Publications by authors named "Dyer S"

Background: Falls in hospitals continue to burden patients, staff, and health systems. Prevention approaches are varied, as well as their success at preventing falls. Intervention component analysis (ICA) is useful in indicating important features associated with successful interventions in sets of trial with high heterogeneity.

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Ensembl (www.ensembl.org) is an open platform integrating publicly available genomics data across the tree of life with a focus on eukaryotic species related to human health, agriculture and biodiversity.

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Introduction: Recent literature suggests pain management and sedation in ED patients after rapid sequence intubation are done inconsistently, which impacts patient outcomes negatively. The purpose of this study is to compare rates and timing of post-intubation analgesia and sedation before and after an ED pharmacy practice improvement intervention.

Methods: We conducted a retrospective study of adult ED patients intubated over an 18-month period.

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Article Synopsis
  • The study aimed to investigate the relationship between self-reported indicators of low energy availability (LEA-I) and race performance as well as medical incidents during the Boston Marathon.
  • A survey of 1,030 runners revealed a higher prevalence of LEA-I in females (42.5%) compared to males (17.6%), with athletes experiencing LEA-I performing worse in terms of race times and placement.
  • The findings indicated that runners with LEA-I had significantly increased risks of medical encounters during the race, underscoring the negative impacts of low energy availability on marathon performance and health.
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Research Question: What were the utilization, effectiveness and safety of assisted reproductive technology (ART) in Africa during 2020?

Design: Cross-sectional, cycle-based and retrospective summary data were collected from voluntarily participating ART centres.

Results: During 2020, 37,063 ART procedures were reported by 67 centres in 15 countries. Autologous fresh transfers were predominant at 65.

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Background: Exercise interventions are highly effective at preventing falls in older people living in the community. In residential aged care facilities (RACFs), however, the evidence for effectiveness is highly variable, warranting exploration of drivers of successful trials. This study aims to identify the conditions of randomised controlled trials (RCTs) that are associated with reducing falls in RACFs and test whether it can explain the variability.

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  • The paper evaluates the transformation of an inaccessible outdoor space into a therapeutic garden on a psychogeriatric unit, highlighting its potential benefits for patients with dementia.
  • A mixed methods approach was used, revealing that while falls and challenging behaviors decreased initially after the garden's opening, concerns over patient safety and limited staff time hindered its regular use.
  • Families and staff expressed positive views about the garden, pointing out themes such as outdoor engagement and stimulation, but more research is needed to address usage barriers.
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Objective: People living with HIV (PLWH) experience high rates of childhood trauma exposure, which is a significant risk factor for the development of posttraumatic stress disorder (PTSD). Because Black Americans living in urban environments are exposed to high levels of trauma, suffer from chronic PTSD, and are at increased risk for HIV infection, it is important to understand how HIV status interacts with childhood maltreatment to influence PTSD symptom severity and underlying psychophysiology.

Methods: The current cross-sectional study assessed whether HIV status interacts with childhood maltreatment to influence PTSD symptom severity and heart rate variability during a dark-enhanced startle (DES) task in 88 Black women with (n=30) and without HIV (n=58).

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  • The study reviewed data from over 3,000 assisted reproductive technology clinics in 74 countries in 2015 and 79 countries in 2016 to assess the usage, effectiveness, and safety of these technologies.
  • In 2015, there were approximately 2.36 million cycles leading to around 548,652 infants, while in 2016, there were about 2.8 million cycles resulting in approximately 647,188 infants born.
  • Key findings included a small increase in the age of women undergoing treatment, an increase in frozen-thawed embryo transfers, and a slight uptick in the delivery rates from these cycles, alongside a decrease in twin and triplet delivery rates.
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Background: An inflammatory milieu after left ventricular assist device (LVAD) implantation is associated with multi-organ dysfunction and pre-operative heightened inflammatory state is associated with right ventricular failure after LVAD implantation.

Methods: We performed a retrospective analysis of 30 LVAD patients in our institution within the last 2 years for the development of fever and compared them to 30 non-LVAD open-heart surgery patients.

Results: Our results suggest that patients undergoing LVAD implantation are more likely to develop fever in the immediate post-operative period compared to other open-heart surgeries.

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Background: People who experience a nonfatal opioid overdose and receive naloxone are at high risk of subsequent overdose death but experience gaps in access to medications for opioid use disorder. The immediate post-naloxone period offers an opportunity for buprenorphine initiation. Limited data indicate that buprenorphine administration by emergency medical services (EMS) after naloxone overdose reversal is safe and feasible.

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Background: Infertility is a marginalized sexual and reproductive health issue in low-resource settings. Globally, millions are affected by infertility, but the lack of a universal definition makes it difficult to estimate the prevalence of infertility at the population level. Estimating the prevalence of infertility may inform targeted and accessible intervention, especially for a resource-limited country like Ethiopia.

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The psychological, social, and financial disabilities caused by infertility are significant for women, particularly those living in low- and middle-income countries such as Ethiopia. Although rehabilitation can be an important form of support for such women, infertility is frequently overlooked as a disability or potential target of rehabilitation interventions. This study aimed to determine what rehabilitation-related services and supports are available for women experiencing infertility in Ethiopia.

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Objective: The effect of fall prevention exercise programmes in residential aged care (RAC) is uncertain. This paper reports on an intervention component analysis (ICA) of randomised controlled trials (RCTs), from an update of a Cochrane review, to develop a theory of features of successful fall prevention exercise in RAC.

Methods: Trial characteristics were extracted from RCTs testing exercise interventions in RAC identified from an update of a Cochrane review to December 2022 (n=32).

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WormBase has been the major repository and knowledgebase of information about the genome and genetics of Caenorhabditis elegans and other nematodes of experimental interest for over 2 decades. We have 3 goals: to keep current with the fast-paced C. elegans research, to provide better integration with other resources, and to be sustainable.

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Chronic stress exposure during development can have lasting behavioral consequences that differ in males and females. More specifically, increased depressive behaviors in females, but not males, are observed in both humans and rodent models of chronic stress. Despite these known stress-induced outcomes, the molecular consequences of chronic adolescent stress in the adult brain are less clear.

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  • Family-planning policies traditionally focused on contraceptives to control population growth, but many countries now experience fertility rates below replacement level, leading to predicted population declines by 2100.
  • In response to these declining population trends, countries are exploring child-friendly policies, including financial incentives and limited funding for fertility treatments, to encourage family growth.
  • The IFFS consensus document highlights disparities in access to fertility care and emphasizes the need for a broader understanding of family building, encompassing various methods like natural conception, ART, surrogacy, and adoption.
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T-ALL relapse usually occurs early but can occur much later, which has been suggested to represent a de novo leukemia. However, we conclusively demonstrate late relapse can evolve from a pre-leukemic subclone harbouring a non-coding mutation that evades initial chemotherapy.

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Early life adversity and chronic inflammation have both been associated with cognitive impairment and neural compromise. In this study, we investigated the interactions between a history of chronic adolescent stress (CAS) and repeated endotoxin exposure on behavior, synaptic mitochondria, and microglia in adult male and female Wistar rats. Adult rats from chronic stress and control conditions were exposed to either repeated endotoxin (lipopolysaccharide; LPS) or saline injections every 3 days for 9 weeks.

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  • Exercise reduces the number of falls among older people in residential aged care during the intervention period, with a rate ratio suggesting a significant decrease in falls.
  • After the exercise program ends, the long-term effects on fall rates are minimal, showing no significant benefits at follow-up.
  • Despite the short-term effectiveness, exercise remains a recommended strategy for fall prevention in aged care settings for those who can actively participate.
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