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https://www.readbyqxmd.com/read/29792034/soft-hydrogel-zwitterionic-coatings-minimize-fibroblast-and-macrophage-adhesion-on-polyimide-substrates
#1
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/29791712/surgical-management-after-hysteroscopic-sterilization-minimally-invasive-approach-incorporating-intraoperative-fluoroscopy-for-symptomatic-patients-with-2-essure%C3%A2-devices
#2
E Scott Sills, Natalie S Rickers, Xiang Li
OBJECTIVE: To describe a non-hysterectomy surgical technique for symptomatic patients with >2 Essure® (Bayer Healthcare, Whippany, New Jersey) devices. DESIGN: Patients (n=4) presented with sharp pelvic pain, irregular vaginal bleeding, dyspareunia, weight gain, hair loss, fatigue, and/or diffuse skin rash, all of which were absent before undergoing hysteroscopic sterilization (HS). Hysterosalpingogram obtained before surgical excision of contraceptive tubal implants confirmed more than two Essure® devices in all patients...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791420/upper-gastrointestinal-endoscopy-applied-in-pediatrics-endoscopic-and-histological-findings-including-helicobacter-pylori
#3
Diego Soares Coca, Carolina Manna Santos, Osmar Silvio Garcia de Oliveira, Dayse Aparício Pereira, Carlos Jr Kiyoshi Furuya, Everson L A Artifon
OBJECTIVE: To present and discuss the endoscopic and histological results, as well as the incidence of Helicobacter pylori and other diseases, indications and characteristics of upper digestive endoscopies performed in children. MATERIAL AND METHODS: Twenty-five endoscopies were performed in children aged six months to 11 years (mean 7.69 years), from February 2013 to January 2016. In 200 patients, endoscopies were diagnostic and serial biopsies were performed (esophagus, stomach and duodenum), in 120 of them...
January 2018: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29791295/ultrasonographic-detection-of-ingested-fishing-lines-in-loggerheads-caretta-caretta
#4
Delia Franchini, Carmela Valastro, Stefano Ciccarelli, Francesco Caprio, Diana Lenoci, Antonio Di Bello
Loggerhead sea turtles ( Caretta caretta) are among the most frequent victims of bycatch in drifting longlines, and the ingestion of fish hooks and fishing lines is one of the most frequent causes of death of sea turtles. The aim of this study was to evaluate whether coelomic ultrasound (US) can be decisive, not only for diagnosis but also to optimize surgical planning based on preoperative evaluation of the bowel conditions and, in addition, to see if there are characteristic sonographic findings in sea turtles associated with the ingestion of fishing lines...
May 23, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29789174/pulmonary-foreign-body-granulomatosis-11-years-after-injection-of-a-cosmetic-dermal-filler
#5
Francisca Teixeira-Lopes, Ana Dias, Rita Luís, Leonardo Ferreira
No abstract text is available yet for this article.
May 19, 2018: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/29788999/the-first-case-of-multiple-pulmonary-granulomas-with-amyloid-deposition-in-a-dental-technician-a-rare-manifestation-as-an-occupational-lung-disease
#6
Taizou Hirano, Tadahisa Numakura, Hiroshi Moriyama, Ryoko Saito, Yutaka Shishikura, Jun Shiihara, Hisatoshi Sugiura, Masakazu Ichinose
BACKGROUND: Occupational lung diseases, such as pneumoconiosis, are one of the health problems of dental workers that have been receiving increasing interest. Pulmonary amyloidosis is a heterogenous group of diseases, and can be classified into primary (idiopathic) and secondary (associated with various inflammatory diseases, hereditary, or neoplastic). To date, the development of pulmonary amyloidosis in dental workers has not been reported. CASE PRESENTATION: A 58-year-old Japanese female presented with chest discomfort and low-grade fever that has persisted for 2 months...
May 22, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29785865/an-oesophageal-spring
#7
Elisabetta Calamelli, Tomasso Gargano, Sandra Brusa, Paolo Bottau, Mario Lima, Marcello Lanari
Oesophageal foreign bodies (OFBs) are a relatively common emergency in young children. OFBs are complicated by significant morbidity and mortality because their ingestion often occurs without witnesses, leading to a delay in diagnosis and treatment. We report an occult OFB in an 11-month-old infant who initially presented without any specific respiratory symptoms, mimicking a respiratory infection. Worsening of the patient's cough, which did not show any improvement, despite treatment, and progressive onset of gastrointestinal manifestations (dysphagia, vomiting, and drooling) led to the diagnosis of an OFB (metallic spring)...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29785783/silica-gelatin-hybrid-sol-gel-coatings-a-proteomic-study-with-biocompatibility-implications
#8
N Araújo-Gomes, F Romero-Gavilán, I Lara-Sáez, F Elortza, M Azkargorta, I Iloro, M Martínez-Ibañez, J J Martín de Llano, M Gurruchaga, I Goñi, J Suay, A M Sánchez-Pérez
Osseointegration, including the foreign body reaction to biomaterials, is an immune-modulated, multifactorial, and complex healing process in which various cells and mediators are involved. The buildup of the osseointegration process is immunological and inflammation-driven, often triggered by the adsorption of proteins on the surfaces of the biomaterials and complement activation. New strategies for improving osseointegration use coatings as vehicles for osteogenic biomolecules delivery from implants. Natural polymers, such as gelatin, can mimic collagen I and enhance the biocompatibility of a material...
