8 results on '"A. Darlene Davis"'
Search Results
2. Trichomonas vaginalis Antimicrobial Drug Resistance in 6 US Cities, STD Surveillance Network, 2009–2010
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Robert D. Kirkcaldy, Peter Augostini, Lenore E. Asbel, Kyle T. Bernstein, Roxanne P. Kerani, Christie J. Mettenbrink, Preeti Pathela, Jane R. Schwebke, W. Evan Secor, Kimberly A. Workowski, Darlene Davis, Jim Braxton, and Hillard S. Weinstock
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Trichomonas vaginalis ,drug resistance ,metronidazole resistance, tinidazole resistance, antimicrobial drug resistance, sexually transmitted diseases, protozoa ,metronidazole resistance ,tinidazole resistance ,antimicrobial drug resistance ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Abstract
Nitroimidazoles (metronidazole and tinidazole) are the only recommended drugs for treating Trichomonas vaginalis infection, and previous samples that assessed resistance of such isolates have been limited in geographic scope. We assessed the prevalence of in vitro aerobic metronidazole and tinidazole resistance among T. vaginalis isolates from multiple geographic sites in the United States. Swab specimens were obtained from women who underwent routine pelvic examinations at sexually transmitted disease clinics in 6 US cities. Cultured T. vaginalis isolates were tested for nitroimidazole resistance (aerobic minimum lethal concentration [MLC] >50 µg/mL). Of 538 T. vaginalis isolates, 23 (4.3%) exhibited low-level in vitro metronidazole resistance (minimum lethal concentrations 50–100 µg/mL). No isolates exhibited moderate- to high-level metronidazole resistance or tinidazole resistance. Results highlight the possibility that reliance on a single class of antimicrobial drugs for treating T. vaginalis infections may heighten vulnerability to emergence of resistance. Thus, novel treatment options are needed.
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- 2012
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3. Elder women's perceptions around optimal perinatal health: a constructivist grounded-theory study with an Indigenous community in southern Ontario.
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Kandasamy, Sujane, Vanstone, Meredith, Oremus, Mark, Hill, Trista, Wahi, Gita, Wilson, Julie, Darlene Davis, A., Jacobs, Ruby, Anglin, Rebecca, and Savitri Anand, Sonia
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MATERNAL health services ,PRENATAL care ,INDIGENOUS women ,HEALTH - Abstract
Background: Women play important roles in translating health knowledge, particularly around pregnancy and birth, in Indigenous societies. We investigated elder Indigenous women's perceptions around optimal perinatal health. Methods: Using a methodological framework that integrated a constructivist grounded-theory approach with an Indigenous epistemology, we conducted and analyzed in-depth interviews and focus groups with women from the Six Nations community in southern Ontario who self-identified as grandmothers. Our purposive sampling strategy was guided by a Six Nations advisory group and included researcher participation in a variety of local gatherings as well as personalized invitations to specific women, either face-toface or via telephone. Results: Three focus groups and 7 individual interviews were conducted with 18 grandmothers. The participants' experiences converged on 3 primary beliefs: pregnancy is a natural phase, pregnancy is a sacred period for the woman and the unborn child, and the requirements of immunity, security (trust), comfort, social development and parental responsibility are necessary for optimal postnatal health. Participants also identified 6 communal responsibilities necessary for families to raise healthy children: access to healthy and safe food, assurance of strong social support networks for mothers, access to resources for postnatal support, increased opportunities for children to participate in physical activity, more teachings around the impact