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https://www.readbyqxmd.com/read/29785872/effect-evaluation-on-use-of-bedside-fiber-bronchoscope-in-treating-stroke-associated-pneumonia
#1
Qiu Han, Chun Chen, Hai-Qin Hu, Jun Shen, Guang Yang, Bin Chen, Lei Xia
Background The bedside fiber bronchoscope has been widely used in the diagnosis and treatment of respiratory disease. This study aims to assess the effect of using bedside fiber bronchoscope in sputum suction and alveolar lavage for treatment of stroke-associated pneumonia (SAP), compared with the use of conventional suction catheter. Methods One hundred and six patients with SAP were randomly divided into control group (n = 53) and experimental group (n = 53) for a controlled study. Patients in the two groups were conventionally treated with phlegm-resolving and anti-infective therapy...
May 22, 2018: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/29783937/enterococcus-gallinarum-meningitis-a-case-report-and-literature-review
#2
Bo Zhao, Mao Sheng Ye, Rui Zheng
BACKGROUND: As an opportunistic pathogen, E. gallinarum mainly leads to nosocomial infections, and it's multi-drug resistance has gained more and more attention. Central nervous system infections caused by E. gallinarum are rare, but have been reported more often in recent years. The previous cases were generally secondary to neurosurgery, especially ventriculoperitoneal shunts. In recent years, the cases largely occurred in patients with impaired immune function. The patient in our report may have had dual risk factors (immune impairment and an invasive surgical procedure)...
May 21, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29783907/association-between-potential-drug-interactions-and-clinical-outcomes-in-hematopoietic-stem-cell-transplantations
#3
Ingrid Apm Valverde, Mario Js da Silva, Maely Pf Retto
The association of anti-infective, antineoplastic and immunosuppressant drugs makes patients undergoing hematopoietic stem cell transplantation susceptible to the effects resulting from drug interactions. In this study, we analyzed the potential drug interactions in the association between anti-infective, antineoplastic and immunomodulators agents and their clinical effects presented by patients from a bone marrow transplant service of a Brazilian hospital specialized in cancer treatment. The retrospective cohort involved patients in the conditioning phase undergoing transplantation in the year 2013...
January 1, 2018: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/29782894/screening-of-the-mmv-and-gsk-open-access-chemical-boxes-using-a-viability-assay-developed-against-the-kinetoplastid-crithidia-fasciculata
#4
Wakisa Kipandula, Simon A Young, Stuart A MacNeill, Terry K Smith
Diseases caused by the pathogenic kinetoplastids continue to incapacitate and kill hundreds of thousands of people annually throughout the tropics and sub-tropics. Unfortunately, in the countries where these neglected diseases occur, financial obstacles to drug discovery and technical limitations associated with biochemical studies impede the development of new, safe, easy to administer and effective drugs. Here we report the development and optimisation of a Crithidia fasciculata resazurin viability assay, which is subsequently used for screening and identification of anti-crithidial compounds in the MMV and GSK open access chemical boxes...
May 18, 2018: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/29779382/specific-stereoisomeric-conformations-determine-the-drug-potency-of-cladosporin-scaffold-against-malarial-parasite
#5
Pronay Das, Palak Babbar, Nipun Malhotra, Manmohan Sharma, Gorakhnath R Jachak, Rajesh G Gonnade, Dhanasekaran Shanmugam, Karl Harlos, Manickam Yogavel, Amit Sharma, D Srinivasa Reddy
The dependence of drug potency on diastereomeric configurations is a key facet. Using a novel general divergent synthetic route for a three-chiral centre anti-malarial natural product cladosporin, we built its complete library of stereoisomers (cladologs) and assessed their inhibitory potential using parasite-, enzyme- and structure-based assays. We show that potency is manifest via tetrahyropyran ring conformations that are housed in the ribose binding pocket of parasite lysyl tRNA synthetase (KRS). Strikingly, drug potency between top and worst enantiomers varied 500-fold, and structures of KRS-cladolog complexes reveal that alterations at C3 and C10 are detrimental to drug potency where changes at C3 are sensed by rotameric flipping of Glutamate332...