May 21, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29785105/development-and-blood-compatibility-assessment-of-electrospun-polyvinyl-alcohol-blended-with-metallocene-polyethylene-and-plectranthus-amboinicus-pva-mpe-pa-for-bone-tissue-engineering
#9
Jie Qi, Huang Zhang, Yingzhou Wang, Mohan Prasath Mani, Saravana Kumar Jaganathan
Introduction: Currently, the design of extracellular matrix (ECM) with nanoscale properties in bone tissue engineering is challenging. For bone tissue engineering, the ECM must have certain properties such as being nontoxic, highly porous, and should not cause foreign body reactions. Materials and methods: In this study, the hybrid scaffold based on polyvinyl alcohol (PVA) blended with metallocene polyethylene (mPE) and plectranthus amboinicus (PA) was fabricated for bone tissue engineering via electrospinning...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29784926/clinical-utility-of-circulating-non-coding-rnas-an-update
#10
REVIEW
Simone Anfossi, Anna Babayan, Klaus Pantel, George A Calin
Over the past decade, the amount of research and the number of publications on associations between circulating small and long non-coding RNAs (ncRNAs) and cancer have grown exponentially. Particular focus has been placed on the development of diagnostic and prognostic biomarkers to enable efficient patient management - from early detection of cancer to monitoring for disease recurrence or progression after treatment. Owing to their high abundance and stability, circulating ncRNAs have potential utility as non-invasive, blood-based biomarkers that can provide information on tumour biology and the effects of treatments, such as targeted therapies and immunotherapies...
May 21, 2018: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/29782308/activation-of-herpes-simplex-infection-after-tattoo
#11
Antigona Begolli Gerqari, Mybera Ferizi, Merita Kotori, Aferdita Daka, Syzana Hapciu, Ilir Begolli, Mirije Begolli, Idriz Gerqari
Tattooing is a procedure where ink is applied to an area of the skin, mostly intraepidermally (1). This procedure is carried out mainly for aesthetic purposes. Lately, it has been used as a corrective medical procedure following amputation of mammilla. The procedure is aggressive (2), and the fact that skin is punctured many times with the same needle which cannot be fully sterilized may cause infection of the treated area with bacterial, fungal, or viral agents that may lead to health consequences manifesting in the form of verrucae vulgaris, molluscum contagiosum, and herpes simplex...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29781340/graphene-oxide-enhances-alginate-encapsulated-cells-viability-and-functionality-while-not-affecting-the-foreign-body-response
#12
Jesús Ciriza, Laura Saenz Del Burgo, Haritz Gurruchaga, Francesc E Borras, Marcella Franquesa, Gorka Orive, Rosa Maria Hernández, José Luis Pedraz
The combination of protein-coated graphene oxide (GO) and microencapsulation technology has moved a step forward in the challenge of improving long-term alginate encapsulated cell survival and sustainable therapeutic protein release, bringing closer its translation from bench to the clinic. Although this new approach in cell microencapsulation represents a great promise for long-term drug delivery, previous studies have been performed only with encapsulated murine C2 C12 myoblasts genetically engineered to secrete murine erythropoietin (C2 C12 -EPO) within 160 µm diameter hybrid alginate protein-coated GO microcapsules implanted into syngeneic mice...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29781181/effects-of-phosphatidylserine-containing-supported-lipid-bilayers-on-the-polarization-of-macrophages
#13
Hongxuan Quan, Yongjoon Kim, Hee Chul Park, Hyeong-Cheol Yang
Placement of dental implants initiates inflammatory foreign body response, in which macrophages play a central role and affect the subsequent tissue healing process such as bone formation. The purpose of this study was to fabricate phosphatidylserine (PS)-containing supported lipid bilayers (SLBs) on a titanium surface to regulate the polarization of macrophages, a critical factor that affects following tissue healing and regeneration. The fluorescent recovery after photobleaching (FRAP) images showed that the percentage of PS had a critical influence on the fluidity, and 20% PS had the highest fluidity...
