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Objectives and importance of study: Despite the abundance of mental health research during the pandemic, there is limited evidence exploring mental health presentations to Australian general practice. This study examined the utilisation of telehealth for mental health consultations in Australian general practice during the COVID-19 pandemic. The objectives were to: 1) determine the proportion of mental health services delivered via telehealth between March 2020 and November 2021; 2) determine the types of mental health consultations most frequently delivered via telehealth; and 3) model the sociodemographic characteristics of patients using telehealth mental health consultations, including consultation type. STUDY TYPE: Retrospective observational study. METHODS: We used Medicare Benefits Schedule service item numbers to distinguish mental health consultations in de-identified electronic general practice data. We stratified the proportions of face-to-face, video, and telephone mental health consultations by state and consultation type. We used two mixed-effects logistic models to assess the variation in the likelihood of i) a telehealth (video/telephone) compared to a face-to-face consultation and ii) a video compared to telephone consultation; by sociodemographic characteristics. RESULTS: The study comprised 874 249 mental health consultations. Telehealth use peaked in Victoria (61.6%) during July 2020 and in NSW during August 2021 (52.5%). Telehealth use continued throughout 2021 with an increase in video consultations from July 2021 onwards in both states. Proportions of mental health treatment plan consultations via telephone decreased from July 2021 with a concomitant increase in video. Telehealth was more likely to be used by females, in Victoria, in regional/remote regions and during 2020. Video was more likely to be used than telephone for mental health treatment plans/reviews compared with mental health consultations. Compared with people aged 25-29, video was most likely to be used by ages 20-24 and least by those aged 80 and over. There was no evidence for sex differences when comparing telephone and video. CONCLUSIONS: This study presents a comprehensive understanding of the important role telehealth played in the delivery of mental health consultations during the first 21 months of the pandemic, including sociodemographics of patients utilising telehealth. The findings can assist general practices with future planning for the delivery of mental health services via telehealth.

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The onset of the coronavirus disease 2019 (COVID-19) pandemic, caused by SARS-CoV-2, and the ensuing implementation of response measures directly impacted the delivery of Australian primary care services. Understanding how these measures affected practice activity is important for gauging both their effectiveness and implications for future service planning. During the first 2years of the COVID-19 pandemic, a research project was undertaken to determine the impact of the pandemic on Australian general practice activity as a collaborative undertaking between researchers, general practitioners, data custodians, and five primary health networks from New South Wales and Victoria, Australia. The project methodology was based on an established research approach called action research, which involves participatory involvement from key stakeholders throughout the research process. The strength and success of the project's methodological approach stemmed from the synergistic interrelationship between the four key elements of: collaboration, repeated action research cycles (utilising electronic general practice data), engaged governance, and the production and dissemination of apposite knowledge outcomes. The project approach, knowledge outputs and lessons learned can be adapted to future research undertakings across any primary care setting and highlight the utility of action research and interdisciplinary research collaboration to produce knowledge directly relevant to clinical practice.

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INTRODUCTION: Our earlier analysis during the COVID-19 surges in 2020 showed a reduction in general practitioner (GP) in-person visits to residential aged care facilities (RACFs) and increased use of telehealth. This study assessed how sociodemographic characteristics affected telehealth utilisation. METHODS: This retrospective cohort consists of 27,980 RACF residents aged 65 years and over, identified from general practice electronic health records in Victoria and New South Wales during March 2020-August 2021. Residents' demographic characteristics, including age, sex, region, and pension status, were analysed to estimate the odds ratio (OR) and 95% confidence interval (CI) for the associations with telehealth utilisation (telephone/video vs. in-person consultations) and with video versus telephone consultations, in mixed-effects multiple level regression models. RESULTS: Of 32,330 median monthly GP consultations among 21,987 residents identified in 2020, telehealth visits accounted for 17% of GP consultations, of which 93% were telephone consults. In 2021, of 32,229 median monthly GP consultations among 22,712 residents, telehealth visits accounted for 11% of GP consultations (97% by telephone). Pension holders (OR: 1.14; 95% CI: 1.10, 1.17) and those residing in rural areas (OR: 1.72; 95% CI: 1.57, 1.90) were more likely to use telehealth. However, residents in rural areas were less likely to use video than telephone in GP consultations (OR: 0.41; 95% CI: 0.29, 0.57). Results were similar in separate analyses for each COVID surge. DISCUSSION: Telephone was primarily used in telehealth consultations among pension holders and rural residents in RACFs. Along with the limited use of video in virtual care in rural RACFs, the digital divide may imply potential healthcare disparities in socially disadvantaged patients.

