloski, Caroline Robert
Agents that modulate immune checkpoint proteins, such as cytotoxic T-lymphocyte antigen-4 (CTLA-4) and programmed death receptor-1 (PD-1), have become a mainstay in cancer treatment. The clinical benefit afforded by immune checkpoint inhibitors can be accompanied by immune-related adverse events (irAE) that affect the skin, gastrointestinal tract, liver, and endocrine system. The types of irAEs associated with immune checkpoint inhibitors are generally consistent across tumor types. Immune-related endocrine events can affect the pituitary, thyroid, and adrenal glands, as well as other downstream target organs...
June 22, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28683002/report-of-modification-for-peripherally-inserted-central-catheter-placement-subcutaneous-needle-tunnel-for-high-upper-arm-placement
#20
Matthew D Ostroff, Nancy L Moureau
The majority of peripherally inserted central catheters (PICCs) are currently inserted with the aid of ultrasound guidance in the middle third of the upper arm. A growing patient population is presenting with challenging vessel access requiring placement of the PICC in the high upper third of the arm. To avoid this suboptimal exit site, a subcutaneous tunneling of the PICC is established away from the axilla to a more appropriate skin exit site. A prospective evaluation was performed in a single facility for all PICC placements from September 2014 to June 2015...
July 2017: Journal of Infusion Nursing: the Official Publication of the Infusion Nurses Society
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