May 20, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29780909/disseminated-silicone-granulomatosis-in-the-face-and-orbit
#14
Tiffany A Chen, Carmel L Mercado, Katie L Topping, Benjamin P Erickson, Kimberly P Cockerham, Andrea L Kossler
Purpose: To report a case of disseminated silicone granulomatosis presenting with ptosis, proptosis and vision loss. Observations: A 56-year-old female presented with ptosis, proptosis, and vision loss and was noted to have palpable, erythematous masses involving the orbit, face, trunk, and body. She had a history of bilateral silicone breast implants and cosmetic facial filler injections. Orbital biopsy demonstrated non-caseating granulomas with foreign-body giant cells and vacuoles containing material consistent with silicone...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29779644/development-of-a-novel-tissue-engineered-nitinol-frame-artificial-trachea-with-native-like-physical-characteristics
#15
Yasuto Sakaguchi, Toshihiko Sato, Yusuke Muranishi, Yojiro Yutaka, Teruya Komatsu, Koichi Omori, Tatsuo Nakamura, Hiroshi Date
BACKGROUND: Tracheal reconstruction is complicated by the short length to which a trachea can be resected. We previously developed a biocompatible polypropylene frame artificial trachea, but it lacked the strength and flexibility of the native trachea. In contrast, nitinol may provide these physical characteristics. We developed a novel nitinol frame artificial trachea and examined its biocompatibility and safety in canine models. METHODS: We constructed several nitinol frame prototypes and selected the frame that most closely reproduced the strength of the native canine trachea...
April 24, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29778124/paraprosthetic-complications-after-endoprosthesis-replacement-of-pelvis-joint-with-implants
#16
Shalginbay A Baimagambetov, Serik S Balgazarov, Zhanatay K Ramazanov, Yelena A Belan, Ruslan S Abilov, Alexey A Dolgov, Amangol S Balgazarov
PURPOSE: The purpose of the paper is shaping of ideas about possible ways of decreasing complications of the analyzed types of operations and identification of opportunities of the impact on the socio-economic environment among the Afro-American population of USA. The paper demonstrates that the issue of coxofemoral prosthesis is not only a purely medical but also a social problem. In particular, availability of timely aid, as well as insurance in the form of surgery, refer to relevance of the range of problems...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29778110/deeply-embedded-presumed-foreign-body-in-the-peripheral-cornea-with-progressive-thinning-and-dellen-formation-april-consultation-1
#17
Majid Moshirfar
No abstract text is available yet for this article.
April 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29776949/an-unusual-case-of-chronic-nasal-foreign-body
#18
Kate Hulse, Christopher Thompson, Rohit Gohil, Iain Hathorn
No abstract text is available yet for this article.
May 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29775050/modulation-of-macrophage-phenotype-by-biodegradable-polyurethane-nanoparticles-the-possible-relation-between-macrophage-polarization-and-immune-response-of-nanoparticles
#19
Yen-Jang Huang, Kun-Che Hung, Huey-Shan Hung, Shan-Hui Hsu
Nanomaterials with surface functionalized by different chemical groups can either provoke or attenuate the immune responses of the nanomaterials, which is critical to their biomedical efficacies. In this study we demonstrate that synthetic waterborne polyurethane nanoparticles (PU NPs) can inhibit the macrophage polarization towards the M1 phenotype, but not M2 phenotype. The surface-functionalized PU NPs decrease the secretion levels of proinflammatory cytokines (TNF-α and IL-1β) for M1 macrophages. Specifically, PU NPs with carboxyl groups on the surface exhibit a greater extent of inhibition on M1 polarization than those with amine groups...
May 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29773418/-the-obstructive-sleep-apnoea-syndrome-is-not-only-bad-for-the-heart
#20
J Rajaoarifetra, A Palot, D Tissier Ducamp, C Tummino, M Gouitaa, P Chanez
Obstructive sleep apnoea (OSA) is common in the general population, particularly in the elderly. This syndrome is frequently responsible for severe cardiovascular complications. However, the indications for its treatment in the elderly remain controversial. We report the case of a 79-year-old man with severe, undiagnosed OSA who inhaled his fixed dental bridge during sleep. The inhaled foreign body came to rest in the lumen of the left main stem bronchus. The association of obesity with a body mass index of 30kg/m2 , snoring with breathing pauses reported by his partner, nocturia, morning headache and an Epworth score of 11 led to polysomnography which confirmed OSA with an apnoea/hypopnoea index of 53 per hour...
May 14, 2018: Revue des Maladies Respiratoires
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