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https://www.readbyqxmd.com/read/28634536/telavancin-a-novel-semisynthetic-lipoglycopeptide-agent-to-counter-the-challenge-of-resistant-gram-positive-pathogens
#1
REVIEW
Biswadeep Das, Chayna Sarkar, Debasmita Das, Amit Gupta, Arnav Kalra, Shubham Sahni
Telavancin (TD-6424), a semisynthetic lipoglycopeptide vancomycin-derivative, is a novel antimicrobial agent developed by Theravance for overcoming resistant Gram-positive bacterial infections, specifically methicillin-resistant Staphylococcus aureus (MRSA). The US Food and Drug Administration (USFDA) had approved telavancin in 2009 for the treatment of complicated skin and skin structure infections (cSSSIs) caused by Gram-positive bacteria, including MRSA (S. aureus, Streptococcus agalactiae, Streptococcus pyogenes, Streptococcus anginosus group, or Enterococcus faecalis)...
March 2017: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28634177/pneumococcal-pulmonary-valve-endocarditis
#2
Apostolos Vrettos, Paula Mota, James Nash, Iain Thorp, Max Baghai, Max Baghai
Pulmonary valve endocarditis is an rare type of infective endocarditis (IE). Streptococcus pneumoniae is a pathogen that is uncommonly associated with IE. A 50 year-old man was referred to us to an incidental echocardiographic finding of a pulmonary valve vegetation. He had a recent admission for drainage of a scrotal abscess from which streptococcus pneumoniae was isolated, complicated by hospital acquired pneumonia and pulmonary embolism. Analysis using Polymerase Chain Reaction of the surgically resected mass revealed signs of 16S rDNA consistent with Streptococcus pneumoniae infection...
June 20, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28633453/a-multifaceted-quality-improvement-strategy-reduces-the-risk-of-catheter-associated-urinary-tract-infection
#3
Cecelia N Theobald, Matthew J Resnick, Thomas Spain, Robert S Dittus, Christianne L Roumie
Objective: Catheter-associated urinary tract infections (CAUTIs) are common and preventable hospital-acquired infections, yet their rate continues to rise nationwide. We describe the implementation of a multifaceted program to reduce catheter use and CAUTI rates while simultaneously addressing barriers to long-term success. Design/Setting/Participants: Pre-post study of medical inpatient veterans between December 2012 and February 2015. Intervention: Five component intervention: (i) a bedside catheter reminder; (ii) multidisciplinary educational campaign; (iii) structured catheter order set with clinical decision support; (iv) automated catheter discontinuation orders; and (v) protocol for post-catheter removal care...
June 17, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28628289/-neuropsychiatric-syndroms-in-seropositive-population
#4
REVIEW
A Iweins, P Léonard, C Piette
The Acquired ImmunoDeficiency Syndrome (AIDS) is a chronic infectious disease. By its complexity and the importance of psychiatric syndromes observed among HIV patients, the common contribution of somatic and psychiatric health specialists is often mandatory. Conversely, more or less 20 % of psychiatric patients are infected by the AIDS' virus. Moreover, these troubles would be their second reason of hospitalization. These psychiatric symptoms, so caused by HIV, may occur before its serological discovery. Thereby, it will be interesting for the psychiatrist to acquire enough knowledge about this disease to establish preventing actions and strategies of psychoeducation...
June 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28625824/polymorphism-study-of-cryptosporidium-hominis-gp60-subtypes-circulating-in-northern-tunisia
#5
Rym Essid, Hanen Chelbi, Siala Emna, Ines Bensghair, Jean Menotti, Aïda Bouratbine
Cryptosporidium spp. are a major cause of gastrointestinal diseases in humans worldwide. While a single subtype of Cryptosporidium hominis has been shown to be responsible for several large outbreaks related to water contamination in developed countries, little is known about the epidemiology of C. hominis in developing countries. This study reports the first genetic characterization of C. hominis at the subtype level in several human populations in an urban region of Tunisia using the gp60 gene. Among 511 stool samples that were collected from different human populations, Cryptosporidium 18S rRNA gene PCR was positive for 39 samples (7...
June 15, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28624508/epidemiological-profile-of-cutaneous-larva-migrans-in-travelers-returning-to-france-between-2003-and-2015
#6
Doudou Sow, Ferelaha Soro, Emilie Javelle, Fabrice Simon, Philippe Parola, Philippe Gautret
BACKGROUND: Cutaneous larva migrans (CLM) is caused by the penetration and migration of canine or feline hookworm larvae into the skin, and frequently affects travelers from high-income countries returning from tropical and sub-tropical areas. Unfortunately, this pathology is neglected due to poor understanding among both physicians and travelers. This study describes the profile of cases reported in Marseille, France. PATIENTS AND METHODS: A retrospective study was performed in two specialized hospitals between 2003 and 2015...
