Publications by authors named "Minyon Avent"

Penicillin allergy is a significant burden on patient, prescribing and hospital outcomes. There has been increasing interest in the incorporation of penicillin allergy testing (i.e.

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Problem: In Australia, inappropriate prescribing of antimicrobials is higher in rural and regional areas than in major city hospitals. Inappropriate prescribing is defined as the prescription of antimicrobial agents that do not adhere to guidelines in terms of type of antimicrobial chosen, dose and/or duration or are deemed unnecessary. A review of antimicrobial prescribing in a Queensland rural Hospital and Health Service (HHS) identified that respiratory infections were an area for potential improvement.

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Background: The health and economic burden of antimicrobial resistance (in Australia is significant. Interventions that help guide and improve appropriate prescribing for acute respiratory tract infections in the community represent an opportunity to slow the spread of resistant bacteria. Clinicians who work in primary care are potentially the most influential health care professionals to address the problem of antimicrobial resistance, because this is where most antibiotics are prescribed.

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Objectives: Timely intravenous-to-oral antibiotic switching for children is important for paediatric antimicrobial stewardship (AMS). However, low decision-making confidence and fragmentation of patient care can hamper implementation, with difficulties heightened regionally where AMS programmes for children are lacking. The aim of this study was to develop and evaluate user-led creation and implementation of an intervention package for early intravenous-to-oral switching at regional hospitals in Queensland, Australia.

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Debate continues as to the role of combination antibiotic therapy for the management of Pseudomonas aeruginosa infections. We studied the extent of bacterial killing by and the emergence of resistance to meropenem and amikacin as monotherapies and as a combination therapy against susceptible and resistant P. aeruginosa isolates from bacteremic patients using the dynamic hollow-fiber infection model.

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Background: The Australian National Antimicrobial Resistance Strategy calls for a collaborative effort to change practices that have contributed to the development of drug-resistance and for implementation of new initiatives to reduce antibiotic use.

Methods: A facilitated workshop was undertaken at the 2019 National Australian Antimicrobial Resistance Forum to explore the complexity of antimicrobial stewardship (AMS) implementation in Australia and prioritise future action. Participants engaged in rotating rounds of discussion using a world café format addressing six topics relating to AMS implementation.

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Article Synopsis
  • Intravenous antibiotics are often overprescribed in hospitals, while many infections can be effectively treated with oral antibiotics, which are typically safer and cheaper.
  • It’s usually possible to switch from IV to oral antibiotics after a brief initial treatment, guided by specific clinical guidelines to maintain effectiveness.
  • Certain infections like pneumonia, complicated UTIs, and skin infections can benefit from a short course of IV antibiotics, but research is ongoing about the timing for switching to oral antibiotics for more severe cases like bone infections and endocarditis.
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Background: The quick sequential organ failure assessment (qSOFA) score predicts mortality in patients with suspected infection. We sought to understand how well qSOFA and the Systemic Inflammatory Response Syndrome (SIRS) criteria predict gram negative bacteraemia.

Methods: We prospectively evaluated 99 patients with gram negative bloodstream infection from a single tertiary centre.

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Objectives: Various strategies have been implemented in primary care to address the inappropriate use of antibiotics, with varying degrees of success. One such intervention is delayed or 'wait and see' prescribing, where the prescriber indicates to wait a few days before dispensing the antibiotic. The aim of this study was to explore community pharmacists' perceptions and practice experiences with delayed antibiotic prescribing.

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Few studies are available to inform duration of intravenous antibiotics for children and when it is safe and appropriate to switch to oral antibiotics. We have systematically reviewed antibiotic duration and timing of intravenous to oral switch for 36 paediatric infectious diseases and developed evidence-graded recommendations on the basis of the review, guidelines, and expert consensus. We searched databases and obtained information from references identified and relevant guidelines.

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Background: There is a strong link between antibiotic consumption and the rate of antibiotic resistance. In Australia, the vast majority of antibiotics are prescribed by general practitioners, and the most common indication is for acute respiratory infections. The aim of this study is to assess if implementing a package of integrated, multifaceted interventions reduces antibiotic prescribing for acute respiratory infections in general practice.

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Objectives: The Australian Commission on Safety and Quality in Health Care released recommendations for antimicrobial stewardship programmes to be established within all Australian healthcare facilities. However, implementation practices are not well defined. The aim of this study was to gain an understanding of factors affecting implementation of antimicrobial stewardship programmes within Australian regional and rural hospitals.

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Background: There is increasing recognition of the threat to neonatal patients from antibiotic resistance. There are limited data on antimicrobial prescribing practices for hospitalized neonates. We aimed to describe antimicrobial use in hospitalized Australian neonatal patients, and to determine its appropriateness.

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Objectives: To describe antimicrobial use in hospitalised Australian children and to analyse the appropriateness of this antimicrobial use.

Design: Multicentre single-day hospital-wide point prevalence survey, conducted in conjunction with the Antimicrobial Resistance and Prescribing in European Children study.

Setting: Eight children's hospitals across five Australian states, surveyed during late spring and early summer 2012.

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Article Synopsis
  • * A survey of 26 facilities showed that while many had access to clinical guidelines and monitoring practices, only a small percentage had dedicated AMS teams, and significant barriers like insufficient pharmacy resources and financial support were identified.
  • * The study concluded that improvements are needed in reviewing antimicrobial prescriptions, providing education and training, and enhancing resource availability to strengthen AMS programs in hospitals.
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Several nomograms and algorithms have been developed to individualize pharmacokinetic monitoring with their own advantages and disadvantages. This study compared 3 pharmacokinetic methods for predicting doses and monitoring of gentamicin in adult patients with febrile neutropenia. A retrospective study of 75 patients with febrile neutropenia was conducted at the Royal Adelaide Hospital, South Australia.

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Because of a lack of data supporting traditional dosing regimens for aminoglycosides, especially in extremely low-birth-weight infants, the authors developed revised dosing guidelines. The new guidelines increased doses to 5 mg/kg (over traditional doses of 2.5 mg/kg) and lengthened the dosing interval.

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