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Australia antibiotic resistance

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https://www.readbyqxmd.com/read/28931456/perceptions-of-barriers-to-the-management-of-respiratory-tract-infections-in-general-practice-settings-in-australia
#1
Stephanie Fletcher-Lartey, Rabia Khan
Inappropriate prescribing of antibiotics for the management of respiratory tract infections (RTIs) has contributed to increased prevalence of antibiotic resistance, and this remains a challenge. The aim of this study was to evaluate the effect of general practitioners' (GPs) participation in the Antibiotics: Clinical e-Audit, a quality-improvement activity, on GP self-reported knowledge and practice change, and explored barriers encountered in the management of respiratory tract infections (RTIs). Participants completed a survey at the end of the activity to assess the usefulness of the audit, any reported changes made and barriers encountered to their clinical practice...
September 21, 2017: Australian Journal of Primary Health
https://www.readbyqxmd.com/read/28921905/antibiotic-resistant-escherichia-coli-in-southeastern-australian-pig-herds-and-implications-for-surveillance
#2
L K van Breda, O P Dhungyel, M P Ward
To investigate public health implications of antibiotics to control post-weaning scours, we surveyed 22 commercial pig herds in southeastern Australia. Fifty faecal samples per herd were collected from pre- and post-weaned piglets. Presumptive Escherichia coli isolates were confirmed by MALDI-TOF MS. Isolates (n = 325) were screened for susceptibility to 19 veterinary antibiotics using MIC broth microdilution. All 325 E. coli isolates underwent further testing against 27 antibiotics used in human medicine and were screened for ETEC adhesin and enterotoxin genes (F4 (K88), F5 (K99), F6 (987P), F18, F41, STa, STb, Stx2e and LT) by multiplex PCR...
September 17, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28910350/phylogeographic-genomic-and-meropenem-susceptibility-analysis-of-burkholderia-ubonensis
#3
Erin P Price, Derek S Sarovich, Jessica R Webb, Carina M Hall, Sierra A Jaramillo, Jason W Sahl, Mirjam Kaestli, Mark Mayo, Glenda Harrington, Anthony L Baker, Lindsay C Sidak-Loftis, Erik W Settles, Madeline Lummis, James M Schupp, John D Gillece, Apichai Tuanyok, Jeffrey Warner, Joseph D Busch, Paul Keim, Bart J Currie, David M Wagner
The bacterium Burkholderia ubonensis is commonly co-isolated from environmental specimens harbouring the melioidosis pathogen, Burkholderia pseudomallei. B. ubonensis has been reported in northern Australia and Thailand but not North America, suggesting similar geographic distribution to B. pseudomallei. Unlike most other Burkholderia cepacia complex (Bcc) species, B. ubonensis is considered non-pathogenic, although its virulence potential has not been tested. Antibiotic resistance in B. ubonensis, particularly towards drugs used to treat the most severe B...
September 14, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28828759/antibiotics-for-persistent-cough-or-wheeze-following-acute-bronchiolitis-in-children
#4
REVIEW
Gabrielle B McCallum, Erin J Plumb, Peter S Morris, Anne B Chang
BACKGROUND: Bronchiolitis is a common acute respiratory condition with high prevalence worldwide. This clinically diagnosed syndrome is manifested by tachypnoea (rapid breathing), with crackles or wheeze in young children. In the acute phase of bronchiolitis (≤ 14 days), antibiotics are not routinely prescribed unless the illness is severe or a secondary bacterial infection is suspected. Although bronchiolitis is usually self-limiting, some young children continue to have protracted symptoms (e...
August 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28818900/genome-sequence-of-an-australian-monophasic-salmonella-enterica-subsp-enterica-typhimurium-isolate-tw-stm6-carrying-a-large-plasmid-with-multiple-antimicrobial-resistance-genes
#5
Mike L Dyall-Smith, Yuhong Liu, Helen Billman-Jacobe
We report the genome sequence of a monophasic Salmonella enterica subsp. enterica Typhimurium strain (TW-Stm6) isolated in Australia that is similar to epidemic multidrug-resistant strains from Europe and elsewhere. This strain carries additional antibiotic and heavy-metal resistance genes on a large (275-kb) IncHI2 plasmid.