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BACKGROUND: The appropriateness of the use of blood transfusion in patients with acute coronary syndromes (ACS) remains contested. In general, studies addressing this issue were based on data from clinical trials, registries, or electronic medical records, and were conducted across different settings. Our study aimed to use a linked patient blood management data system from existing hospital databases to examine the association between blood transfusion and in-hospital mortality, length of stay (LOS) and readmission rates among patients with ACS, and to investigate this relationship at different haemoglobin (Hb) concentrations. MATERIALS AND METHODS: This was a retrospective observational study of patients admitted to participating hospitals between 1st January 2014 to 31st December 2017 with ACS recorded as primary diagnosis. Admission and nadir Hb concentrations were categorised as ≤100 g/L and >100 g/L. Generalised estimating equations were used to investigate the association between transfusion and clinical outcomes, while accounting for the correlation of multiple admissions from the same patients across hospitals over the study period. RESULTS: Of the 9,952 admissions included, blood transfusions occurred in 705 (7.1%). In unadjusted analyses, transfusion was associated with an increased risk of in-hospital mortality (OR: 2.97; 95% CI: 2.14-4.13) and an average LOS 3.55 (95% CI: 3.38-3.72) times longer. After adjusting for demographic and clinical factors, transfusion was associated with an increased risk of in-hospital mortality when Hb >100 g/L. Transfusion was not associated with the risk of readmission. DISCUSSION: The effect of transfusion on in-hospital mortality was largely dependent on the pre-transfusion Hb concentration. When Hb was >100 g/L transfusion was associated with increased mortality, whereas when Hb ≤100 g/L no association was observed.

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INTRODUCTION: In Australia, general practitioners usually are the first point of contact for patients with non-urgent medical conditions. Appropriate and efficient utilisation of pathology tests by general practitioners forms a key part of diagnosis and monitoring. However overutilisationand underutilisation of pathology tests have been reported across several tests and conditions, despite evidence-based guidelines outlining best practice in pathology testing. There are a limited number of studies evaluating the impact of these guidelines on pathology testing in general practice. The aim of our quantitative observational study is to define how pathology tests are used in general practice and investigate how test ordering practices align with evidence-based pathology guidelines. METHODS AND ANALYSIS: Access to non-identifiable patient data will be obtained through electronic health records from general practices across three primary health networks in Victoria, Australia. Numbers and characteristics of patients, general practices, encounters, pathology tests and problems managed over time will be described. Overall rates of encounters and tests, alongside more detailed investigation between subcategories (encounter year, patient's age, gender, and location and general practice size), will also be undertaken. To evaluate how general practitioner test ordering coincides with evidence-based guidelines, five key candidate indicators will be investigated: full blood counts for patients on clozapine medication; international normalised ratio measurements for patients on warfarin medication; glycated haemoglobin testing for monitoring patients with diabetes; vitamin D testing; and thyroid function testing. ETHICS AND DISSEMINATION: Ethics clearance to collect data from general practice facilities has been obtained by the data provider from the RACGP National Research and Evaluation Ethics Committee (NREEC 17-008). Approval for the research group to use these data has been obtained from Macquarie University (5201700872). This study is funded by the Australian Government Department of Health Quality Use of Pathology Program (Agreement ID: 4-2QFVW4M). Findings will be reported to the Department of Health and disseminated in peer-reviewed academic journals and presentations (national and international conferences, industry forums).

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