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https://www.readbyqxmd.com/read/29346538/vitamin-k5-is-an-efficient-photosensitizer-for-ultraviolet-a-light-inactivation-of-bacteria
#1
Fei Xu, Ying Li, Justen Ahmad, Yonggang Wang, Dorothy Scott, Jaroslav G Vostal
Photodynamic treatment combining light and a photosensitizer molecule can be an effective method to inactivate pathogenic bacteria. This study identified vitamin K5 as an efficient photosensitizer for ultraviolet light A (UVA)-induced bacterial inactivation. Six bacterial species, Bacillus cereus (vegetative form), Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Staphylococcus epidermidis, Klebsiella pneumoniae, and two species of antibiotic-resistant bacteria, Pseudomonas aeruginosa* and Staphylococcus aureus*, were suspended in aqueous solutions with or without vitamin K5 and exposed to UVA irradiation...
January 15, 2018: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29346512/validation-of-the-pids-idsa-severity-criteria-in-children-with-community-acquired-pneumonia
#2
Todd A Florin, Cole Brokamp, Rachel Mantyla, Bradley DePaoli, Richard Ruddy, Samir S Shah, Lilliam Ambroggio
Background: The Pediatric Infectious Diseases Society (PIDS)/Infectious Diseases Society of America (IDSA) guideline for community-acquired pneumonia (CAP) recommends intensive care unit (ICU) admission or continuous monitoring for children meeting severity criteria. Our objective was to validate these criteria. Methods: This was a retrospective cohort study of children age 3 months-18 years diagnosed with CAP in a pediatric Emergency Department (ED) from 9/2014-8/2015...
January 13, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29346119/the-role-of-tedizolid-in-skin-and-soft-tissue-infections
#3
Emilio Bouza, Patricia Muñoz, Almudena Burillo
PURPOSE OF REVIEW: Tedizolid is a second-generation oxazolidinone with activity against Gram-positive bacteria, including MRSA isolates resistant to linezolid. Pivotal clinical trials showed that tedizolid at 200 mg once-daily for 6 days is not inferior to linezolid 600 mg twice daily for 10 days in patients with SSTI. The comparison of adverse events is favorable to tedizolid under the circumstances of the clinical trials. This is a review of recent literature on tedizolid, its use in special populations and potential adverse effects...
January 15, 2018: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29345756/clinical-intentions-of-antibiotics-prescribed-upon-discharge-to-hospice-care
#4
Sarah A Servid, Brie N Noble, Erik K Fromme, Jon P Furuno
OBJECTIVES: To better understand the clinical intentions for antibiotic prescribing upon discharge from acute care to hospice care. DESIGN: Retrospective cohort study. SETTING: Five hundred forty-four-bed academic, acute-care, tertiary referral hospital in Portland, Oregon. PARTICIPANTS: Adults (≥18) who received an outpatient prescription for antibiotics on discharge from an acute care hospital to hospice care between January 1, 2009 and December 31, 2011 (N = 149)...
January 18, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29345495/milton-frank-shore-1928-2017
#5
Robert Henley Woody
Presents an obituary for Milton Frank Shore, who passed away on January 6, 2017, due to pneumonia. During a long career, he was a tireless advocate for children, particularly those who were underserved. In addition, he made important contributions as an author, editor, and administrator. He was actively engaged in independent practice at the time of his death. Milt was one of the founders of American Psychological Association (APA) Division 37 (Child, Youth, and Family Services) and served as its president (1978-1979)...
January 2018: American Psychologist
https://www.readbyqxmd.com/read/29345345/autophagy-inhibition-promotes-phagocytosis-of-macrophage-and-protects-mice-from-methicillin-resistant-staphylococcus-aureus-pneumonia
#6
Yulin Zhu, Huichun Li, Shenggang Ding, Yating Wang
OBJECTIVE: To investigate the effect of autophagy in macrophages and the protection of mouse models against MRSA invasion, which provide new potential therapeutic direction for lung infection. METHODS: The effect of ST239 in macrophages were analyzed by western blot and immunofluorescence to observe the influence of autophagy inhibitor 3-MA in macrophages. Then we established MRSA mice model and the models were divided into different groups of drugs. As well as analyzed the effect of autophagy in macrophage with MRSA and the changes of lung pathological in the mouse model by flow cytometry and immunohistochemistry...
