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https://www.readbyqxmd.com/read/28214491/relationship-between-patient-reported-symptoms-limitations-in-daily-activities-and-psychological-impact-in-varicose-veins
#1
Rajiv Mallick, Brajesh Kumar Lal, Claire Daugherty
OBJECTIVE: The objective of this study was to evaluate the relationship between patient-reported symptoms, functional limitations, and psychological impact of varicose veins (VVs) vs pathophysiologic mechanism, incorporating demographic and behavioral factors. METHODS: We conducted a pooled analysis from two clinical studies (Efficacy and Safety Study of Polidocanol Injectable Foam for the Treatment of Saphenofemoral Junction Incompetence [VANISH-1] and Polidocanol Endovenous Microfoam Versus Vehicle for the Treatment of Saphenofemoral Junction Incompetence [VANISH-2]) in patients with VVs (superficial venous reflux only)...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214438/stepwise-dynamics-of-an-anionic-micellar-film-formation-of-crown-lenses
#2
Jongju Lee, Alex Nikolov, Darsh Wasan
We studied the stepwise thinning of a microscopic circular foam film formed from an anionic micellar solution of sodium dodecyl sulfate (SDS). The foam film formed from the SDS micellar solution thins in a stepwise manner by the formation and expansion of a dark spot(s) of one layer less than the film thickness. During the last stages of film thinning (e.g., a film with one micellar layer), the dark spot expansion occurs via two steps. Initially, a small dark circular spot inside a film of several microns in size is formed, which expands at a constant rate...
January 31, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28214397/a-case-of-iv-degree-on-acute-radiation-dermatitis-in-china
#3
Zhen Shen, Ya-Hong Chen, Yue Chen, Yan Chen, Zhe Lv, Hai-Cheng Gao
This report investigates the nursing procedure of a case of adjuvant therapy of rectal cancer on IV degree of acute radiation dermatitis patients in the penis and scrotum junction. The lesion degree gradually increased. Fixation of the dressing was difficult in the penis and scrotum junction. The concept of wet healing with new dressings was used in patient. The silver ion dressings were used in inhibiting infection, and the wound was covered by the rimmed foam dressings. When it comes to the shaping period, water gel transparent paste was applied instead to cover the wound...
February 2, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28210390/a-case-of-lichen-planus-pigmentosus-with-facial-dyspigmentation-responsive-to-combination-therapy-with-chemical-peels-and-topical-retinoids
#4
Marisa Wolff, Nina Sabzevari, Charles Gropper, Cindy Hoffman
Lichen planus pigmentosus is a photodistributed dyschromia of unknown etiology described clinically as hyperpigmented gray-blue or brown-black macules or patches in a photodistributed pattern. Although there has been some debate, lichen planus pigmentosus is considered by many to be a separate diagnostic entity from ashy dermatosis or erythema dyschromicum perstans, which shares similar characteristics. Various treatment strategies have been applied to help resolve or improve the appearance of lichen planus pigmentosus lesions; however, an optimal treatment method is yet to be elucidated...
November 2016: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28210058/comparing-the-interface-pressure-redistribution-after-applying-three-different-types-of-cushions-differences-according-to-cushion-type
#5
Ji-Su Park, Sang-Heon Lee
[Purpose] The purpose of this study was to compare the interface pressure redistribution when sitting after applying three different types of cushions and on a firm surface in individuals in their 20s and those older than 60 years old. [Subjects and Methods] Healthy 100 elderly (60 years and older) subjects and 111 college students participated in this study. Interface pressure redistribution while sitting on a firm surface or honeycomb, air, and memory foam cushions, examined in that order. [Results] For all groups, significant differences were found in the total pressure mean among sitting states...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28210039/comparing-the-interface-pressure-redistribution-of-three-different-types-of-cushions-differences-according-to-age-groups-and-cushion-preferences
#6
Ji-Su Park, Sang-Heon Lee
[Purpose] The purpose of this study was to analyze the change in interface pressure redistribution of three different types of cushions sat on by individuals in their 20s and older than 60 years old. [Subjects and Methods] One hundred and eleven college students and 100 persons than 60 years old were recruited. Sitting pressure redistribution was measured while subjects sat without cushions or on honeycomb, air, and memory foam cushions in that order. Subsequently, the cushion preference was measured. After obtaining all measurements, the mean total pressure and each quadrant's mean and peak pressure were analyzed...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209562/vinexin-%C3%AE-ablation-inhibits-atherosclerosis-in-apolipoprotein-e-deficient-mice-by-inactivating-the-akt-nuclear-factor-%C3%AE%C2%BAb-inflammatory-axis
#7
Hongjing Guan, Wen-Lin Cheng, Junhong Guo, Meng-Lin Chao, Yan Zhang, Jun Gong, Xue-Yong Zhu, Zhi-Gang She, Zan Huang, Hongliang Li
BACKGROUND: Vinexin β is a novel adaptor protein that regulates cellular adhesion, cytoskeletal reorganization, signal transduction, and transcription; however, the exact role that vinexin β plays in atherosclerosis remains unknown. METHODS AND RESULTS: Immunoblot analysis showed that vinexin β expression is upregulated in the atherosclerotic lesions of both patients with coronary heart disease and hyperlipemic apolipoprotein E-deficient mice and is primarily localized in macrophages indicated by immunofluorescence staining...