June 15, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28622979/whole-genome-sequencing-for-identification-of-the-source-in-hospital-acquired-legionnaires-disease
#7
A M Rosendahl Madsen, A Holm, T G Jensen, E Knudsen, H Lundgaard, M N Skov, S A Uldum, M Kemp
Acquisition of Legionnaires' disease is a serious complication of hospitalization. Rapid determination of whether or not the infection is caused by strains of Legionella pneumophila in the hospital environment is crucial to avoid further cases. This study investigated the use of whole-genome sequencing to identify the source of infection in hospital-acquired Legionnaires' disease. Phylogenetic analyses showed close relatedness between one patient isolate and a strain found in hospital water, confirming suspicion of nosocomial infection...
April 27, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28616203/reduced-rate-of-intensive-care-unit-acquired-gram-negative-bacilli-after-removal-of-sinks-and-introduction-of-water-free-patient-care
#8
Joost Hopman, Alma Tostmann, Heiman Wertheim, Maria Bos, Eva Kolwijck, Reinier Akkermans, Patrick Sturm, Andreas Voss, Peter Pickkers, Hans Vd Hoeven
BACKGROUND: Sinks in patient rooms are associated with hospital-acquired infections. The aim of this study was to evaluate the effect of removal of sinks from the Intensive Care Unit (ICU) patient rooms and the introduction of 'water-free' patient care on gram-negative bacilli colonization rates. METHODS: We conducted a 2-year pre/post quasi-experimental study that compared monthly gram-negative bacilli colonization rates pre- and post-intervention using segmented regression analysis of interrupted time series data...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28608664/trend-of-cd4-cell-counts-at-diagnosis-and-initiation-of-highly-active-antiretroviral-therapy-haart-korea-hiv-aids-cohort-study-1992-2015
#9
Min Jung Kim, Hyun Ha Chang, Sang Il Kim, Youn Jeong Kim, Dae Won Park, Chun Kang, Mee Kyung Kee, Ju Yeon Choi, Soo Min Kim, Bo Youl Choi, Woo Joo Kim, June Myung Kim, Jun Yong Choi, Young Hwa Choi, Jin Soo Lee, Shin Woo Kim
BACKGROUND: CD4+ cell counts reflect immunologic status of human immunodeficiency virus (HIV) patients. Recommended CD4+ cell counts for the initiation of highly active antiretroviral therapy (HAART) has increased over the past several years in various HIV treatment guidelines. We investigated the trend of CD4+ cell counts at diagnosis and treatment start using data from the Korea HIV/acquired immune deficiency syndrome (AIDS) Cohort Study. MATERIALS AND METHODS: The Korea HIV/AIDS Cohort Study started in 2006 and enrolled HIV patients from 21 tertiary and secondary hospitals in South Korea...
June 1, 2017: Infection & Chemotherapy
https://www.readbyqxmd.com/read/28608660/emergence-of-community-genotype-methicillin-resistant-staphylococcus-aureus-in-korean-hospitals-clinical-characteristics-of-nosocomial-infections-by-community-genotype-strain
#10
Eun Jeong Joo, Doo Ryeon Chung, So Hyun Kim, Jin Yang Baek, Nam Yong Lee, Sun Young Cho, Young Eun Ha, Cheol In Kang, Kyong Ran Peck, Jae Hoon Song
BACKGROUND: As community-genotype methicillin-resistant Staphylococcus aureus (MRSA) strains spread into hospitals, the genotypes of the MRSA strains causing hospital-acquired (HA) infections have become more diverse. We describe clinical characteristics of nosocomial MRSA infections by a community-genotype of sequence type (ST) 72. MATERIALS AND METHODS: A case-control study was designed among patients with HA-MRSA infections. Forty patients with infections caused by ST72-MRSA SCCmec type IV were selected as cases...
May 26, 2017: Infection & Chemotherapy
https://www.readbyqxmd.com/read/28607024/population-pharmacokinetics-of-tigecycline-in-critically-ill-patients-with-severe-infections
#11
Jiao Xie, Jason A Roberts, Abdulaziz S Alobaid, Claire Roger, Yan Wang, Qianting Yang, Jinyao Sun, Haiyan Dong, Xue Wang, Jianfeng Xing, Jeffrey Lipman, Yalin Dong
Objectives: We sought to describe the population pharmacokinetics of tigecycline in critically ill patients and describe optimized dosing regimens of tigecycline for different bacterial infections.Methods: This prospective study included ten critically ill patients given a standard dose of tigecycline. Blood samples were collected during one dosing interval and analyzed using validated chromatography. Population pharmacokinetics and Monte Carlo dosing simulations were undertaken using Pmetrics. Three target exposures, ratios of 24h area under the curve to minimum inhibitory concentrations (AUC0-24/MIC), were evaluated (≥17...
