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https://www.readbyqxmd.com/read/28214763/emergency-valve-surgery-for-infective-endocarditis-complicated-by-acute-intracranial-hemorrhage-a-case-report
#1
Takasumi Goto, Toshihiro Ohata, Takayuki Shijo, Daisuke Yoshioka, Mitsunori Kaneko
INTRODUCTION: Optimal timing of surgical treatment for infective endocarditis (IE) complicated by intracranial hemorrhage remains controversial. PRESENTATION OF CASE: A 43-year-old man with IE received appropriate antibiotic therapy but had recurrence of cerebral infarction and intracranial hemorrhage (ICH). Emergency valve surgery was performed 2days after ICH onset because of heart failure and recurrence of cerebral complications. Postoperatively, he showed no neurologic symptoms; neuroimaging showed no enlargement of ICH...
February 11, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28214645/antibiotics-do-not-affect-the-degradation-of-fungicides-and-enhance-the-mineralization-of-chlorpyrifos-in-biomixtures
#2
Humberto Castillo-González, Marta Pérez-Villanueva, Mario Masís-Mora, Víctor Castro-Gutiérrez, Carlos E Rodríguez-Rodríguez
The use of antibiotics in agriculture produces residues in wastewaters. The disposal of such wastewaters in biopurification systems (BPS) employed for the treatment of pesticides could result in the inhibition of the degrading capacity of the biomixtures used in the BPS. We assayed the effect of two commercial formulations of antibiotics used in agriculture, one containing kasugamycin (KSG) and the other oxytetracycline plus gentamicin (OTC+GTM), on the biomixture performance. Doses from 0.1mgkg(-1) to 1000mgkg(-1) of KSG increased the respiration of the biomixture, and low doses enhanced the mineralization rate of the insecticide (14)C-chlorpyrifos...
February 16, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28214443/photodegradation-and-sorption-govern-tetracycline-removal-during-wastewater-treatment-in-algal-ponds
#3
Zane N Norvill, Alma Toledo-Cervantes, Saul Blanco, Andy Shilton, Benoit Guieysse, Raul Muñoz
The degradation of the antibiotic tetracycline, supplied at 100µgL(-1) in domestic wastewater, was studied in an outdoor, pilot scale, high rate algal pond (HRAP). Effective operation was demonstrated with the biomass concentration and the chemical oxygen demand removal efficiency averaging 1.2±0.1gTSSL(-1) and 80±4%, respectively, across all operational periods. Tetracycline removal exceeded 93% and 99% when the HRAP was operated at hydraulic retention times of 4 and 7days, respectively. Batch tests and pulse testing during HRAP operation repeatedly evidenced the significance of photodegradation as a removal mechanism...
February 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28213708/removal-mechanisms-for-extremely-high-level-fluoroquinolone-antibiotics-in-pharmaceutical-wastewater-treatment-plants
#4
Xinyan Guo, Zheng Yan, Yi Zhang, Xiangji Kong, Deyang Kong, Zhengjun Shan, Na Wang
Pharmaceutical wastewater treatment plants (PWWTPs) receive industrial effluents from the plant that contain extremely high levels of antibiotics and are regarded as one of the major sources of antibiotics in the environment. Two PWWTPs have been selected in Zhejiang Province, China, to assess the removal mechanisms of fluoroquinolone antibiotics (FQs). PWWTP A uses activated sludge with biocarriers in a moving bed biofilm reactor in anoxic and aerobic units, and PWWTP B uses biological units under anaerobic, aerobic, and anoxic conditions...
February 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28213607/efficacy-and-safety-of-nonoperative-treatment-for-acute-appendicitis-a-meta-analysis
#5
REVIEW
Roxani Georgiou, Simon Eaton, Michael P Stanton, Agostino Pierro, Nigel J Hall
CONTEXT: Nonoperative treatment (NOT) with antibiotics alone of acute uncomplicated appendicitis (AUA) in children has been proposed as an alternative to appendectomy. OBJECTIVE: To determine safety and efficacy of NOT based on current literature. DATA SOURCES: Three electronic databases. STUDY SELECTION: All articles reporting NOT for AUA in children. DATA EXTRACTION: Two reviewers independently verified study inclusion and extracted data...