February 16, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28209012/a-case-of-verruciform-xanthoma-arising-in-the-tongue
#8
Yukihiro Hiraishi, Itaru Tojyo, Norifumi Kiga, Koji Tanimoto, Shigeyuki Fujita
Verruciform Xanthoma (VX) is a rare lesion of the oral cavity. Histologically, it is characterized by papillary or verrucous proliferation of squamous epithelium and numerous foam cells. VX arising in the tongue is comparatively rare, as most cases of VX in oral cavity occur in gingiva. A 65-year-old woman was referred to our clinic with a mass on the left side of the tongue. The lesion was yellowish, and its surface was granulated. The patient had neither tenderness nor any symptoms. The lesion was clinically diagnosed to be a benign tumor, and hence, biopsy was performed, according to which it was diagnosed as hyperparakeratosis...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207870/impaired-hdl2-mediated-cholesterol-efflux-is-associated-with-metabolic-syndrome-in-families-with-early-onset-coronary-heart-disease-and-low-hdl-cholesterol-level
#9
Timo Paavola, Sanna Kuusisto, Matti Jauhiainen, Sakari Kakko, Tiia Kangas-Kontio, Jari Metso, Pasi Soininen, Mika Ala-Korpela, Risto Bloigu, Minna L Hannuksela, Markku J Savolainen, Tuire Salonurmi
OBJECTIVE: The potential of high-density lipoproteins (HDL) to facilitate cholesterol removal from arterial foam cells is a key function of HDL. We studied whether cholesterol efflux to serum and HDL subfractions is impaired in subjects with early coronary heart disease (CHD) or metabolic syndrome (MetS) in families where a low HDL-cholesterol level (HDL-C) predisposes to early CHD. METHODS: HDL subfractions were isolated from plasma by sequential ultracentrifugation...
2017: PloS One
https://www.readbyqxmd.com/read/28205069/transcriptomic-analysis-of-thp-1-macrophages-exposed-to-lipoprotein-hydrolysis-products-generated-by-lipoprotein-lipase
#10
Narmadaa Thyagarajan, Jenika D Marshall, Arthur T Pickett, Clemens Schumacher, Yanbo Yang, Sherri L Christian, Robert J Brown
Macrophage lipoprotein lipase (LPL) induces lipid accumulation and promotes atherosclerosis. However, the effects of lipoprotein hydrolysis products generated by LPL on macrophage-derived foam cell formation are not clearly understood. Thus, we analyzed the transcriptomic response to hydrolysis products via microarray analyses on RNA isolated from human THP-1 macrophages incubated with total lipoprotein hydrolysis products generated by LPL. The expression of 183 transcripts was significantly upregulated and 133 transcripts were significantly downregulated...