August 17, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28811083/phenotypic-chlorhexidine-and-triclosan-susceptibility-in-clinical-staphylococcus-aureus-isolates-in-australia
#6
C Hughes, J Ferguson
Antiseptics such as chlorhexidine gluconate and triclosan are widely used in healthcare settings for both skin antisepsis and decolonisation of Staphylococcus aureus. We determined the minimum inhibitory concentration (MIC) of 198 methicillin susceptible and resistant Staphylococcus aureus clinical isolates to both chlorhexidine and triclosan using an agar dilution method. Of these, 10% (19/198) showed a raised MIC to chlorhexidine and 3% (6/198) showed an elevated MIC to triclosan. The multilocus sequence type (MLST) of each isolate was predicted using a binary method, and although ST93-MRSA-IV was the most common, ST22-MRSA-IV was shown to have statistically higher chlorhexidine MIC values compared with non ST22-MRSA-IV isolates (z = -8...
August 12, 2017: Pathology
https://www.readbyqxmd.com/read/28803587/the-rise-of-methicillin-resistant-staphylococcus-aureus-now-the-dominant-cause-of-skin-and-soft-tissue-infection-in-central-australia
#7
E Macmorran, S Harch, E Athan, S Lane, S Tong, L Crawford, S Krishnaswamy, S Hewagama
This study aimed to examine the epidemiology and treatment outcomes of community-onset purulent staphylococcal skin and soft tissue infections (SSTI) in Central Australia. We performed a prospective observational study of patients hospitalised with community-onset purulent staphylococcal SSTI (n = 160). Indigenous patients accounted for 78% of cases. Patients were predominantly young adults; however, there were high rates of co-morbid disease. Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) was the dominant phenotype, accounting for 60% of cases...
August 14, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28748178/community-based-prescribing-for-impetigo-in-remote-australia-an-opportunity-for-antimicrobial-stewardship
#8
Stefanie Jane Oliver, James Cush, Jeanette E Ward
BACKGROUND: To support antibiotic prescribing for both hospital and community-based health professionals working in remote North Western Australia, a multidisciplinary Antimicrobial Stewardship (AMS) Committee was established in 2013. This Committee is usually focused on hospital-based prescribing. A troubling increase in sulfamethoxazole/trimethoprim resistance in Staphylococcus aureus antibiograms from 9 to 18% over 1 year prompted a shift in gaze to community prescribing. WHAT WE DID: Finding a paucity of relevant research, we first investigated contextual factors influencing local prescribing...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28717172/evolution-of-the-pseudomonas-aeruginosa-mutational-resistome-in-an-international-cystic-fibrosis-clone
#9
Carla López-Causapé, Lea Mette Sommer, Gabriel Cabot, Rosa Rubio, Alain A Ocampo-Sosa, Helle Krogh Johansen, Joan Figuerola, Rafael Cantón, Timothy J Kidd, Soeren Molin, Antonio Oliver
Emergence of epidemic clones and antibiotic resistance development compromises the management of Pseudomonas aeruginosa cystic fibrosis (CF) chronic respiratory infections. Whole genome sequencing (WGS) was used to decipher the phylogeny, interpatient dissemination, WGS mutator genotypes (mutome) and resistome of a widespread clone (CC274), in isolates from two highly-distant countries, Australia and Spain, covering an 18-year period. The coexistence of two divergent CC274 clonal lineages was revealed, but without evident geographical barrier; phylogenetic reconstructions and mutational resistome demonstrated the interpatient transmission of mutators...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28706213/transmission-of-highly-virulent-community-associated-mrsa-st93-and-livestock-associated-mrsa-st398-between-humans-and-pigs-in-australia
#10
S Sahibzada, S Abraham, G W Coombs, S Pang, M Hernández-Jover, D Jordan, J Heller
Pigs have been recognised as a reservoir of livestock associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in Europe, Asia and North America. However, little is known about the presence and distribution of MRSA in the Australian pig population and pig industry. This study describes the presence, distribution and molecular characteristics of the human adapted Australian CA-MRSA ST93 isolated from pigs, people, and the environment within a piggery. Isolates were subjected to antibiotic susceptibility testing, DNA microarray, whole genome sequencing, multi locus sequence typing, virulence and resistance gene characterization and phylogenetic analysis...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28665050/assessing-the-public-acceptability-of-proposed-policy-interventions-to-reduce-the-misuse-of-antibiotics-in-australia-a-report-on-two-community-juries
#11
Chris Degeling, Jane Johnson, Jon Iredell, Ky-Anh Nguyen, Jacqueline M Norris, John D Turnidge, Angus Dawson, Stacy M Carter, Gwendolyn L Gilbert
OBJECTIVE: To elicit the views of well-informed community members on the acceptability of proposed policy interventions designed to improve community use of antibiotics in Australia. DESIGN: Two community juries held in 2016. SETTING AND PARTICIPANTS: Western Sydney and Dubbo communities in NSW, Australia. Twenty-nine participants of diverse social and cultural backgrounds, mixed genders and ages recruited via public advertising: one jury was drawn from a large metropolitan setting; the other from a regional/rural setting...