February 17, 2017: Pediatrics
https://www.readbyqxmd.com/read/28213334/reactive-oxygen-a-novel-antimicrobial-mechanism-for-targeting-biofilm-associated-infection
#6
REVIEW
Matthew S Dryden, Jonathan Cooke, Rami J Salib, Rebecca E Holding, Timothy Biggs, Ali A Salamat, Raymond N Allan, Rachel S Newby, Fenella Halstead, Beryl Oppenheim, Thomas Hall, Sophie C Cox, Liam M Grover, Zain Al-Hindi, Lilyann Novak-Frazer, Malcolm D Richardson
Reactive oxygen species (ROS) is a novel therapeutic strategy for topical or local application to wounds, mucosa or internal structures where there may be heavy bacterial bioburden with biofilm and chronic inflammation. Bacterial biofilms are a significant problem in clinical settings owing to their increased tolerance towards conventionally prescribed antibiotics and their propensity for selection of further antibacterial resistance. There is therefore a pressing need for the development of alternative therapeutic strategies that can improve antibiotic efficacy towards biofilms...
February 14, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28213031/antimicrobial-resistance-and-its-association-with-tolerance-to-heavy-metals-in-agriculture-production
#7
REVIEW
Zhongyi Yu, Lynda Gunn, Patrick Wall, Séamus Fanning
Antimicrobial resistance is a recognized public health challenge that since its emergence limits the therapeutic options available to veterinarians and clinicians alike, when treatment is warranted. This development is further compounded by the paucity of new antibiotics. The agri-food industry benefits from the availability of antimicrobial compounds for food-animal production and crop protection. Nonetheless, their improper use can result in the selection for bacteria that are phenotypically resistant to these compounds...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28213030/high-hydrostatic-pressure-effects-on-listeria-monocytogenes-and-l-innocua-evidence-for-variability-in-inactivation-behaviour-and-in-resistance-to-pediocin-bacha-6111-2
#8
Carolina Bruschi, Norton Komora, Sónia Marília Castro, Jorge Saraiva, Vânia Borges Ferreira, Paula Teixeira
The effect of high hydrostatic pressure (HHP) on the survival of 14 strains of Listeria monocytogenes from food or clinical origins, selected to represent different pheno and genotypes, was evaluated. Stationary phase cells were submitted to 300, 400 and 500 MPa at 10 °C, for 5 min. A high variability in the resistance of L. monocytogenes to pressure was observed, and particularly two strains isolated from food were significantly more baroresistant than the rest. Strains of L. monocytogenes resistant to one or more antibiotics exhibited significantly higher levels of survival after the high pressure treatment at 400 MPa...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28212615/molecular-pathways-underlying-inhibitory-effect-of-antimicrobial-peptide-nal-p-113-on-bacteria-biofilms-formation-of-porphyromonas-gingivalis-w83-by-dna-microarray
#9
Hong-Yan Wang, Li Lin, Li-Si Tan, Hui-Yuan Yu, Jya-Wei Cheng, Ya-Ping Pan
BACKGROUND: Wound-related infection remains a major challenge for health professionals. One disadvantage in conventional antibiotics is their inability to penetrate biofilms, the main protective strategy for bacteria to evade irradiation. Previously, we have shown that synthetic antimicrobial peptides could inhibit bacterial biofilms formation. RESULTS: In this study, we first delineated how Nal-P-113, a novel antimicrobial peptide, exerted its inhibitory effects on Porphyromonas gingivalis W83 biofilms formation at a low concentration...
