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https://www.readbyqxmd.com/read/28449237/the-environmental-and-host-associated-bacterial-microbiota-of-arctic-seawater-farmed-atlantic-salmon-with-ulcerative-disorders
#1
C Karlsen, K F Ottem, Øyvind Jakobsen Brevik, M Davey, H Sørum, H C Winther-Larsen
The Norwegian aquaculture of Atlantic salmon (Salmo salar L.) is hampered by ulcerative disorders associated with bacterial infections. Chronic ulceration may provide microenvironments that disturb the normal microbial biodiversity of external surfaces. Studying the composition of microbial communities in skin ulcers will enhance our understanding of ulcer aetiology. To achieve this, we tested marine farmed Atlantic salmon and sampled the base and edge of ulcers at the end of winter (April) and end of summer (September), in addition to skin mucus of healthy individuals...
April 27, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28448706/-prognostic-factors-for-post-surgical-complications-in-bone-infection-and-pseudarthrosis
#2
A Cicero-Álvarez, S R León-Hernández, K Gutiérrez-Enríquez, S Zapata-Rivera
Bone infection and nonunion are the main orthopedic and traumatic complications whose treatment remains a challenge because multiple factors are involved in the rate of failures when you try to correct them. Knowing these factors were the problem that caused the research through a prospective longitudinal study of 83 patients of 43.3 ± 16.1 years old. They were treated for aseptic and septic nonunion, osteomyelitis, osteitis, malunion or infected joint replacement. The cases were classified with or without postoperative complications and outcome related to systemic and local factors taken prognostic model Cierny-Mader as factors affecting immune surveillance, metabolism and local vascularization...
September 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28448635/excited-state-dynamics-of-bis-dehydroxycurcumin-tert-butyl-ester-a-diketo-shifted-derivative-of-the-photosensitizer-curcumin
#3
Luca Nardo, Angelo Maspero, Andrea Penoni, Giovanni Palmisano, Erika Ferrari, Monica Saladini
Bis-dehydroxycurcumin tert-butyl ester (K2T23) is a derivative of the natural spice curcumin. Curcumin is widely studied for its multiple therapeutic properties, including photosensitized cytotoxicity. However, the full exploitation of curcumin phototoxic potential is hindered by the extreme instability of its excited state, caused by very efficient non radiative decay by means of transfer of the enolic proton to the nearby keto oxygen. K2T23 is designed to exhibit a tautomeric equilibrium shifted toward the diketo conformers with respect to natural curcumin...
2017: PloS One
https://www.readbyqxmd.com/read/28448623/development-of-the-cutaneous-microbiome-in-the-preterm-infant-a-prospective-longitudinal-study
#4
Mohan Pammi, Jacqueline L O'Brien, Nadim J Ajami, Matthew C Wong, James Versalovic, Joseph F Petrosino
BACKGROUND: Neonatal sepsis in preterm infants is often due to organisms that colonize the skin including Staphylococcus spp. and Candida spp. Development and maturation of the skin microbiome in the neonatal period, especially in preterm infants, may be critical in preventing colonization with pathogens and subsequent progression to neonatal sepsis. Development of the skin microbiome in preterm infants or its determinants in the first 4 weeks of life has not been evaluated. METHODS: We evaluated the skin microbiome from three body sites, antecubital fossa, forehead and gluteal region, in a prospective cohort of 15 preterm (birth weight < 1500 g and < 32 weeks of gestation) and 15 term neonates...
2017: PloS One
https://www.readbyqxmd.com/read/28448311/surgical-techniques-for-closure-of-a-scalp-defect-after-resection-of-skin-malignancy
#5
Maciej Rysz, Dariusz Grzelecki, Maciej Mazurek, Stanisław Starościak, Romuald Krajewski
BACKGROUND: Surgery for scalp malignancies is aimed at the complete resection and a good aesthetic outcome. The goal was to develop an algorithm for scalp reconstruction based on the authors' surgical experience. METHODS: This is a retrospective analysis of 123 procedures of scalp malignancies in 105 patients. Twenty eight procedures were for resection of squamous cell carcinoma, 54 for basal cell carcinoma, and 41 for suspected melanomas. RESULTS: Primary closure (27 procedures), local flap (LF; 19), split-thickness skin graft (SG; 64), rotated LF and SG (9), and free vascularized flaps (4) were used...