January 18, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29345007/aetiology-of-neonatal-conjunctivitis-evaluated-in-a-population-based-setting
#7
Minna Honkila, Marjo Renko, Irma Ikäheimo, Tytti Pokka, Matti Uhari, Terhi Tapiainen
AIM: Our aim was to study prospectively the aetiology of neonatal conjunctivitis in a population-based setting. METHODS: Altogether 173 neonates with clinical conjunctivitis aged on average 20 (SD 10) days were recruited from child welfare clinics in Oulu, Finland, in 2010-2015. Conjunctival specimens were collected from 167 neonates for multiplex polymerase chain reaction to detect 16 respiratory viruses, from 163 for polymerase chain reaction to detect Chlamydia trachomatis and Neisseria gonorrhoeae and from 160 for bacterial culture studies...
January 18, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29344689/early-versus-late-tracheostomy-in-trauma-patients-a-propensity-matched-cohort-study-of-5-years-data-at-a-single-institution-in-korea
#8
Byung Hee Kang, Jayun Cho, John Cook-Jong Lee, Kyoungwon Jung
BACKGROUND: Although there have been many studies dealing with tracheostomy timing in trauma patients, the optimal timing is still being debated. This study aimed to compare outcomes between early tracheostomy (ET) and late tracheostomy (LT) in trauma populations to estimate the optimal timing of tracheostomy after intubation. METHODS: We retrospectively reviewed the 5 years' data of trauma patients who underwent tracheostomy during their acute intensive care unit (ICU) stay...
January 17, 2018: World Journal of Surgery
https://www.readbyqxmd.com/read/29344688/inflammation-based-prognostic-score-predicts-postoperative-survival-of-patients-with-interstitial-pneumonia-after-undergoing-lung-cancer-resection
#9
Satoru Kobayashi, Yuji Matsumura, Yoko Karube, Morimichi Nishihira, Takashi Inoue, Osamu Araki, Sumiko Maeda, Masayuki Chida
OBJECTIVES: Idiopathic interstitial pneumonias (IIPs) are associated with an increased risk of lung cancer. Glasgow prognostic score (GPS), which uses serum C-reactive protein (CRP) and albumin levels to indicate systemic inflammatory response and nutrition level, has been reported to be a predictor of overall survival in patients with various types of cancer. We evaluated the usefulness of GPS for prediction of survival of patients with both lung cancer and IIPs following a lung resection procedure...
January 17, 2018: World Journal of Surgery
https://www.readbyqxmd.com/read/29344581/glycophorin-c-sialylation-regulates-lu-bcam-adhesive-capacity-during-erythrocyte-aging
#10
T R L Klei, D Z de Back, P J Asif, P J J H Verkuijlen, M Veldthuis, P C Ligthart, J Berghuis, E Clifford, B M Beuger, T K van den Berg, R van Zwieten, W El Nemer, R van Bruggen
Lutheran/basal cell adhesion molecule (Lu/BCAM) is a transmembrane adhesion molecule expressed by erythrocytes and endothelial cells that can interact with the extracellular matrix protein laminin-α5. In sickle cell disease, Lu/BCAM is thought to contribute to adhesion of sickle erythrocytes to the vascular wall, especially during vaso-occlusive crises. On healthy erythrocytes however, its function is unclear. Here we report that Lu/BCAM is activated during erythrocyte aging. We show that Lu/BCAM-mediated binding to laminin-α5 is restricted by interacting, in cis, with glycophorin-C-derived sialic acid residues...
January 9, 2018: Blood Advances
https://www.readbyqxmd.com/read/29343987/performance-of-the-lace-index-to-predict-30-day-hospital-readmissions-in-patients-with-chronic-obstructive-pulmonary-disease
#11
Maryam A Hakim, Frances L Garden, Matthew D Jennings, Claudia C Dobler
Background and objective: Patients hospitalized for acute exacerbation of chronic obstructive pulmonary disease (COPD) have a high 30-day hospital readmission rate, which has a large impact on the health care system and patients' quality of life. The use of a prediction model to quantify a patient's risk of readmission may assist in directing interventions to patients who will benefit most. The objective of this study was to calculate the rate of 30-day readmissions and evaluate the accuracy of the LACE index (length of stay, acuity of admission, co-morbidities, and emergency department visits within the last 6 months) for 30-day readmissions in a general hospital population of COPD patients...
