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https://www.readbyqxmd.com/read/28532527/how-i-do-it-underwater-endoscopic-ear-surgery-for-plugging-in-superior-canal-dehiscence-syndrome
#1
D Yamauchi, Y Hara, H Hidaka, T Kawase, Y Katori
BACKGROUND: Underwater endoscopic ear surgery does not require suction and so protects the inner ear from unexpected aeration that may damage its function in the treatment of labyrinthine fistula. A method of underwater endoscopic ear surgery is proposed for the treatment of superior canal dehiscence. METHODS: Underwater endoscopic ear surgery was performed for plugging of the superior semicircular canal through the transmastoid approach. Saline solution was infused into the mastoid cavity through an Endo-Scrub Lens Cleaning Sheath...
May 23, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28531311/the-genotypes-of-orientia-tsutsugamushi-identified-in-scrub-typhus-patients-in-northern-vietnam
#2
Hang L K Nguyen, Hang T T Pham, Tinh V Nguyen, Phuong Vm Hoang, Mai T Q Le, Taichiro Takemura, Futoshi Hasebe, Daisuke Hayasaka, Akio Yamada, Kozue Hotta
Background: There are an estimated one million patients with scrub typhus in the Asia-Pacific region. There are few reports describing the incidence of scrub typhus in Vietnam. Methods: Blood samples collected from 63 patients clinically diagnosed as having scrub typhus from July 2015 to September 2016 were subjected to genotyping of Orientia tsutsugamushi. Results and Conclusions: Of these patients, 42 (67%) tested positive for O. tsutsugamushi, and the most common genotype was identified to be Karp (55%)...
May 22, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28529271/evidence-of-infection-with-leptospira-interrogans-and-spotted-fever-group-rickettsiae-among-rodents-in-an-urban-area-of-osaka-city-japan
#3
Kenta Shimizu, Rie Isozumi, Kazutoshi Takami, Isao Kimata, Kanae Shiokawa, Kumiko Yoshimatsu, Yoshimi Tsuda, Sanae Nishio, Jiro Arikawa
We examined 33 rodents captured in an urban area of Osaka City, Japan for IgG antibodies against Seoul virus, severe fever with thrombocytopenia syndrome virus, hepatitis E virus, Leptospira interrogans, Yersinia pestis, spotted fever, typhus and scrub typhus group rickettsiae. We found that 3 (9.1%) and 1 (3.0%) of the 33 rodents had antibodies against L. interrogans and spotted fever group rickettsiae, respectively. DNAs of leptospires were detected from 2 of the 3 seropositive rodents, but DNA of rickettsia was not detected...
May 22, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28510195/meso-or-xeromorphic-foliar-characters-of-asteraceae-in-a-xeric-scrub-of-mexico
#4
Patricia Rivera, José Luis Villaseñor, Teresa Terrazas
BACKGROUND: The anatomical traits associated with water deficit are also observed in plants growing in poor soils. The species may resist water deficit through three main strategies: escape, avoid or tolerate. The Pedregal de San Ángel Ecological Reserve (REPSA), Mexico, is an environment with low nutrient soil and low water availability. It is set on the basalt formation derived from the Xitle volcano eruption. The main vegetation type is characterized as xerophytic shrub. Thus we expect that species growing in this community will show leaf xeromorphic traits and may have any of the three response strategies...
December 2017: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/28500808/seroprevalence-of-scrub-typhus-typhus-and-spotted-fever-among-rural-and-urban-populations-of-northern-vietnam
#5
Nguyen Vu Trung, Le Thi Hoi, Nguyen Thi Hong Thuong, Tran Khanh Toan, Tran Thi Kieu Huong, Tran Mai Hoa, Annette Fox, Nguyen van Kinh, H Rogier van Doorn, Heiman F L Wertheim, Juliet E Bryant, Behzad Nadjm
AbstractRickettsial infections are recognized as important causes of fever throughout southeast Asia. Herein, we determined the seroprevalence to rickettsioses within rural and urban populations of northern Vietnam. Prevalence of individuals with evidence of prior rickettsial infections (IgG positive) was surprisingly low, with 9.14% (83/908) testing positive to the three major rickettsial serogroups thought to circulate in the region. Prevalence of typhus group rickettsiae (TG)-specific antibodies (6.5%, 58/908) was significantly greater than scrub typhus group orientiae (STG)- or spotted fever group rickettsiae (SFG)-specific antibodies (P < 0...