April 12, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28448262/an-unusually-large-carbuncle-of-the-temporofacial-region-demonstrating-remarkable-post-debridement-wound-healing-process-a-case-report
#6
Humaid Ahmad, Sheeraz Shakoor Siddiqui
Skin carbuncles are debilitating skin infections commonly seen in elderly patients with diabetes. These infections develop when a cluster of adjacent furuncles coalesce to form one inflammatory mass. While they commonly occur on the nape of the neck and back, rarer sites involving the face and head have been noted. Management of these rare sites is urgent because of the potential intracranial complications and the surgical outcome is often unsatisfactory due to associated facial scarring. Intraoral drainage is advocated to avoid this; however, when the carbuncle involves a larger area, debridement from the exterior is necessary...
April 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28448197/surgical-site-infections-and-associated-operative-characteristics
#7
Paul K Waltz, Brian S Zuckerbraun
Surgical site infection (SSI) contributes significantly to surgical morbidity. Patient factors and operative factors contribute to the risk of development of SSI. This review focuses on understanding operative characteristics that are associated with an increased risk of SSI. Much attention has been given to protocol care to reduce SSI, such as hair removal, skin preparation, and pre-operative antibiotic agents. Even with this, the appropriate antibiotic and re-dosing regimens often remain a challenge. Other operative factors such as blood loss/transfusion, emergency/urgent cases, duration of the operation, type of anesthesia, and resident involvement are also potentially modifiable to reduce the risk of SSI...
April 27, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28447896/nanoemulsion-is-an-effective-antimicrobial-for-methicillin-resistant-staphylococcus-aureus-in-infected-wounds
#8
Zhengyi Cao, Theodore Spilker, Yongyi Fan, Linda M Kalikin, Susan Ciotti, John J LiPuma, Paul E Makidon, John Erby Wilkinson, James R Baker, Su He Wang
AIM: To develop NB-201, a nanoemulsion compound, as a novel microbicidal agent against methicillin-resistant Staphylococcus aureus (MRSA) infection, which is a common threat to public health but with limited therapeutic options. MATERIALS & METHODS: NB-201 was tested in in vitro and in vivo murine and porcine models infected with MRSA. RESULTS: Topical treatment of MRSA-infected wounds with NB-201 significantly decreased bacterial load and had no toxic effects on healthy skin tissues...
April 27, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28447489/forodesine-in-the-treatment-of-cutaneous-t-cell-lymphoma
#9
Daniel J Lewis, Madeleine Duvic
Cutaneous T-cell lymphoma (CTCL) is characterized by the accumulation of neoplastic CD4+ T lymphocytes in the skin. Given the lack of curative treatments for CTCL, there is a significant need for new, superior therapies. Forodesine is a transition-state analogue that inhibits purine nucleoside phosphorylase. Because it selectively targets T lymphocytes, it represents a drug of interest for the treatment of CTCL. Areas covered: Phase I/II dose-ranging studies of intravenous (IV) and oral forodesine demonstrated its activity, safety, and tolerability for refractory CTCL...
April 27, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28447325/interferon-free-therapy-with-sofosbuvir-plus-ribavirin-for-successful-treatment-of-genotype-2-hepatitis-c-virus-with-lichen-planus-a-case-report
#10
Ayumu Yoshikawa, Katsumi Terashita, Kenichi Morikawa, Soichiro Matsuda, Takahiro Yamamura, Koichiro Sarashina, Shintaro Nakano, Yoshimitsu Kobayashi, Susumu Sogabe, Kazuhiro Takahashi, Shin Haba, Hisashi Oda, Tatsuro Takahashi, Takuto Miyagishima, Naoya Sakamoto
Hepatitis C virus (HCV) infection remains the main cause of liver disease and can lead to chronic hepatitis, cirrhosis, and hepatocellular carcinoma. HCV may also develop extrahepatic manifestations in the skin, eyes, joints, kidneys, nervous system, and immune system. In fact, several studies reported that up to 70% of HCV patients experienced extrahepatic manifestations. Lichen planus (LP), which is an immune system disorder that is triggered by viral infections, allergens, and stress, can affect the skin, mouth, nails, and scalp...