May 21, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29778430/does-periurethral-cleaning-with-water-prior-to-indwelling-urinary-catheterization-increase-the-risk-of-urinary-tract-infections-a-systematic-review-and-meta-analysis
#6
REVIEW
Kun Huang, Jihong Liang, Ting Mo, Yanli Zhou, Yanping Ying
OBJECTIVE: To determine whether periurethral cleaning with water before indwelling urinary catheterization increases the risk of urinary tract infections (UTIs) compared with studies using anti-infective agents. METHODS: A literature search via MEDLINE, Embase, and the Cochrane Central Register of Controlled Trials through October 2017 and a manual search of references for additional relevant studies. Trials studying clean intermittent catheterization were excluded...
May 16, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29778319/anti-infective-biomaterials-with-surface-decorated-tachyplesin-i
#7
Qiong Xue, Xiao-Bin Liu, Yeh-Hsing Lao, Lin-Ping Wu, Dong Wang, Zhen-Qiang Zuo, Jun-Yu Chen, Jing Hou, Yuan-Yuan Bei, Xue-Fei Wu, Kam W Leong, Hua Xiang, Jing Han
Implants decorated with antimicrobial peptides (AMPs) can prevent infection and reduce the risk of creating antibiotic resistance. Yet the restricted mobility of surficial AMP often compromises its activity. Here, we report a simple but effective strategy to allow a more flexible display of AMP on the biomaterial surface and demonstrate its efficacy for wound healing. The AMP, tachyplesin I (Tac), is tagged with the polyhydroxyalkanoate-granule-associated protein (PhaP) and immobilized on haloarchaea-produced poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBHV) via hydrophobic interaction...
May 9, 2018: Biomaterials
https://www.readbyqxmd.com/read/29777985/liquid-chromatography-tandem-mass-spectrometry-for-the-quantification-of-moxifloxacin-ciprofloxacin-daptomycin-caspofungin-and-isavuconazole-in-human-plasma
#8
Julian Hösl, André Gessner, Nahed El-Najjar
A simple and precise ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was developed for the simultaneous analysis of five anti-infective agents used to treat severe infections [three antibiotics (daptomycin, moxifloxacin, ciprofloxacin) and two antifungals (isavuconazole, caspofungin)] in human plasma. Sample preparation was based on protein precipitation with ice cold methanol. All five agents were analyzed with the corresponding isotopically labeled internal standards. All analytes were detected in multiple reactions monitoring (MRM) using API 4000 triple-quadrupole mass spectrometer with electrospray (ESI) source operating in positive mode...
May 12, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29772863/-eearly-clinical-effects-of-percutaneous-endoscopic-focal-cleaning-and-drainage-in-the-treatment-of-single-level-suppurative-spondylitis
#9
Qi Zheng, Yang-Hui Jin, Xiao-Zhang Ying, Yi-Fan Wang, Shi-Yuan Shi, Bo Zhu
OBJECTIVE: To evaluate the clinical value of percutaneous endoscopic focal cleaning and drainage in the treatment of single-level suppurative spondylitis. METHODS: The clinical data of 18 patients with single-level suppurative spondylitis treated by percutaneous endoscopic focal cleaning and drainage from June 2014 to December 2015 were retrospectively analyzed. There were 11 males and 7 females, aged from 46 to 75 years old with an average of (58.89±9.46) years...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29766208/-adequate-anti-infective-treatment-importance-of-individual-dosing-and-application
#10
A Brinkmann, A C Röhr, A Köberer, T Fuchs, W A Krüger, C König, D Richter, M A Weigand, O R Frey
Sepsis-induced changes in pharmacokinetic parameters are a well-known problem in intensive care medicine. Dosing of antibiotics in this setting is therefore challenging. Alterations to the substance-specific kinetics of anti-infective substances have an effect on the distribution and excretion processes in the body. Increased clearance and an increased distribution volume (Vd ) and particularly compromized organ function with reduced antibiotic elimination are often encountered in patients with sepsis. Renal replacement treatment, which is frequently used in intensive care medicine, represents a substantial intervention in this system...