May 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28500798/persistent-sick-sinus-syndrome-in-scrub-typhus
#6
Lae-Young Jung, Ji-Young Yoon, Soo-Kyeong Song, Chang-Seop Lee
No abstract text is available yet for this article.
May 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28483497/bio-methane-from-an-aerobic-digestion-using-activated-carbon-adsorption
#7
Muhammad Farooq, Alexandra H Bell, M N Almustapha, John M Andresen
There is an increasing global demand for carbon-neutral bio-methane from an-aerobic digestion (AD) to be injected into national gas grids. Bio-gas, a methane -rich energy gas, is produced by microbial decomposition of organic matter through an-aerobic conditions where the presence of carbon dioxide and hydrogen sulphide affects its performance. Although the microbiological process in the AD can be tailored to enhance the bio-gas composition, physical treatment is needed to convert the bio-gas into bio-methane...
May 5, 2017: Anaerobe
https://www.readbyqxmd.com/read/28483367/energy-environmental-and-operation-aspects-of-a-srf-fired-fluidized-bed-waste-to-energy-plant
#8
Sabino De Gisi, Agnese Chiarelli, Luca Tagliente, Michele Notarnicola
A methodology based on the ISO 14031:2013 guideline has been developed and applied to a full-scale fluidized bed waste to energy plant (WtE) burning solid recovered fuel (SRF). With reference to 3years of operation, the data on energy and environmental performance, on raw materials consumptions such as sand and diesel fuel, accidental reasons of plant shutdown, have been acquired and analyzed. The obtained results have allowed to quantify the energy and environmental performance of the WtE plant under investigation by varying the amount and mixings of the inlet waste, available in form of thickened and fluff (similar to coriander) SRF...
May 5, 2017: Waste Management
https://www.readbyqxmd.com/read/28480010/testing-the-role-of-ancient-and-contemporary-landscapes-on-structuring-genetic-variation-in-a-specialist-grasshopper
#9
Víctor Noguerales, Pedro J Cordero, Joaquín Ortego
Understanding the processes underlying spatial patterns of genetic diversity and structure of natural populations is a central topic in evolutionary biogeography. In this study, we combine data on ancient and contemporary landscape composition to get a comprehensive view of the factors shaping genetic variation across the populations of the scrub-legume grasshopper (Chorthippus binotatus binotatus) from the biogeographically complex region of southeast Iberia. First, we examined geographical patterns of genetic structure and employed an approximate Bayesian computation (ABC) approach to compare different plausible scenarios of population divergence...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28474627/scrub-typhus-in-uttarakhand-adjoining-uttar-pradesh-seasonality-clinical-presentations-predictors-of-mortality
#10
Anurag Bhargava, Reshma Kaushik, Rajeev Mohan Kaushik, Anita Sharma, Sohaib Ahmad, Minakshi Dhar, Garima Mittal, Sushant Khanduri, Priyannk Pant, Rajesh Kakkar
BACKGROUND & OBJECTIVES: Scrub typhus is a re-emerging mite-borne rickettsiosis, which continues to be underdiagnosed, with lethal consequences. The present study was conducted to determine the seasonality, clinical presentation and predictors of mortality in patients with scrub typhus at a tertiary care teaching hospital in northern India. METHODS: Scrub typhus was suspected in patients attending the hospital as per the standard case definition and serological evidence was obtained by performing an IgM ELISA...