2018: Clinical Epidemiology
https://www.readbyqxmd.com/read/29343795/recurrent-wheezing-in-neonatal-pneumonia-is-associated-with-combined-infection-with-respiratory-syncytial-virus-and-staphylococcus-aureus-or-klebsiella-pneumoniae
#12
Qin Zhong, Hui Feng, Qi Lu, Xu Liu, Qi Zhao, Yue Du, Xian-Hong Zhang, Jia-Rong Wang
Both viral and bacterial infections can be associated with wheezing episodes in children; however, information regarding combined infections with both viral and bacterial pathogens in full term neonates is limited. We sought to investigate the effects of viral-bacterial codetection on pneumonia severity and recurrent wheezing. A retrospective cohort study was conducted on neonates admitted to our hospital with pneumonia from 2009 to 2015. Of 606 total cases, 341 were diagnosed with RSV only, and 265 were diagnosed with both RSV and a potential bacterial pathogen...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343482/par1-biased-signaling-is-required-for-activated-protein-c-in-vivo-benefits-in-sepsis-and-stroke
#13
Ranjeet K Sinha, Yaoming Wang, Zhen Zhao, Xiao Xu, Laurent Burnier, Naveen Gupta, José A Fernandez, Greg Martin, Sergey Kupriyanov, Laurent O Mosnier, Berislav V Zlokovic, John H Griffin
Activated Protein C (APC) cleaves protease activated receptor (PAR)1 in vitro at R46 to initiate beneficial cell signaling; however, thrombin and APC can cleave at R41. To elucidate PAR1-dependent aspects of pharmacologic APC's in vivo mechanisms, we generated C57BL/6 mouse strains carrying QQ41 or QQ46 point mutations in PAR1 (F2r gene). Using these strains, we determined whether or not recombinant murine signaling-selective APC mutants would reduce septic death or provide neuroprotection against ischemic stroke when mice carried PAR1 homozygous mutations that prevent cleavage at either R41 or R46...
January 17, 2018: Blood
https://www.readbyqxmd.com/read/29343236/barriers-to-timely-diagnosis-of-interstitial-lung-disease-in-the-real-world-the-intensity-survey
#14
Gregory P Cosgrove, Pauline Bianchi, Sherry Danese, David J Lederer
BACKGROUND: The diagnosis of idiopathic pulmonary fibrosis (IPF) and other interstitial lung diseases (ILD) presents significant clinical challenges. To gain insights regarding the diagnostic experience of patients with ILD and to identify potential barriers to a timely and accurate diagnosis, we developed an online questionnaire and conducted a national survey of adults with a self-reported diagnosis of ILD. METHODS: A pre-specified total of 600 subjects were recruited to participate in a 40-question online survey...
January 17, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29343153/cryptococcal-infections-in-two-patients-receiving-ibrutinib-therapy-for-chronic-lymphocytic-leukemia
#15
Matthew Stankowicz, Megan Banaszynski, Russell Crawford
Cryptococcal infections are responsible for significant morbidity and mortality in immunocompromised patients. Reports of these infections in patients on small molecular kinase inhibitors have not been widely reported in clinical trials. We describe one case of cryptococcal meningoencephalitis and one case of cryptococcal pneumonia in two patients who were receiving ibrutinib for chronic lymphocytic leukemia. Despite different sites of cryptococcal infection, both patients had similar presentations of acute illness...
January 1, 2018: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/29343141/novel-%C3%AE-lactam-%C3%AE-lactamase-inhibitors-versus-alternative-antibiotics-for-the-treatment-of-complicated-intra-abdominal-infection-and-complicated-urinary-tract-infection-a-meta-analysis-of-randomized-controlled-trials
#16
Mengmeng Chen, Minjie Zhang, Peixian Huang, Qiongyu Lin, Cheng Sun, Hongke Zeng, Yiyu Deng
OBJECTIVES: The aim of this study is to compare the efficacy and safety of novel BL/BLIs with alternative antibiotics for the treatment of Complicated intra-abdominal infection (cIAI) and complicated urinary tract infection (cUTI). METHODS: We performed a systematic review and meta-analysis of all randomized controlled trials comparing novel β-lactam/β-lactamase inhibitors (BL/BLIs) with other antibiotics for the treatment of cIAI and cUTI. The primary outcome included clinical and microbiological treatment success...
