Notes

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The Scottish Antimicrobial Prescribing Group is supporting two hospitals in Ghana to develop antimicrobial stewardship. Early intelligence gathering suggested that surgical prophylaxis was suboptimal. We reviewed the evidence for use of surgical prophylaxis to prevent surgical site infections (SSIs) in low- and middle-income countries (LMICs) to inform this work.

MEDLINE, Embase, Cochrane, CINAHL and Google Scholar were searched from inception to 17 February 2020 for trials, audits, guidelines and systematic reviews in English. Grey literature, websites and reference lists of included studies were searched. Randomized clinical trials reporting incidence of SSI following Caesarean section were included in two meta-analyses. Narrative analysis of studies that explored behaviours and attitudes was conducted.

This review included 51 studies related to SSI and timing of antibiotic prophylaxis in LMICs. Incidence of SSI is higher in LMICs, infection surveillance data are poor and there is a lack of local guidelines for antibiotic prophylaxis. Education to improve appropriate antibiotic prophylaxis is associated with reduction of SSI in LMICs. The random-effects pooled mean risk ratio of SSI in Caesarean section was 0.77 (95% CI 0.51-1.17) for pre-incision versus post-incision prophylaxis and 0.89 (95% CI 0.55-1.14) for short versus long duration. Reduction in cost and nurse time was reported in shorter-duration surgical antibiotic prophylaxis.

There is scope for improvement, but interventions must include local context and address strongly held beliefs. Establishment of local multidisciplinary teams will promote ownership and sustainability of change.
There is scope for improvement, but interventions must include local context and address strongly held beliefs. Establishment of local multidisciplinary teams will promote ownership and sustainability of change.Graphical Abstract.
Understanding social and scientific drivers of antibiotic resistance is critical to help preserve antibiotic efficacy. These drivers include exposure to subinhibitory antibiotic concentrations in the environment and clinic.

To summarize and quantify the relationship between subinhibitory fluoroquinolone exposure and antibiotic resistance and mutagenesis to better understand resistance patterns and mechanisms.

Following PRISMA guidelines, PubMed, Web of Science and Embase were searched for primary
experimental studies on subinhibitory fluoroquinolone exposure and bacterial antibiotic resistance and mutagenesis, from earliest available dates through to 2018 without language limitation. A specifically developed non-weighted tool was used to assess risk of bias.

Evidence from 62 eligible studies showed that subinhibitory fluoroquinolone exposure results in increased resistance to the selecting fluoroquinolone. Most increases in MIC were low (median minimum of 3.7-fold and median maximum of 32-fold) andance changes or genomic surveillance of efflux pump genes and regulators, could serve as a predictor of MDR development.
An estimated 3.2 million patients annually develop healthcare-associated infections (HCAIs) in Europe alone amid the major challenge of increasing antimicrobial resistance. Critically ill children warrant specific evaluation because of differences in epidemiology, causative organisms and infection sites.

To examine the prevalence and antimicrobial susceptibility patterns of three types of HCAI in critically ill children and determine the effect on their disease course.

Retrospective cohort review of critically ill children admitted to a general paediatric ICU (PICU) at a regional academic tertiary referral centre over a 3 year period.

There were 1930 admissions with a median age of 38 months. Children with HCAIs had a higher incidence of comorbidities (74% versus 24%) and a longer median length of stay (8 days versus 3 days). We identified 26 positive isolates (blood, lower respiratory and urine) taken 48 h or more after admission. The combined incidence was 1.34%. Hospital-acquired pneumonia accounted for 58% of HCAIs, urinary tract infections for 31% and bloodstream infections for 11%. The majority (61.5%) of HCAIs were caused by Gram-negative organisms. Seven isolates were resistant to antimicrobials used to treat HCAI. All of these were Gram-negative organisms (
,
and
).

These data revealed a low incidence of HCAIs, 27% of which were resistant Gram-negative organisms. Critically ill children with HCAIs were more likely to have comorbidities and an increased length of stay. These factors may increasingly impact on PICU bed availability, an already limited resource.
These data revealed a low incidence of HCAIs, 27% of which were resistant Gram-negative organisms. Critically ill children with HCAIs were more likely to have comorbidities and an increased length of stay. These factors may increasingly impact on PICU bed availability, an already limited resource.
To synthesize current evidence for the effectiveness of interventions to ensure the timely review of antibiotics in acute care hospitals.

Five databases were searched from 1 January 2015 to 8 March 2019 for studies in English, focused on the timely review of antibiotics in acute care hospitals. Randomized controlled trials, non-randomized studies, case-control and cohort study designs were eligible. Intervention strategies were categorized according to the Cochrane Effective Practice and Organisation of Care taxonomy of health interventions, then mapped to the intervention functions of the behaviour change wheel.

Fourteen studies were included. Most studies (11 out of 14) were conducted in single sites. Nine out of 14 reported intervention delivery by more than one healthcare professional. Physicians were the main targets of interventions in all studies. Thirteen out of 14 studies tested interventions comprising more than one strategy. The three most commonly utilized strategies within interventions wer.Graphical Abstract.Graphical Abstract.Graphical Abstract.
IV drugs are commonly prescribed for inpatient treatment. Where administered as infusions, drug dose loss is incurred if the infusion line is not flushed. SW-100 solubility dmso Underdosing of IV antimicrobials is of particular concern as reduced treatment efficacy increases the risk of patient deterioration (including sepsis) and development of antimicrobial resistance.

To quantify drug loss, raise awareness and provide recommendations to address this patient safety risk effectively.

Percentage drug loss of 39 IV antimicrobials was calculated for a theoretical patient case scenario, using residual volumes for IV infusion lines utilized within this acute healthcare setting. An adult male patient (70 kg) with good renal function was assumed for drug dosing. Infusion volumes and doses are based on a widely used IV administration guide.

Data revealed the scope and extent of antimicrobial drug losses where infusion lines were not flushed as ranging from 2% to 33%. More than 10% of the drug would be lost for 26 of the 39 antimicrobials assessed, with five of these yielding over 20% loss.
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