May 15, 2018: Der Anaesthesist
https://www.readbyqxmd.com/read/29764457/video-mediastinoscopy-assisted-fish-bone-extraction-and-superior-medistinal-abscess-debridement
#11
Jun Wang, Wei Bing Wu, Liang Chen, Quan Zhu
BACKGROUND: Mediastinum abscess caused by sharp esophageal foreign body perforation usually needs surgical treatment, and the surgical procedures vary according to size of perforation and scope of abscess, etc. For special case with small esophageal mucosal crevasse and focal abscess confined to mediastinum, minimally invasive surgery with guidance of video-mediastinoscopy would be an alternative method, however, application of video-mediastinoscopy in this life-threatening situation was rarely reported...
May 15, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29764430/drug-prescribing-during-pregnancy-in-a-central-region-of-italy-2008-2012
#12
Martina Ventura, Alice Maraschini, Paola D'Aloja, Ursula Kirchmayer, Ilaria Lega, Marina Davoli, Serena Donati
BACKGROUND: Drug consumption during pregnancy is a matter of concern, especially regarding drugs known or suspected to be teratogens. Little is known about drug use in pregnant women in Italy. The present study is aimed at examining the prevalence, and to detect potential inappropriateness of drug prescribing among pregnant women in Latium, a region of central Italy. METHODS: This retrospective study was conducted on a cohort of women aged 18-45 years who delivered between 2008 and 2012 in public hospitals...
May 15, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29764228/anti-infective-chemoprophylaxis-after-solid-organ-transplantation
#13
Paul J Deziel, Raymund Razonable
Solid organ transplant recipients are at high risk of opportunistic infections due to bacterial, viral, fungal and parasitic pathogens. Anti-infective prophylaxis is a time-tested proven strategy for the prevention of these infections after solid organ transplantation. Areas covered: The current recommendations for the prevention of surgical site infections, herpes simplex, cytomegalovirus, invasive fungal infections, and selected parasitic diseases are highlighted. Recent peer-reviewed publications on the prevention of infection after solid organ transplantation were reviewed and their significance was discussed in the context of the current recommendations for preventing infectious complications...
May 15, 2018: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/29760684/bioprospecting-deep-sea-actinobacteria-for-novel-anti-infective-natural-products
#14
Dongbo Xu, Linna Han, Chunhui Li, Qi Cao, Duolong Zhu, Nolan H Barrett, Dedra Harmody, Jing Chen, Haining Zhu, Peter J McCarthy, Xingmin Sun, Guojun Wang
The global prevalence of drug resistance has created an urgent need for the discovery of novel anti-infective drugs. The major source of antibiotics in current clinical practice is terrestrial actinobacteria; the less-exploited deep-sea actinobacteria may serve as an unprecedented source of novel natural products. In this study, we evaluated 50 actinobacteria strains derived from diverse deep water sponges and environmental niches for their anti-microbial activities against a panel of pathogens including Candida albicans , Clostridium difficile , Staphylococcus aureus , and methicillin-resistant S...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29755450/the-complexity-of-fungal-%C3%AE-glucan-in-health-and-disease-effects-on-the-mononuclear-phagocyte-system
#15
REVIEW
Giorgio Camilli, Guillaume Tabouret, Jessica Quintin
β-glucan, the most abundant fungal cell wall polysaccharide, has gained much attention from the scientific community in the last few decades for its fascinating but not yet fully understood immunobiology. Study of this molecule has been motivated by its importance as a pathogen-associated molecular pattern upon fungal infection as well as by its promising clinical utility as biological response modifier for the treatment of cancer and infectious diseases. Its immune effect is attributed to the ability to bind to different receptors expressed on the cell surface of phagocytic and cytotoxic innate immune cells, including monocytes, macrophages, neutrophils, and natural killer cells...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29752078/length-dependent-corrosion-behavior-ni-2-release-cytocompatibility-and-antibacterial-ability-of-ni-ti-o-nanopores-anodically-grown-on-biomedical-niti-alloy