of maternal behaviours during pregnancy and more teachings around spirituality/positive thinking. We also worked with the Six Nations community on several integrated knowledge- translation elements, including collaboration with an Indigenous artist to develop a digital story (short film). Interpretation: Elder women are a trusted and knowledgeable group who are able to understand and incorporate multiple sources of knowledge and deliver it in culturally meaningful ways. Thus, tailoring public health programming to include elder women's voices may improve the impact and uptake of perinatal health information for Indigenous women. [ABSTRACT FROM AUTHOR]
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- 2017
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4. Preferences Elicited and Respected for Seriously Ill Veterans through Enhanced Decision-Making (PERSIVED): a protocol for an implementation study in the Veterans Health Administration
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Mary Ersek, Anne Sales, Shimrit Keddem, Roman Ayele, Leah M. Haverhals, Kate H. Magid, Jennifer Kononowech, Andrew Murray, Joan G. Carpenter, Mary Beth Foglia, Lucinda Potter, Jennifer McKenzie, Darlene Davis, and Cari Levy
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Life-sustaining treatment ,Patient preferences ,Patient decision-making ,Long-term care ,End-of-life care ,Goals of care conversations ,Medicine (General) ,R5-920 - Abstract
Abstract Background Empirical evidence supports the use of structured goals of care conversations and documentation of life-sustaining treatment (LST) preferences in durable, accessible, and actionable orders to improve the care for people living with serious illness. As the largest integrated healthcare system in the USA, the Veterans Health Administration (VA) provides an excellent environment to test implementation strategies that promote this evidence-based practice. The Preferences Elicited and Respected for Seriously Ill Veterans through Enhanced Decision-Making (PERSIVED) program seeks to improve care outcomes for seriously ill Veterans by supporting efforts to conduct goals of care conversations, systematically document LST preferences, and ensure timely and accurate communication about preferences across VA and non-VA settings. Methods PERSIVED encompasses two separate but related implementation projects that support the same evidence-based practice. Project 1 will enroll 12 VA Home Based Primary Care (HBPC) programs and Project 2 will enroll six VA Community Nursing Home (CNH) programs. Both projects begin with a pre-implementation phase during which data from diverse stakeholders are gathered to identify barriers and facilitators to adoption of the LST evidence-based practice. This baseline assessment is used to tailor quality improvement activities using audit with feedback and implementation facilitation during the implementation phase. Site champions serve as the lynchpin between the PERSIVED project team and site personnel. PERSIVED teams support site champions through monthly coaching sessions. At the end of implementation, baseline site process maps are updated to reflect new steps and procedures to ensure timely conversations and documentation of treatment preferences. During the sustainability phase, intense engagement with champions ends, at which point champions work independently to maintain and improve processes and outcomes. Ongoing process evaluation, guided by the RE-AIM framework, is used to monitor Reach, Adoption, Implementation, and Maintenance outcomes. Effectiveness will be assessed using several endorsed clinical metrics for seriously ill populations. Discussion The PERSIVED program aims to prevent potentially burdensome LSTs by consistently eliciting and documenting values, goals, and treatment preferences of seriously ill Veterans. Working with clinical operational partners, we will apply our findings to HBPC and CNH programs throughout the national VA healthcare system during a future scale-out period.