June 12, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28606066/treatment-outcome-of-children-with-persistent-diarrhoea-admitted-to-an-urban-hospital-dhaka-during-2012-2013
#12
Mustafa Mahfuz, Mohammed Ashraful Alam, Shoeb Bin Islam, Nurun Nahar Naila, Mohammod Jobayer Chisti, Nur Haque Alam, Shafiqul Alam Sarker, Tahmeed Ahmed
BACKGROUND: Despite availability of treatment guidelines, persistent diarrhoea (PD) has been a major contributor of diarrhoeal deaths in low and middle income countries. We evaluated the outcome of children under the age of 5 years who were treated for PD using management algorithm with locally available foods in a diarrhoeal disease hospital in Dhaka. METHODS: We extracted retrospective data from electronic database for all the under-five children admitted for PD in the Longer Stay Ward and Intensive Care Unit of the Dhaka hospital at icddr,b between 2012 and 2013...
June 12, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28605194/discovery-of-two-bacterial-nitric-oxide-responsive-proteins-and-their-roles-in-bacterial-biofilm-regulation
#13
Sajjad Hossain, Lisa-Marie Nisbett, Elizabeth M Boon
Bacterial biofilms form when bacteria adhere to a surface and produce an exopolysaccharide matrix ( Costerton Science 1999 , 284 , 1318 ; Davies Science 1998 , 280 , 295 ; Flemming Nat. Rev. Microbiol. 2010 , 8 , 623 ). Because biofilms are resistant to antibiotics, they are problematic in many aspects of human health and welfare, causing, for instance, persistent fouling of medical implants such as catheters and artificial joints ( Brunetto Chimia 2008 , 62 , 249 ). They are responsible for chronic infections in the lungs of cystic fibrosis patients and in open wounds, such as those associated with burns and diabetes...
June 12, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28604316/when-students-become-patients-tb-disease-among-medical-undergraduates-in-cape-town-south-africa
#14
Helene-Mari Van der Westhuizen, Angela Dramowski
BACKGROUND: Medical students acquire latent tuberculosis (TB) infection at a rate of 23 cases/100 person-years. The frequency and impact of occupational TB disease in this population are unknown. METHODS: A self-administered questionnaire was distributed via email and social media to current medical students and recently graduated doctors (2010 - 2015) at two medical schools in Cape Town. Individuals who had developed TB disease as undergraduate students were eligible to participate...
May 24, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28603717/assessment-of-the-risk-to-public-health-due-to-use-of-antimicrobials-in-pigs-an-example-of-pleuromutilins-in-denmark
#15
Lis Alban, Johanne Ellis-Iversen, Margit Andreasen, Jan Dahl, Ute W Sönksen
Antibiotic consumption in pigs can be optimized by developing treatment guidelines, which encourage veterinarians to use effective drugs with low probability of developing resistance of importance for human health. In Denmark, treatment guidelines for use in swine production are currently under review at the Danish Veterinary and Food Administration. Use of pleuromutilins in swine has previously been associated with a very low risk for human health. However, recent international data and sporadic findings of novel resistance genes suggest a change of risk...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28602063/risk-factors-for-poor-prognosis-in-nosocomial-infective-endocarditis
#16
Ji-Won Hwang, Seung Woo Park, Eun Jeong Cho, Ga Yeon Lee, Eun Kyoung Kim, Sung-A Chang, Sung-Ji Park, Sang-Chol Lee, Cheol-In Kang, Doo Ryeon Chung, Kyong Ran Peck, Jae-Hoon Song, Ji-Won Hwang, Seung Woo Park, Eun Jeong Cho, Ga Yeon Lee, Eun Kyoung Kim, Sung-A Chang, Sung-Ji Park, Sang-Chol Lee, Cheol-In Kang, Doo Ryeon Chung, Kyong Ran Peck, Jae-Hoon Song
Background/Aims: The aim of our study was to compare the characteristics of nosocomial infective endocarditis (NIE) with community-acquired infective endocarditis (CIE) and to determine independent risk factors for in-hospital death. Methods: We retrospectively reviewed the medical records of 560 patients diagnosed with infective endocarditis. NIE was defined by a diagnosis made > 72 hours after hospital admission or within 2 months of hospital discharge. Results: Among the 560 cases reviewed, 121 were classified as NIE...
