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A Time Series Analysis Evaluating Antibiotic Prescription Rates in Long-Term Care during the COVID-19 Pandemic in Alberta and Ontario, Canada.

ABSTRACT: The COVID-19 pandemic affected access to care, and the associated public health measures influenced the transmission of other infectious diseases. The pandemic has dramatically changed antibiotic prescribing in the community. We aimed to determine the impact of the COVID-19 pandemic and the resulting control measures on oral antibiotic prescribing in long-term care facilities (LTCFs) in Alberta and Ontario, Canada using linked administrative data. Antibiotic prescription data were collected for LTCF residents 65 years and older in Alberta and Ontario from 1 January 2017 until 31 December 2020. Weekly prescription rates per 1000 residents, stratified by age, sex, antibiotic class, and selected individual agents, were calculated. Interrupted time series analyses using SARIMA models were performed to test for changes in antibiotic prescription rates after the start of the pandemic (1 March 2020). The average annual cohort size was 18,489 for Alberta and 96,614 for Ontario. A significant decrease in overall weekly prescription rates after the start of the pandemic compared to pre-pandemic was found in Alberta, but not in Ontario. Furthermore, a significant decrease in prescription rates was observed for antibiotics mainly used to treat respiratory tract infections: amoxicillin in both provinces (Alberta: -0.6 per 1000 LTCF residents decrease in weekly prescription rate, p = 0.006; Ontario: -0.8, p < 0.001); and doxycycline (-0.2, p = 0.005) and penicillin (-0.04, p = 0.014) in Ontario. In Ontario, azithromycin was prescribed at a significantly higher rate after the start of the pandemic (0.7 per 1000 LTCF residents increase in weekly prescription rate, p = 0.011). A decrease in prescription rates for antibiotics that are largely used to treat respiratory tract infections is in keeping with the lower observed rates for respiratory infections resulting from pandemic control measures. The results should be considered in the contexts of different LTCF systems and provincial public health responses to the pandemic.

SUBMITTER: Haverkate MR

PROVIDER: S-EPMC9330385 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:IntroductionAntimicrobial resistance (AMR) impacts the health and well-being of animals, affects animal owners both socially and economically, and contributes to AMR at the human and environmental interface. The overuse and/or inappropriate use of antibiotics in animals has been identified as one of the most important drivers of the development of AMR in animals. Effective antibiotic stewardship interventions such as feedback can be adopted in veterinary practices to improve antibiotic prescribing. However, the provision of dedicated financial and technical resources to implement such systems are challenging. The newly developed web-based Online Platform for Expanding Antibiotic Stewardship (OPEN Stewardship) platform aims to automate the generation of feedback reports and facilitate wider adoption of antibiotic stewardship. This paper describes a protocol to evaluate the usability and usefulness of a feedback intervention among veterinarians and assess its impact on individual antibiotic prescribing.Methods and analysisApproximately 80 veterinarians from Ontario, Canada and 60 veterinarians from Israel will be voluntarily enrolled in a controlled interrupted time-series study and their monthly antibiotic prescribing data accessed. The study intervention consists of targeted feedback reports generated using the OPEN Stewardship platform. After a 3-month preintervention period, a cohort of veterinarians (treatment cohort, n=120) will receive three feedback reports over the course of 6 months while the remainder of the veterinarians (n=20) will be the control cohort. A survey will be administered among the treatment cohort after each feedback cycle to assess the usability and usefulness of various elements of the feedback report. A multilevel negative-binomial regression analysis of the preintervention and postintervention antibiotic prescribing of the treatment cohort will be performed to evaluate the impact of the intervention.Ethics and disseminationResearch ethics board approval was obtained at each participating site prior to the recruitment of the veterinarians. The study findings will be disseminated through open-access scientific publications, stakeholder networks and national/international meetings.

Project description:BackgroundParamethoxymethamphetamine (PMMA) is a ring-substituted amphetamine similar in structure to 3,4-methylenedioxymethamphetamine (MDMA or "ecstasy"), but substantially more toxic. We describe the clinical features of fatal exposures in the provinces of Alberta and British Columbia, Canada.MethodsWe conducted a retrospective case series on deaths in Alberta and BC between June 2011 and April 2012 for which forensic toxicologic analysis was positive for PMMA and the drug was implicated as the primary toxic agent. Data collected included patient demographics, exposure history, clinical features, investigations, therapy provided and postmortem toxicologic findings.ResultsA total of 27 PMMA-associated deaths (20 in Alberta, 7 in BC) were reported in the 11-month period. The median age was 24 (range 14-52) years, and 22 (81%) were male. Ten patients were pronounced dead at the scene, and 17 died in hospital. The median time from exposure to death was 17 (range 5-264) hours. The median first-recorded vital signs (and ranges) were: heart rate 160 (86-201) beats/min, blood pressure 89/43 (69/30-162/83) mm Hg, respiratory rate 40 (26-48) breaths/min, oxygen saturation 81% (68%-100%) and temperature 39.4°C (34-43.8°C). Sixteen of the 17 people who died in hospital presented with clinical features consistent with serotonin syndrome. End-organ dysfunction included hepatic (30%) and acute kidney injury (85%), rhabdomyolysis (54%), coagulopathy (61%) and cardiac ischemia (15%). Other drugs identified on toxicologic analysis were MDMA (n = 27), cocaine or its metabolite benzoylecgonine (n = 14) and methamphetamine (n = 12).InterpretationExposure to PMMA was characterized by multiorgan dysfunction and serotonin syndrome, followed by cardiovascular collapse. In addition to PMMA, multiple synthetic amphetamines were present on toxicologic analysis. When evaluating patients suspected of exposure to sympathomimetic drugs of abuse, clinicians must anticipate multiple clinical effects from the increased release of dopamine, serotonin, norepinephrine and other neurotransmitters.

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A Time Series Analysis Evaluating Antibiotic Prescription Rates in Long-Term Care during the COVID-19 Pandemic in Alberta and Ontario, Canada.

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