February 15, 2017: Lipids
https://www.readbyqxmd.com/read/28202546/identification-of-a-novel-series-of-anti-inflammatory-and-anti-oxidative-phospholipid-oxidation-products-containing-cyclopentenone-moiety-in-vitro-and-in-vivo-implication-in-atherosclerosis
#11
Jianhong Lu, Shuyuan Guo, Xinli Xue, Qun Chen, Jing Ge, Yujuan Zhuo, Huiqin Zhong, Buxing Chen, Mingming Zhao, Wei Han, Takashi Suzuki, Mingjiang Zhu, Lin Xia, Claus Schneider, Timothy S Blackwell, Ned A Porter, Lemin Zheng, Sotirios Tsimikas, Huiyong Yin
Oxidative stress and inflammation are two major contributing factors to atherosclerosis, a leading cause for cardiovascular diseases (CVDs). Oxidation of phospholipids on the surface of low density lipoprotein (LDL) particles generated under oxidative stress has been associated with the progression of atherosclerosis but the underlying molecular mechanisms remain poorly defined. We identified a novel series of oxidation products containing cyclopentenone moiety, termed deoxy-A2/J2-isoprostanes-phosphocholine (deoxy-A2/J2-IsoP-PC), from 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine (PAPC) in vivo using mass spectrometry and by comparison to a chemically synthesized standard...
February 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28202274/marine-debris-in-five-national-parks-in-alaska
#12
L Polasek, J Bering, H Kim, P Neitlich, B Pister, M Terwilliger, K Nicolato, C Turner, T Jones
Marine debris is a management issue with ecological and recreational impacts for agencies, especially on remote beaches not accessible by road. This project was implemented to remove and document marine debris from five coastal National Park Service units in Alaska. Approximately 80km of coastline were cleaned with over 10,000kg of debris collected. Marine debris was found at all 28 beaches surveyed. Hard plastics were found on every beach and foam was found at every beach except one. Rope/netting was the next most commonly found category, present at 23 beaches...
February 12, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28199940/measurement-of-polyurethane-foam-air-partition-coefficients-for-semivolatile-organic-compounds-as-a-function-of-temperature-application-to-passive-air-sampler-monitoring
#13
Ana Paula Francisco, Tom Harner, Anita Eng
Polyurethane foam - air partition coefficients (KPUF-air) for 9 polycyclic aromatic hydrocarbons (PAHs), 10 alkyl-substituted PAHs, 4 organochlorine pesticides (OCPs) and dibenzothiophene were measured as a function of temperature over the range 5 °C-35 °C, using a generator column approach. Enthalpies of PUF-to-air transfer (ΔHPUF-air, kJ/mol) were determined from the slopes of log KPUF-air versus 1000/T (K), and have an average value of 81.2 ± 7.03 kJ/mol. The log KPUF-air values at 22 °C ranged from 4...
January 31, 2017: Chemosphere
https://www.readbyqxmd.com/read/28198612/multilayered-electride-ca2n-electrode-via-compression-molding-fabrication-for-sodium-ion-batteries
#14
Guanghai Chen, Ying Bai, Hui Li, Yu Li, Zhaohua Wang, Qiao Ni, Lu Liu, Feng Wu, Yugui Yao, Chuan Wu
Pursuing for novel electrode materials is significant for the progress of sodium ion batteries (SIBs). Here, a multilayered electride prepared by simple thermal decomposition of solid Ca3N2, namely Ca2N, is introduced as a new anode material of SIBs for the first time, and a compression molding electrode fabricated by pressing Ca2N powder into nickel foam is applied to protect Ca2N from trace moisture and oxygen. The as-prepared electrode delivers an initial discharge capacity of 1110.5 mAh g(-1) and a reversible discharge capacity of ∼320 mAh g(-1)...