February 17, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28212469/-evidence-and-recommendation-of-empirical-antimicrobial-treatment-in-pyogenic-spondylodiscitis-systematic-review
#10
David Agustín Cordero-Delgado, Alfredo Javier Moheno-Gallardo, Rubén Torres-González, Argenis Mata-Hernández, Eulalio Elizalde-Martínez, José Manuel Pérez-Atanasio
BACKGROUND: Pyogenic spondylodiscitis is the infectious process that affects the vertebral body and the intervertebral disc. It has an incidence between 2 and 7%. To prescribe antibiotic treatment, it is required to identify the causative organism on the basis of the epidemiology of the etiologic agent, as well as the ability of the antibiotic to penetrate the bone tissue and the intervertebral disc. The objective was to identify the level of evidence and the grade of recommendation for the empiric initial treatment...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28212436/antibody-deficiency-in-patients-with-frequent-exacerbations-of-chronic-obstructive-pulmonary-disease-copd
#11
Brian N McCullagh, Alejandro P Comellas, Zuhair K Ballas, John D Newell, M Bridget Zimmerman, Antoine E Azar
Chronic Obstructive Pulmonary Disease is the third leading cause of death in the US, and is associated with periodic exacerbations, which account for the largest proportion of health care utilization, and lead to significant morbidity, mortality, and worsening lung function. A subset of patients with COPD have frequent exacerbations, occurring 2 or more times per year. Despite many interventions to reduce COPD exacerbations, there is a significant lack of knowledge in regards to their mechanisms and predisposing factors...
2017: PloS One
https://www.readbyqxmd.com/read/28212153/new-therapies-for-the-prevention-and-treatment-of-exacerbations-of-bronchiectasis
#12
Hani Abo-Leyah, James D Chalmers
PURPOSE OF REVIEW: Exacerbations of bronchiectasis have a major impact on quality of life, healthcare costs, and long-term risk of complications. Preventing exacerbations is one of the major goals of treatment. Bronchiectasis is increasingly recognized and the impact of bronchiectasis exacerbations on daily clinical practice is also increasing. RECENT FINDINGS: Preventing bronchiectasis exacerbations are dependent on appropriate risk assessment, identifying the patients at highest risk to rationally target preventive therapies...
February 16, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28211331/sulfamethoxazole-and-cod-increase-abundance-of-sulfonamide-resistance-genes-and-change-bacterial-community-structures-within-sequencing-batch-reactors
#13
Xueping Guo, Weihai Pang, Chunling Dou, Daqiang Yin
The abundant microbial community in biological treatment processes in wastewater treatment plants (WWTPs) may potentially enhance the horizontal gene transfer of antibiotic resistance genes with the presence of antibiotics. A lab-scale sequencing batch reactor was designed to investigate response of sulfonamide resistance genes (sulI, sulII) and bacterial communities to various concentrations of sulfamethoxazole (SMX) and chemical oxygen demand (COD) of wastewater. The SMX concentrations (0.001 mg/L, 0.1 mg/L and 10 mg/L) decreased with treatment time and higher SMX level was more difficult to remove...
February 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/28211044/antibiotic-use-as-a-marker-of-acute-infection-and-risk-of-first-and-recurrent-venous-thrombosis
#14
Jasmijn F Timp, Suzanne C Cannegieter, Vladimir Tichelaar, Sigrid K Braekkan, Frits R Rosendaal, Saskia le Cessie, Willem M Lijfering
A role for transient infections in the aetiology of venous thrombosis (VT) has been suggested. This study aimed to determine whether individuals who receive antibiotic treatment (as a proxy for infections) have an increased risk of first and recurrent VT and whether infections should be seen as a provoking risk factor for VT. We used the self-controlled case series method to study the risk of first VT during antibiotic prescriptions. The risk of recurrent VT during antibiotic use was estimated by of time-dependent Cox-regression...
February 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28210946/an-online-spe-lc-ms-ms-method-for-the-analysis-of-antibiotics-in-environmental-water
#15
Meierjohann Axel, Kortesmäki Ewelina, Brozinski Jenny-Maria, Kronberg Leif
A fast and simple method for the analysis of 17 commonly used antibiotics in Finland in water samples was developed. The method combines online solid phase extraction using a reusable online trapping column combined with analytical separation on a C18 analytical column and detection by a triple quadrupole mass spectrometer. The method was fully validated for detection and quantification limits as well as linearity, repeatability, and matrix effects. The method gave an excellent linear response (r (2) > 0...