April 26, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28446911/the-immune-response-against-acinetobacter-baumannii-an-emerging-pathogen-in-nosocomial-infections
#11
REVIEW
María Guadalupe García-Patiño, Rodolfo García-Contreras, Paula Licona-Limón
Acinetobacter baumannii is the etiologic agent of a wide range of nosocomial infections, including pneumonia, bacteremia, and skin infections. Over the last 45 years, an alarming increase in the antibiotic resistance of this opportunistic microorganism has been reported, a situation that hinders effective treatments. In order to develop effective therapies against A. baumannii it is crucial to understand the basis of host-bacterium interactions, especially those concerning the immune response of the host...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28446739/suspected-cutaneous-leishmaniasis-in-a-sample-of-westerns-sicily-residents-what-correlation-with-occupation
#12
Maria Gabriella Verso, Fabrizio Vitale, Germano Castelli, Federica Bruno, Antonella Migliazzo, Maria Rita Bongiorno, Fiorella Santi, Giuseppe Pistone, Emanuele Amodio, Diego Picciotto
BACKGROUND: Leishmaniasis is a widespread infectious disease, but there is not much information about its prevalence in high risk occupational categories. OBJECTIVES: The aim of this study is to assess the prevalence of Leishmania immunological positivity in human skin tissues collected from subjects living in Western Sicily, with suspected cutaneous Leishmania infection, in order to explore the risk possibly related to occupation. METHODS: 318 consecutive subjects (M/F ratio=1...
April 21, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/28446137/progressive-cutaneous-cryptococcosis-complicated-with-meningitis-in-a-myasthenia-gravis-patient-on-long-term-immunosuppressive-therapy-a-case-report
#13
Nguyen Thi Cam Huong, Ahmed M A Altibi, Nguyen My Hoa, Le Anh Tuan, Samar Salman, Sara Morsy, Nguyen Thi Bich Lien, Nguyen Thanh Truong, Nguyen Thi Hoang Mai, Pham Thi Le Hoa, Nguyen Ba Thang, Van The Trung
BACKGROUND: Cryptococcosis is an opportunistic infection caused by the encapsulated yeast Cryptococcus neoformans and most remarkably manifests in HIV-infected individuals, especially in the settings of very low CD4 count. Development of cryptococcosis in HIV-uninfected individuals is exceedingly rare and usually signifies a marked immunodeficiency. Cryptococcosis in association with myasthenia gravis or thymoma has been previously documented in only very few cases in the literature. CASE PRESENTATION: We reported a complicated case of severe cutaneous cryptococcosis in a 39-year-old Vietnamese male patient with myasthenia gravis on long-term immunosuppressive therapy...
April 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28445957/peripheral-kynurenine-tryptophan-ratio-is-not-a-reliable-marker-of-systemic-indoleamine-2-3-dioxygenase-a-lesson-drawn-from-patients-on-hemodialysis
#14
Yuanhan Chen, Zhen Xie, Chenggen Xiao, Min Zhang, Zhilian Li, Jianteng Xie, Yusheng Zhang, Xingchen Zhao, Pengfei Zeng, Liyi Mo, Xinling Liang, Wei Shi
Indoleamine 2,3-dioxygenase (IDO) has emerged as a pivotal enzyme for mediating immune tolerance. Because IDO metabolizes tryptophan into kynurenine, the plasma kynurenine/tryptophan (Kyn/Trp) ratio has been widely used as a marker of systemic IDO. Here, we evaluated the clinical value of using the plasma Kyn/Trp ratio to estimate cell-mediated immune responses to tuberculin skin testing and risk of new bacterial infection. We also compared the Kyn/Trp ratio to a novel IDO marker, the IDO median fluorescence index (MFI) of peripheral blood mononuclear cells, which was determined by flow cytometry...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445543/comparative-genomic-analysis-between-corynebacterium-pseudotuberculosis-strains-isolated-from-buffalo
#15
Marcus Vinicius Canário Viana, Henrique Figueiredo, Rommel Ramos, Luis Carlos Guimarães, Felipe Luiz Pereira, Fernanda Alves Dorella, Salah Abdel Karim Selim, Mohammad Salaheldean, Artur Silva, Alice R Wattam, Vasco Azevedo
Corynebacterium pseudotuberculosis is a Gram-positive, pleomorphic, facultative intracellular pathogen that causes Oedematous Skin Disease (OSD) in buffalo. To better understand the pathogenic mechanisms of OSD, we performed a comparative genomic analysis of 11 strains of C. pseudotuberculosis isolated from different buffalo found to be infected in Egypt during an outbreak that occurred in 2008. Sixteen previously described pathogenicity islands (PiCp) were present in all of the new buffalo strains, but one of them, PiCp12, had an insertion that contained both a corynephage and a diphtheria toxin gene, both of which may play a role in the adaptation of C...