June 2, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28599008/pediatric-melioidosis-in-sarawak-malaysia-epidemiological-clinical-and-microbiological-characteristics
#17
Anand Mohan, Yuwana Podin, Nickson Tai, Chae-Hee Chieng, Vanessa Rigas, Barbara Machunter, Mark Mayo, Desiree Wong, Su-Lin Chien, Lee-See Tan, Charles Goh, Reginal Bantin, Alexander Mijen, Wen-Yi Chua, King-Ching Hii, See-Chang Wong, Hie-Ung Ngian, Jin-Shyan Wong, Jamilah Hashim, Bart J Currie, Mong-How Ooi
BACKGROUND: Melioidosis is a serious, and potentially fatal community-acquired infection endemic to northern Australia and Southeast Asia, including Sarawak, Malaysia. The disease, caused by the usually intrinsically aminoglycoside-resistant Burkholderia pseudomallei, most commonly affects adults with predisposing risk factors. There are limited data on pediatric melioidosis in Sarawak. METHODS: A part prospective, part retrospective study of children aged <15 years with culture-confirmed melioidosis was conducted in the 3 major public hospitals in Central Sarawak between 2009 and 2014...
June 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28598310/in-vitro-activities-of-vancomycin-and-linezolid-against-biofilm-producing-methicillin-resistant-staphylococci-species-isolated-from-catheter-related-bloodstream-infections-from-an-egyptian-tertiary-hospital
#18
Asmaa A Hashem, Noha M Abd El Fadeal, Atef S Shehata
PURPOSE: Catheter-related bloodstream infections (CRBSIs) are among the most common hospital-acquired infections. We aimed to survey methicillin resistance, biofilm production and susceptibility to vancomycin, linezolid and other antibiotics for staphylococci isolated from CRBSIs. METHODOLOGY: Fifty-eight isolates [20 S. aureus and 38 coagulase-negative staphylococci (CoNS; 20 Staphylococcusepidermidis, nine Staphylococcushaemolyticus, three Staphylococcusschleiferi, two Staphylococcuswarneri and four Staphylococcuslugdunensis)] were tested for methicillin resistance by cefoxitin disk diffusion and detection of the mecA gene by PCR; biofilm-forming ability using Congo red agar and tissue culture plate methods; susceptibility to ciprofloxacin, clindamycin, cotrimoxazole, erythromycin, gentamicin, linezolid, rifampicin and tetracycline; and MIC determination for vancomycin...
June 9, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28598304/antibacterial-activity-of-diacetylcurcumin-against-staphylococcus-aureus-results-in-decreased-biofilm-and-cellular-adhesion
#19
Janaina de Cássia Orlandi Sardi, Carlos Roberto Polaquini, Irlan Almeida Freires, Livia Câmara de Carvalho Galvão, Josy Goldoni Lazarini, Guilherme Silva Torrezan, Luis Octávio Regasini, Pedro Luiz Rosalen
PURPOSE: Staphylococcus aureus infections have contributed to the global healthcare burden, particularly with regard to hospital-acquired meticillin-resistant S. aureus (MRSA) infections. METHODOLOGY: This study describes the antibacterial activity of diacetylcurcumin (DAC) against meticillin-susceptible S. aureus/MRSA biofilm formation, survival, metabolic activity and structure; its ability to prevent bacterial adhesion to human cells; and toxicity in Galleria mellonella larvae...
June 9, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28595630/prevalence-and-risk-factors-of-poor-immune-recovery-among-adult-hiv-patients-attending-care-and-treatment-centre-in-northwestern-tanzania-following-the-use-of-highly-active-antiretroviral-therapy-a-retrospective-study
#20
Daniel W Gunda, Semvua B Kilonzo, Erasmus Kamugisha, Engelbert Z Rauya, Bonaventura C Mpondo
BACKGROUND: Highly Active Antiretroviral therapy (HAART) reverses the effect of Human Immunodeficiency Virus/Acquired Immune Deficiency Syndrome (HIV/AIDS) by durably suppressing viral replication. This allows CD4 gain to levels that are adequate enough to restore the body's capability to fight against opportunistic infections (OIs). Patients with poor immune recovery have been shown to have higher risk of developing both AIDS and non AIDS related clinical events. This study aimed at assessing the proportions and risk factors of poor immune recovery in adult HIV-infected patients on 48 months of HAART attending care and treatment center (CTC) in northwestern Tanzania...
June 8, 2017: BMC Research Notes
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