February 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28210834/conservative-treatment-in-uncomplicated-acute-appendicitis-reassessment-of-practice-safety
#16
Zvi Steiner, Genady Buklan, Rodica Stackievicz, Michael Gutermacher, Ita Litmanovitz, Guy Golani, Shmuel Arnon
: The success rate of conservative treatment for children with uncomplicated appendicitis was prospectively evaluated among 197 children. All who received intravenous antibiotics for 3-5 days, and if symptoms resolved, were discharged home on oral antibiotics for 5 days. Failure rate, symptoms, laboratory signs, and sonographic findings were evaluated for prognostic markers of treatment failure. Children were followed for 18 months. The success rate of conservative treatment was 87%, with shorter hospital stays compared to children who eventually needed surgery (72 [60-84] vs...
February 16, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28210540/an-aggressive-non-small-cell-lung-cancer-in-nonsmokers-a-case-report-of-an-unusual-presentation-of-micropapillary-lung-adenocarcinoma
#17
Aixa Dones Rodríguez, Kelvin Rivera Manzano, Ricardo Fernández González, José R Adorno Fontánez, Ricardo A Hernández, Modesto Gonález Del Rosario, Rafael Vicens Rodríguez, Joel E Nieves Scharon
We describe a case of an unusual fast growing lung micropapillary-predominant adenocarcinoma in a nonsmoker male patient without pre-existing lung disease. Adenocarcinomas have been described to be slow growing tumors, however our patient presented a fast-growing rate over a period of 21 days. When the patient failed broad spectrum antibiotic coverage, malignancy became part of the differential diagnosis. Once malignancy was detected, prompt identification and treatment was started in order to improve prognosis of the patients...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28210463/frequency-of-inducible-clindamycin-resistance-among-gram-positive-cocci-in-a-tertiary-hospital-tehran-iran
#18
Hiva Saffar, Afsaneh Rajabiani, Alireza Abdollahi, Shirin Habibi, Zohreh Baseri
BACKGROUND AND OBJECTIVES: Accurate designation of antimicrobial susceptibility pattern of the infecting microorganisms is an important crucial factor in making appropriate therapeutic decisions. Macrolide, lincosamide and streptogramin B antibiotics are in a family, reserved as an alternative approach in treatment of resistant Gram positive cocci. Amongst them, clindamycin has been considered as the preferred agent due to its excellent pharmacokinetic properties. The inducible resistance to clindamycin in Gram positive staphylococci and streptococci cannot be recognized by routine broth or agar based susceptibility tests and D-zone testing is necessary...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210456/severe-odontogenic-infection-an-emergency-case-report
#19
Marcelo Guzmán-Letelier, Claudia Crisosto-Jara, Camilo Diaz-Ricouz, Miguel Peñarrocha-Diago, David Peñarrocha-Oltra
Odontogenic infections (OI) are a major reason for consultation in dental practice. They affect people of all ages, and most of them respond well to current medical and surgical treatments. However, some OI can spread to vital and deep structures, overcome the host immune system - especially in diabetic, immunocompromised or weakened patients - and even prove fatal. Ludwig's angina is a severe form of diffuse cellulitis that can have an acute onset and spread very rapidly, bilaterally affecting areas of the head and neck, and may prove life threatening...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210386/ionic-hydrogel-monotherapy-and-in-combination-with-antiviral-antibiotic-prophylaxis-in-the-post-procedure-management-of-fractional-laser-treated-patients
#20
Francesca Romana Grippaudo
Objective: The pre- and postoperative care for fractionated laser resurfacing is still controversial, especially in regard to the use of antibiotics to prevent bacterial infection and potential consequences. Recently, an ionic hydrogel has shown to be useful in the postoperative treatment of minor burns. The aim of this study is to evaluate the use of this hydrogel after fractional laser treatments targeting photoaging and chronoaging damage to skin. Design: A randomized prospective study. Setting: one plastic surgeon private practice...
November 2016: Journal of Clinical and Aesthetic Dermatology
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