2017: PloS One
https://www.readbyqxmd.com/read/28445444/pharmaceutical-equivalence-of-clarithromycin-oral-dosage-forms-marketed-in-nairobi-county-kenya
#16
Rebecca O Manani, Kennedy O Abuga, Hezekiah K Chepkwony
Clarithromycin is a broad-spectrum semi-synthetic macrolide indicated for treatment of pneumonias, Helicobacter pylori, and chlamydial and skin infections. The object of this study was to evaluate the pharmaceutical equivalence of 14 generic clarithromycin products marketed in Nairobi County, Kenya, to the innovator products, using in vitro dissolution profiles and similarity factors (f₂). Further, dissolution profiles of four innovator formulations manufactured in different sites were compared. Fourteen clarithromycin tablets/capsules and four suspensions were subjected to assay and comparative dissolution runs at pH 1...
April 26, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28445380/a-formidable-foe-is-sabotaging-your-results-what-you-should-know-about-biofilms-and-wound-healing
#17
Jenny C Barker, Ibrahim Khansa, Gayle M Gordillo
LEARNING OBJECTIVES: After reading this article, the participant should be able to: 1. Describe biofilm pathogenesis as it relates to problem wounds. 2. Understand the preclinical and clinical evidence implicating biofilm in problem wounds. 3. Explain the diagnostic and treatment challenges that biofilms create for problem wounds. 4. Demonstrate a basic understanding of emerging strategies aimed at counteracting these processes. SUMMARY: Biofilm represents a protected mode of growth for bacteria, allowing them to evade standard diagnostic techniques and avoid eradication by standard therapies...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445378/the-impact-of-body-mass-index-on-abdominal-wall-reconstruction-outcomes-a-comparative-study
#18
Salvatore A Giordano, Patrick B Garvey, Donald P Baumann, Jun Liu, Charles E Butler
BACKGROUND: Obesity and higher body mass index may be associated with higher rates of wound healing complications and hernia recurrence rates following complex abdominal wall reconstruction. The authors hypothesized that higher body mass indexes result in higher rates of postoperative wound healing complications but similar rates of hernia recurrence in abdominal wall reconstruction patients. METHODS: The authors included 511 consecutive patients who underwent abdominal wall reconstruction with underlay mesh...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445273/staged-management-of-open-lisfranc-injury-experience-from-14-patients
#19
Wenqi Gu, Zhongmin Shi
There are still controversies on the management and outcome of open Lisfranc injury in available studies. This study evaluates the staged management of Lisfranc injury and its complications.Patients who received a staged strategy for open Lisfranc injury were reviewed.One patient with degloving injury suffered from partial skin and hallux necrosis which was treated by debridement, hallux amputation, definitive internal fixation, and local flap transfer on the 12th day after first stage management. A definitive internal fixation and simultaneous skin graft or flap coverage were performed in another 3 patients with soft tissue defects...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445008/prevalence-of-complement-mediated-cell-lysis-like-gene-sicg-in-streptococcus-dysgalactiae-subsp-equisimilis-isolates-from-japan-2014-2016
#20
Takashi Takahashi, Tomohiro Fujita, Akiyoshi Shibayama, Yuzo Tsuyuki, Haruno Yoshida
BACKGROUND: Streptococcus dysgalactiae subsp. equisimilis (SDSE; a β-hemolytic streptococcus of human or animal origin) infections are emerging worldwide. We evaluated the clonal distribution of complement-mediated cell lysis-like gene (sicG) among SDSE isolates from three central prefectures of Japan. METHODS: Group G/C β-hemolytic streptococci were collected from three institutions from April 2014 to March 2016. Fifty-five strains (52 from humans and three from animals) were identified as SDSE on the basis of 16S rRNA sequencing data...
July 2017: Annals of Laboratory Medicine
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