February 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28195000/prevention-of-tracheostomy-related-hospital-acquired-pressure-ulcers
#15
Thomas R O'Toole, Natalie Jacobs, Brian Hondorp, Laura Crawford, Lisa R Boudreau, Jill Jeffe, Brian Stein, Phillip LoSavio
Objective To determine if standardization of perioperative tracheostomy care procedures decreased the incidence of hospital-acquired tracheostomy-related pressure ulcers. Methods All patients at least 18 years old who underwent placement of a tracheostomy tube in the operating room from July 1, 2014, through June 30, 2015, were cared for postoperatively through an institutionally adopted quality improvement protocol. This included 4 elements: (1) placement of a hydrocolloid dressing underneath the tracheostomy flange in the postoperative period, (2) removal of plate sutures within 7 days of the tracheostomy procedure, (3) placement of a polyurethane foam dressing after suture removal, and (4) neutral positioning of the head...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28193630/mycolates-of-mycobacterium-tuberculosis-modulate-the-flow-of-cholesterol-for-bacillary-proliferation-in-murine-macrophages
#16
Ilke Vermeulen, Mark Baird, Juma Al-Dulayymi, Muriel Smet, Jan Verschoor, Johan Grooten
The differentiation of macrophages into lipid-filled foam cells is a hallmark of the lung granuloma that forms in patients with active tuberculosis (TB). Mycolic acids (MAs), the abundant lipid virulence factors in the cell wall of Mycobacterium tuberculosis (Mtb), can induce this foam phenotype possibly as a way to perturb host cell lipid homeostasis to support the infection. It is not exactly clear how MAs allow differentiation of foam cells during Mtb infection. Here we investigated how chemically synthetic MAs, each with a defined stereochemistry similar to natural Mtb-associated mycolates, influence cell foamy phenotype and mycobacterial proliferation in murine host macrophages...
February 13, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28192932/assessment-of-the-influence-of-soil-characteristics-and-hydrocarbon-fuel-cocontamination-on-the-solvent-extraction-of-perfluoroalkyl-and-polyfluoroalkyl-substances
#17
Sandra Mejia-Avendaño, Gabriel Munoz, Sébastien Sauvé, Jinxia Liu
Sites impacted by the use of aqueous film-forming foams (AFFFs) present elevated concentrations of perfluoroalkyl and polyfluoroalkyl substances (PFAS). The characterization of the PFAS contamination at such sites may be greatly complicated by the presence of hydrocarbon cocontaminants and by the large variety of PFAS potentially present in AFFFs. In order to further a more comprehensive characterization of AFFF-contaminated soils, the solvent extraction of PFAS from soil was studied under different conditions...
February 6, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28192887/linking-resistin-inflammation-and-cardiometabolic-diseases
#18
Hyeong Kyu Park, Mi Kyung Kwak, Hye Jeong Kim, Rexford S Ahima
Adipose tissue secretes a variety of bioactive substances that are associated with chronic inflammation, insulin resistance, and an increased risk of type 2 diabetes mellitus. While resistin was first known as an adipocyte-secreted hormone (adipokine) linked to obesity and insulin resistance in rodents, it is predominantly expressed and secreted by macrophages in humans. Epidemiological and genetic studies indicate that increased resistin levels are associated with the development of insulin resistance, diabetes, and cardiovascular disease...
February 16, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28192663/surfactant-free-solid-dispersions-of-hydrophobic-drugs-in-an-amorphous-sugar-matrix-dried-from-an-organic-solvent
#19
Koji Takeda, Yuto Gotoda, Daichi Hirota, Fumihiro Hidaka, Tomo Sato, Tsutashi Matsuura, Hiroyuki Imanaka, Naoyuki Ishida, Koreyoshi Imamura
The technique for homogeneously dispersing hydrophobic drugs in a water-soluble solid matrix (solid dispersion) is a subject that has been extensively investigated in the pharmaceutical industry. Herein, a novel technique for dispersing a solid, without the need to use a surfactant, is reported. A freeze-dried amorphous sugar sample was dissolved in an organic solvent, that contained a soluble model hydrophobic component. The suspension of the sugar and the model hydrophobic component was vacuum foam dried to give a solid powder...
February 13, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28191583/a-hierarchically-porous-nickel-copper-phosphide-nano-foam-for-efficient-electrochemical-splitting-of-water
#20
Li Wei, Kunli Goh, Özgür Birer, H Enis Karahan, Jian Chang, Shengli Zhai, Xuncai Chen, Yuan Chen
Electrochemical splitting of water to produce oxygen (O2) and hydrogen (H2) through a cathodic hydrogen evolution reaction (HER) and an anodic oxygen evolution reaction (OER) is a promising green approach for sustainable energy supply. Here we demonstrated a porous nickel-copper phosphide (NiCuP) nano-foam as a bifunctional electrocatalyst for highly efficient total water splitting. Prepared from a bubble-templated electrodeposition method and subsequent low-temperature phosphidization, NiCuP has a hierarchical pore structure with a large electrochemical active surface area...
February 13, 2017: Nanoscale
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