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- 2022
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5. Correction: Preferences Elicited and Respected for Seriously Ill Veterans through Enhanced Decision-Making (PERSIVED): a protocol for an implementation study in the Veterans Health Administration
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Mary Ersek, Anne Sales, Shimrit Keddem, Roman Ayele, Leah M. Haverhals, Kate H. Magid, Jennifer Kononowech, Andrew Murray, Joan G. Carpenter, Mary Beth Foglia, Lucinda Potter, Jennifer McKenzie, Darlene Davis, and Cari Levy
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Medicine (General) ,R5-920 - Published
- 2023
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6. Explaining the variability in cardiovascular risk factors among First Nations communities in Canada: a population-based study
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Sonia S Anand, ProfMD, Sylvia Abonyi, PhD, Laura Arbour, ProfMD, Kumar Balasubramanian, MSc, Jeffrey Brook, PhD, Heather Castleden, PhD, Vicky Chrisjohn, Ida Cornelius, RN, Albertha Darlene Davis, RN, Dipika Desai, MSc, Russell J de Souza, ScD, Matthias G Friedrich, ProfMD, Stewart Harris, ProfMD, James Irvine, MD, Jean L'Hommecourt, Randy Littlechild, Lisa Mayotte, RN, Sarah McIntosh, MSc, Julie Morrison, Med, Richard T Oster, PhD, Manon Picard, BSc, Paul Poirier, ProfMD, Karleen M Schulze, MMath, and Ellen L Toth, ProfMD
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Environmental sciences ,GE1-350 - Abstract
Summary: Background: Historical, colonial, and racist policies continue to influence the health of Indigenous people, and they continue to have higher rates of chronic diseases and reduced life expectancy compared with non-Indigenous people. We determined factors accounting for variations in cardiovascular risk factors among First Nations communities in Canada. Methods: Men and women (n=1302) aged 18 years or older from eight First Nations communities participated in a population-based study. Questionnaires, physical measures, blood samples, MRI of preclinical vascular disease, and community audits were collected. In this cross-sectional analysis, the main outcome was the INTERHEART risk score, a measure of cardiovascular risk factor burden. A multivariable model was developed to explain the variations in INTERHEART risk score among communities. The secondary outcome was MRI-detected carotid wall volume, a measure of subclinical atherosclerosis. Findings: The mean INTERHEART risk score of all communities was 17·2 (SE 0·2), and more than 85% of individuals had a risk score in the moderate to high risk range. Subclinical atherosclerosis increased significantly across risk score categories (p
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- 2019
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7. Gender and affect: linguistic predictors of successful academic performance among economically disadvantaged first year college students
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Richard Lewine, Ashlee Warnecke, Darlene Davis, Alison Sommers, Kayla Manley, and Ben Calebs
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poverty ,gender ,academic performance ,linguistic predictors ,Theory and practice of education ,LB5-3640 - Abstract
Individuals entering college from disadvantaged economic backgrounds often face multiple obstacles to successful academic performance. Nonetheless, many such students are successful. In this study, we explore the personal characteristics of students from poverty who do well academically in comparison to their economic peers who were less successful academically. Pre-admission, written applications were analyzed using the computerized linguistic analysis tool, LIWC, to predict first semester GPA in a group of 48 students, all of whom came from economic backgrounds that were 150% or more below Federal guidelines. Significant poverty level and sex differences were found. Men’s GPA was highly correlated with Total Word Count, while women’s GPA was significantly correlated with Reward and Tentativeness. Most striking was the strong positive correlation between GPA and Positive Affect among women from the lowest economic group. The findings suggest further research to clarify and confirm the role of cognitive styles and affect in academic performance as moderated by both sex and degree of poverty, even among those traditionally viewed as belonging to a homogenous economic group.
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- 2019
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8. Causal relationship between adiponectin and metabolic traits: a Mendelian randomization study in a multiethnic population.
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Andrew Mente, David Meyre, Matthew B Lanktree, Mahyar Heydarpour, A Darlene Davis, Ruby Miller, Hertzel Gerstein, Robert A Hegele, Salim Yusuf, Sonia S Anand, SHARE Investigators, and SHARE-AP Investigators
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Medicine ,Science - Abstract
Adiponectin, a secretagogue exclusively produced by adipocytes, has been associated with metabolic features, but its role in the development of the metabolic syndrome remains unclear.We investigated the association between serum adiponectin level and metabolic traits, using both observational and genetic epidemiologic approaches in a multiethnic population assembled in Canada.Clinical data and serum adiponectin level were collected in 1,157 participants of the SHARE/SHARE-AP studies. Participants were genotyped for the functional rs266729 and rs1260326 SNPs in ADIPOQ and GCKR genes.Adiponectin level was positively associated with HDL cholesterol and negatively associated with body mass index, waist-to-hip ratio, triglycerides, fasting glucose, fasting insulin, systolic and diastolic pressure (all P
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- 2013
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