#16
Ruiqiang Hang, Yanlian Liu, Long Bai, Xiangyu Zhang, Xiaobo Huang, Husheng Jia, Bin Tang
In the present work, nickel-titanium-oxygen nanopores with different length (0.55-114 μm) were anodically grown on nearly equiatomic nickel-titanium (NiTi) alloy. Length-dependent corrosion behavior, nickel ion (Ni2+ ) release, cytocompatibility, and antibacterial ability were investigated by electrochemical, analytical chemistry, and biological methods. The results show constructing nanoporous structure on the NiTi alloy improve its corrosion resistance. However, the anodized samples release more Ni2+ than that of the bare NiTi alloy, suggesting chemical dissolution of the nanopores rather than electrochemical corrosion governs the Ni2+ release...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29750862/an-in-vitro-model-of-the-gram-negative-bacterial-cell-envelope-for-investigation-of-anti-infective-permeation-kinetics
#17
Florian Graef, Robert Richter, Verena Fetz, Xabier Murgia, Chiara De Rossi, Nicole Schneider-Daum, Giuseppe Allegretta, Walid A M Elgaher, Jörg Haupenthal, Martin Empting, Felix Beckmann, Mark Brönstrup, Rolf W Hartmann, Sarah Gordon, Claus-Michael Lehr
The cell envelope of Gram-negative bacteria is a formidable biological barrier, inhibiting the action of antibiotics by impeding their permeation into the intracellular environment. In-depth understanding of permeation through this barrier remains a challenge, despite its critical role in antibiotic activity. We therefore designed a divisible in vitro permeation model of the Gram-negative bacterial cell envelope, mimicking its three essential structural elements - the inner membrane, the periplasmic space as well as the outer membrane - on a Transwell® setup...
May 11, 2018: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29749320/combined-treatment-for-gastric-cancer-immunological-approach
#18
Olzhas Zhandossov, Galina Kaussova, Avraam Koten
BACKGROUND/AIMS: Gastric cancer is one of the most common oncological diseases. It can develop in any part of the stomach and spread to other organs, especially the esophagus, lungs, and liver. The aim of our study was to investigate the effectiveness of our proposed therapy. MATERIALS AND METHODS: Our research promises more effective neoadjuvant therapy, including immunotherapy and multi-agent chemotherapy. Of the 62 patients involved in our study, 32 underwent neoadjuvant chemotherapy in combination with surgery, whereas the rest underwent neoadjuvant chemoimmunotherapy with surgery...
March 2018: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29745728/aspergillus-ochraceopetaliformis-ssp13-modulates-quorum-sensing-regulated-virulence-and-biofilm-formation-in-pseudomonas-aeruginosa-pao1
#19
Subhaswaraj Pattnaik, Tanveer Ahmed, Sampath Kumar Ranganathan, Dinakara Rao Ampasala, V Venkateswara Sarma, Siddharha Busi
Pseudomonas aeruginosa is an opportunistic nosocomial pathogen causing the majority of acute and persistent infections in human beings. The ability to form biofilm adds a new dimension to its resistance to conventional therapeutic agents. In the present study, down-regulation of quorum sensing regulated virulence and biofilm development resulting from exposure to Aspergillus ochraceopetaliformis SSP13 extract was investigated. The in vitro results inferred impairment in the production of LasA protease, LasB elastase, chitinase, pyocyanin, exopolysaccharides and rhamnolipids...
May 10, 2018: Biofouling
https://www.readbyqxmd.com/read/29744453/studies-on-the-cytocompatibility-mechanical-and-antimicrobial-properties-of-3d-printed-poly-methyl-methacrylate-beads
#20
David K Mills, Uday Jammalamadaka, Karthik Tappa, Jeffery Weisman
Osteomyelitis is typically a bacterial infection (usually from Staphylococcus) or, more rarely, a fungal infection of the bone. It can occur in any bone in the body, but it most often affects the long bones (leg and arm), vertebral (spine), and bones of the foot. Microbial success in osteomyelitis is due to their ability to form biofilms which inhibit the wound healing process and increases resistance to anti-infective agents. Also, biofilms do not allow easy penetration of antibiotics into their matrix making clinical treatment a challenge...
June 2018: Bioactive Materials
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