June 30, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28659133/a-multicentre-double-blind-randomised-controlled-trial-evaluating-the-efficacy-of-daily-use-of-antibacterial-mouthwash-against-oropharyngeal-gonorrhoea-among-men-who-have-sex-with-men-the-omega-oral-mouthwash-use-to-eradicate-gonorrhoea-study-protocol
#12
Eric P F Chow, Sandra Walker, Jane S Hocking, Catriona S Bradshaw, Marcus Y Chen, Sepehr N Tabrizi, Benjamin P Howden, Matthew G Law, Kate Maddaford, Tim R H Read, David A Lewis, David M Whiley, Lei Zhang, Andrew E Grulich, John M Kaldor, Vincent J Cornelisse, Samuel Phillips, Basil Donovan, Anna M McNulty, David J Templeton, Norman Roth, Richard Moore, Christopher K Fairley
BACKGROUND: Gonorrhoea is one of the most common sexually transmissible infections in men who have sex with men (MSM). Gonorrhoea rates have increased substantially in recent years. There is concern that increasing gonorrhoea prevalence will increase the likelihood of worsening antibiotic resistance in Neisseria gonorrhoeae. A recent randomised controlled trial (RCT) demonstrated that a single-dose of mouthwash has an inhibitory effect against oropharyngeal gonorrhoea. We are conducting the first RCT to evaluate whether daily use of mouthwash could reduce the risk of acquiring oropharyngeal gonorrhoea...
June 28, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28619154/an-unusual-culprit-klebsiella-pneumoniae-causing-septicaemia-outbreaks-in-neonatal-pigs
#13
Bethany G Bowring, V Anthony Fahy, Andrew Morris, Alison M Collins
This study investigated the cause of recent outbreaks of septicaemia in neonatal pigs in Australia (Victoria and Queensland). Septicaemia in neonatal pigs is commonly caused by enterotoxigenic E. coli, extraintestinal pathogenic E. coli and beta-haemolytic streptococci. Infrequent causes of septicaemia are Actinobacillus suis and Citrobacter freundii. Therefore, it was quite unexpected when Klebsiella pneumoniae was isolated in predominant growth from multiple organs of pigs dying of septicaemia from six days of age...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28599008/pediatric-melioidosis-in-sarawak-malaysia-epidemiological-clinical-and-microbiological-characteristics
#14
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/28593194/fine-scale-structure-analysis-shows-epidemic-patterns-of-clonal-complex-95-a-cosmopolitan-escherichia-coli-lineage-responsible-for-extraintestinal-infection
#15
David M Gordon, Sarah Geyik, Olivier Clermont, Claire L O'Brien, Shiwei Huang, Charmalie Abayasekara, Ashwin Rajesh, Karina Kennedy, Peter Collignon, Paul Pavli, Christophe Rodriguez, Brian D Johnston, James R Johnson, Jean-Winoc Decousser, Erick Denamur
The Escherichia coli lineage known as clonal complex 95 (CC95) is a cosmopolitan human-associated lineage responsible for a significant fraction of extraintestinal infections of humans. Whole-genome sequence data of 200 CC95 strains from various origins enabled determination of the CC95 pangenome. The pangenome analysis revealed that strains of the complex could be assigned to one of five subgroups that vary in their serotype, extraintestinal virulence, virulence gene content, and antibiotic resistance gene profile...