December 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28474626/abundance-distribution-of-trombiculid-mites-orientia-tsutsugamushi-the-vectors-pathogen-of-scrub-typhus-in-rodents-shrews-collected-from-puducherry-tamil-nadu-india
#11
Sadanandane Candasamy, Elango Ayyanar, Kummankottil Paily, Patricia Anitha Karthikeyan, Agatheswaran Sundararajan, Jambulingam Purushothaman
BACKGROUND & OBJECTIVES: Human cases of scrub typhus are reported every year from Puducherry and adjoining areas in southern India. However, information on the presence of causative agent, Orientia tsutsugamushi, and its vectors is lacking. Hence, the objective of the study was to find out the vector as well as pathogen distribution in rodents and shrews present in the scrub typhus-reported areas in southern India. METHODS: Trombiculid mites were collected by combing rats and shrews collected using Sherman traps and identified to species level following standard taxonomical keys...
December 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28469902/reducing-returns-to-theatre-for-neck-of-femur-fracture-patients
#12
Selina Graham, Mark Dahill, Derek Robinson
The Royal United Hospital, Bath, admits approximately 550 patients with neck of femur fractures per year. The risks from returning to theatre for this patient group are often life-threatening. Post-operative wound ooze was noted to cause a significant rate of return to theatre, with increased lengths of stay and patient morbidity. A wound closure protocol was agreed by the consultant body. This information was disseminated by email and teaching sessions to all members of the multidisciplinary team, including surgeons, theatre staff and ortho-geriatricians...
2017: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/28464251/terrestrial-vertebrate-predators-drive-the-structure-and-functioning-of-aquatic-food-webs
#13
Crasso Paulo Bosco Breviglieri, Gustavo Q Romero
Predators that forage at boundaries between ecosystems can affect prey from adjacent ecosystems, thereby triggering consumptive and non-consumptive cascading effects, which may affect diversity and food web structure across ecosystems. In the present study, we manipulated the access of insectivorous birds, lizards, and anurans to tank bromeliads in scrub vegetation in southern Brazil. We measured cascading effects on the community structure of aquatic invertebrates inhabiting bromeliad leaves and on the ecosystem processes of decomposition rate and bromeliad growth...
May 2, 2017: Ecology
https://www.readbyqxmd.com/read/28461826/effects-of-clarithromycin-treatment-in-scrub-typhus-in-children-comparison-with-chloramphenicol-and-azithromycin
#14
Min Lee, June Kim, Dae Sun Jo
PURPOSE: Chloramphenicol and tetracycline are not recommended for treating scrub typhus in pediatric patients because of potential side effects, such as aplastic anemia or tooth discoloration. While clarithromycin has recently been used in adults, few reports have been published on its effects in pediatric patients. We report the clinical profiles of pediatric scrub typhus and the effects of clarithromycin on scrub typhus in children. METHODS: We retrospectively analyzed medical records of 56 children with scrub typhus who were admitted between 2004 and 2013 to Chonbuk National University Hospital, Jeonju, Korea...
April 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28460944/the-transfer-rate-of-salmonella-typhimurium-from-contaminated-parsley-to-other-consecutively-chopped-batches-via-cutting-boards-under-different-food-handling-scenarios
#15
Dima Faour-Klingbeil, Victor Kuri, Ewen Todd
In many Mediterranean and Middle Eastern countries, leafy green parsley is typically eaten raw and prepared by fine chopping several batches. This study aimed to quantify the transfer rate of S. Typhimurium (Tr) across all chopped batches in scenarios that resemble normally occurring operations in restaurants and home kitchens. Fresh parsley leaves were inoculated at concentrations of 6 and 3logCFU/g and chopped on a polyethylene cutting board (CB). Uninoculated parsleys were sequentially chopped in individual batches on the same cutting surface, 1) instantly (CB Instant), 2) after washing in water and holding at 30°C 24h (CBWW), 3) after washing in soapy water, sponge scrubbing and holding at 30°C 24h (CB SW)...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28449088/clinical-manifestations-of-scrub-typhus
#16
Senaka Rajapakse, Praveen Weeratunga, Sriharan Sivayoganathan, Sumadhya Deepika Fernando
The mite-borne rickettsial zoonosis scrub typhus is widely prevalent in parts of Southeast and Far East Asia, and northern Australia. The disease is an acute febrile illness, associated with rash and often an eschar, which responds dramatically to treatment with antibiotics. In some cases it results in a serious illness leading to multiple organ involvement and death. The disease manifestations are thought to result from a systemic vasculitis, caused by both direct effects of the organisms as well as an exaggerated immune response, although little is understood about its pathogenesis...