January 18, 2018: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/29343037/-mechanisms-of-fosfomycin-resistance-of-extended-spectrum-%C3%AE-lactamases-producing-escherichia-coli-and-klebsiella-pneumoniae
#17
Y J Xu, J J Quan, K R Shi, Y S Yu
Objective: To study the in vitro activity of fosfomycin to extended-spectrum β-lactamases (ESBLs)-producing Escherichia coli and Klebsiella pneumoniae and to explore the mechanisms of fosfomycin resistance. Methods: A total of 1 052 ESBLs-producing E. coli(ESBL-EC) and K. pneumoniae(ESBL-KP) isolates were collected from bloodstream infections of 28 hospitals of 22 provinces and municipalities, which were stored by our laboratory.Minimum inhibitory concentrations (MICs) of fosfomycin against these clinical isolates were determined by agar dilution methods according to the Clinical and Laboratory Standards Institute (CLSI)(2015)...
January 9, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29342994/-report-of-antimicrobial-resistance-surveillance-program-in-chinese-children-in-2016
#18
C Q Wang, A M Wang, H Yu, H M Xu, C M Jing, J K Deng, R Z Zhao, C Z Hua, Y H Chen, X J Chen, T Zhang, H Zhang, Y P Chen, J G Yang, A W Lin, S F Wang, Q Cao, X Wang, H L Deng, S C Cao, J H He, W Gao, S Z Han
Objective: To analyze the antimicrobial resistance profile in Chinese children. Methods: This was a prevalence survey. From January 1 through December 31, 2016, the isolates were collected from 10 tertiary children hospitals in China. Antimicrobial susceptibility testing was carried out by routine laboratory methods. The penicillin susceptibility of streptococcus pneumonia and Meropenem susceptibility of gram-negative bacteria were detected by E-test and disk diffusion method respectively. Antimicrobial susceptibility results were interpreted according to the criteria of Clinical and Laboratory Standards Institute (CLSI) Guideline 2016...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29342250/pneumococcal-community-acquired-pneumonia-detected-by-serotype-specific-urinary-antigen-detection-assays
#19
Richard G Wunderink, Wesley H Self, Evan J Anderson, Robert Balk, Sherene Fakhran, Daniel Mark Courtney, Chao Qi, Derek J Williams, Yuwei Zhu, Cynthia G Whitney, Matthew R Moore, Anna Bramley, Seema Jain, Kathryn M Edwards, Carlos G Grijalva
Background: Streptococcus pneumoniae is considered the leading bacterial cause of pneumonia in adults. Yet, it was not commonly detected by traditional culture-based and conventional urinary testing in a recent multicenter etiology study of adults hospitalized with community-acquired pneumonia (CAP). We used novel serotype-specific urinary antigen detection (SSUAD) assays to determine whether pneumococcal cases were missed by traditional testing. Methods: We studied adult patients hospitalized with CAP at 5 hospitals in Chicago and Nashville (2010-2012) and enrolled in the Etiology of Pneumonia in the Community (EPIC) study...
January 12, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29342160/expression-of-the-lux-genes-in-streptococcus-pneumoniae-modulates-pilus-expression-and-virulence
#20
Jenny A Herbert, Andrea M Mitchell, Ryan Ritchie, Jiangtao Ma, Kirsty Ross-Hutchinson, Timothy J Mitchell
Bioluminescence has been harnessed for use in bacterial reporter systems and for in vivo imaging of infection in animal models. Strain Xen35, a bioluminescent derivative of Streptococcus pneumoniae serotype 4 strain TIGR4 was previously constructed for use for in vivo imaging of infections in animal models. We have shown that strain Xen35 is less virulent than its parent TIGR4 and that this is associated with the expression of the genes for bioluminescence. The expression of the luxA-E genes in the pneumococcus reduces virulence and down regulates the expression of the pneumococcal pilus...
2018: PloS One
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