May 2017: MSphere
https://www.readbyqxmd.com/read/28542602/antimicrobial-resistance-status-of-enterococcus-from-australian-cattle-populations-at-slaughter
#16
Robert S Barlow, Kate E McMillan, Lesley L Duffy, Narelle Fegan, David Jordan, Glen E Mellor
Antimicrobial agents are used in cattle production systems for the prevention and control of bacterial associated diseases. A consequence of their use is the potential development of antimicrobial resistance (AMR). Enterococcus faecium and Enterococcus faecalis that are resistant to antimicrobials are of increased concern to public health officials throughout the world as they may compromise the ability of various treatment regimens to control disease and infection in human medicine. Australia is a major exporter of beef; however it does not have an ongoing surveillance system for AMR in cattle or foods derived from these animals...
2017: PloS One
https://www.readbyqxmd.com/read/28493905/melioidosis-clinical-impact-and-public-health-threat-in-the-tropics
#17
REVIEW
Ramar Perumal Samy, Bradley G Stiles, Gautam Sethi, Lina H K Lim
This review briefly summarizes the geographical distribution and clinical impact of melioidosis, especially in the tropics. Burkholderia pseudomallei (a gram-negative bacterium) is the major causative agent for melioidosis, which is prevalent in Singapore, Malaysia, Thailand, Vietnam, and Northern Australia. Melioidosis patients are increasingly being recognized in other parts of the world. The bacteria are intrinsically resistant to many antimicrobial agents, but prolonged treatment, especially with combinations of antibiotics, may be effective...
May 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28435890/gene-expression-profile-of-human-cytokines-in-response-to-burkholderia-pseudomallei-infection
#18
Shivankari Krishnananthasivam, Harindra Darshana Sathkumara, Enoka Corea, Mohan Natesan, Aruna Dharshan De Silva
Melioidosis is an underreported infectious disease, caused by the Gram-negative bacterium Burkholderia pseudomallei. Understanding the disease susceptibility and pathogenesis is crucial for developing newer diagnostic and therapeutic strategies for this life-threatening infection. In this study, we aimed to analyze the gene expression levels of important cytokines in melioidosis patients and establish useful correlates with disease biomarkers compared to cases of sepsis infection caused by other pathogens and healthy individuals...
March 2017: MSphere
https://www.readbyqxmd.com/read/28421643/empiric-antibiotic-regimens-for-neonatal-sepsis-in-australian-and-new-zealand-neonatal-intensive-care-units
#19
Jeremy P Carr, David P Burgner, Rohan S Hardikar, Jim P Buttery
AIM: Neonatal sepsis remains an important cause of morbidity and mortality, and requires prompt empiric treatment. However, only a minority of babies who receive antibiotics for suspected sepsis have an infection. Antimicrobial exposure in infancy has important short- and long-term consequences. There is no consensus regarding empirical antimicrobial regimens. METHODS: The study included a survey of empiric antimicrobial regimens in all tertiary neonatal intensive care units in Australia and New Zealand in 2013-2014...
April 19, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28389093/risk-factors-for-kpc-producing-enterobacteriaceae-acquisition-and-infection-in-a-healthcare-setting-with-possible-local-transmission-a-case-control-study
#20
K M Cronin, Y S Poy Lorenzo, M E Olenski, A E Bloch, K Visvanathan, M J Waters, K L Buising
BACKGROUND: Reports of Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae (KPC-Kp) in Australia were previously uncommon, with cases imported sporadically by travellers from higher prevalence countries. AIM: The study institution reported the first outbreak of KPC-Kp in Australia. The aim of this study was to identify risk factors for KPC-Kp colonization and infection using a matched case-control study. METHODS: The study included all hospitalized patients with KPC-Kp colonization or infection from January 2012 to September 2015...
June 2017: Journal of Hospital Infection
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