February 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28442570/coordination-chemistry-controls-the-thiol-oxidase-activity-of-the-b12-trafficking-protein-cblc
#17
Zhu Li, Aranganathan Shanmuganathan, Markus Ruetz, Kazuhiro Yamada, Nicholas A Lesniak, Bernhard Kraeutler, Thomas C Brunold, Markos Koutmos, Ruma Banerjee
The cobalamin or B12 cofactor supports sulfur and one-carbon metabolism and the catabolism of odd-chain fatty acids, branched-chain amino acids and cholesterol. CblC is a B12 processing enzyme involved in an early cytoplasmic step in the cofactor trafficking pathway. It catalyzes the glutathione (GSH)-dependent dealkylation of alkylcobalamins and the reductive decyanation of cyanocobalamin. CblC from Caenorhabdiitis elegans (ceCblC) also exhibits a robust thiol oxidase activity converting reduced GSH to oxidized GSSG with concomitant scrubbing of ambient dissolved O2 The mechanism of thiol oxidation catalyzed by ceCblC is not known...
April 25, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28434696/complete-eradication-of-biofilm-from-orthopedic-materials
#18
Jeffrey T Leary, Matthew M Werger, William H Broach, Lindsey N Shaw, Brandon G Santoni, Thomas L Bernasek, Steven T Lyons
BACKGROUND: Interest exists in finding alternatives to current management strategies in periprosthetic joint infections, which typically include a 2-stage revision with placement of an antibiotic spacer and delayed placement of a new implant. We studied the efficacy of autoclaving, ultrasonication, and mechanical scrubbing for sterilization and biofilm eradication on infected cobalt-chrome discs. METHODS: Strains of Staphylococcus aureus MRSA252 or Staphylococcus epidermidis RP62A were grown on the discs...
March 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28422796/waterless-hand-rub-versus-traditional-hand-scrub-methods-for-preventing-the-surgical-site-infection-in-orthopaedic-surgery
#19
Kentaro Iwakiri, Akio Kobayashi, Masahiko Seki, Yoshiyuki Ando, Tadao Tsujio, Masatoshi Hoshino, Hiroaki Nakamura
STUDY DESIGN: A retrospective cohort study with prospectively collected data OBJECTIVE.: The aim of this study was to compare SSI incidences, the cost of hand hygiene agents, and hand hygiene time between the traditional hand scrub and the waterless hand rub protocols before orthopaedic surgery. SUMMARY OF BACKGROUND DATA: Surgical-site-infections (SSI) prolong hospitalization and are a leading nosocomial cause of morbidity as well as a source of excess cost. Recently, a waterless hand rub protocol comprising alcohol based chlorhexidine gluconate for use before surgery was developed, but no studies have yet examined its utility in orthopaedic surgery...
April 18, 2017: Spine
https://www.readbyqxmd.com/read/28419138/clinical-significance-of-ngal-and-kim-1-for-acute-kidney-injury-in-patients-with-scrub-typhus
#20
In O Sun, Sung Hye Shin, A Young Cho, Hyun Ju Yoon, Mi Yok Chang, Kwang Young Lee
BACKGROUND: The aim of this study is to investigate the clinical significance of neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule-1 (KIM-1) for acute kidney injury (AKI) in patients with scrub typhus. METHODS: From 2014 to 2015, 145 patients were diagnosed with scrub typhus. Of these, we enrolled 138 patients who were followed up until renal recovery or for at least 3 months. We measured serum and urine NGAL and KIM-1 levels and evaluated prognostic factors affecting scrub typhus-associated AKI...
2017: PloS One
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