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136 result(s) for "McKenzie, Fiona"
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Inequities in breast cancer treatment in sub-Saharan Africa: findings from a prospective multi-country observational study
Background Improving breast cancer survival in sub-Saharan Africa (SSA) is urgently needed, requiring early diagnosis and improved access to treatment. However, data on the types of and barriers to receiving breast cancer therapy in this region are limited and have not been compared between different SSA countries and treatment settings. Methods In different health care settings across Uganda, Nigeria and Namibian sites of the prospective African Breast Cancer - Disparities in Outcomes cohort study, we assessed the percentage of newly diagnosed breast cancer patients who received treatment (systemic, surgery and/or radiotherapy) for cancer and their socio-demographic and clinical determinants. Treatment data were systematically extracted from medical records, as well as self-reported by women during 6-month follow-up interviews, and were used to generate a binary indicator of treatment received within 12 months of diagnosis (yes/no), which was analysed via logistic regression. Results Of 1325 women, cancer treatment had not been initiated treatment within 1 year of diagnosis for 227 (17%) women and 185 (14%) of women with stage I–III disease. Untreated percentages were highest in two Nigerian regional hospitals where 38% of 314 women were not treated (32% among stage I–III). At a national referral hospital in Uganda, 18% of 430 women were not treated (15% among stage I–III). In contrast, at a cancer care centre in Windhoek, Namibia, where treatment is provided free to the patient, all non-black (100%) and almost all (98.7%) black women had initiated treatment. Percentages of untreated women were higher in women from lower socio-economic groups, women who believed in traditional medicine and, in Uganda, in HIV+ women. Self-reported treatment barriers confirmed treatment costs and treatment refusal as contributors to not receiving treatment. Conclusions Financial support to ensure treatment access and education of treatment benefits are needed to improve treatment access for breast cancer patients across sub-Saharan Africa, especially at regional treatment centres, for lower socio-economic groups, and for the HIV-positive woman with breast cancer.
Political Centralization, Federalism, and Urbanization: Evidence from Australia
The dominance of capital cities (urban primacy) is an enduring characteristic of Australian states. There has been limited empirical research examining the drivers of primacy in states despite some being extreme examples of the phenomenon, both in magnitude and scale. In light of institutional theories of settlement patterns, we developed a profile of Australian urbanization using a century of time-series data, descriptive statistics, and an empirical model of city populations. In Australian states high measures of primacy have endured with little evidence of disruption despite the enormous size of these states, their wealth, and population growth – factors associated with declining and low primacy. Statistically, state capital city status has a significant effect on city population size variation, with results suggesting primacy in states is in part a product of Australian federalism. This contrasts with views that suggest Australia’s scarcity of large non-capital cities is due to isolation, low population, and environmental determinism. The findings in this paper have major implications relative to national and/or state strategies that aim to decentralize population away from the primate cities.
An expanded role for the mining sector in Australian society?
Questions over the role of mining in the Australian economy and society have gained increasing public scrutiny in recent years. In this paper we consider whether the role of mining in Australian society has changed with the recent mining boom. The paper draws attention to four key areas. The first is the economics of mining, where a rise in commodity values has made mining more profitable. Mining now dominates Australian exports more than in previous booms. The second area is the scale of mining operations, which have grown substantially, reflecting unprecedented investment. The third area is the degree to which the effects of resource extraction extend to surrounding areas and distant urban centres through long distance commuting. Finally, we consider the centrality of the mining sector in public life: attention to mining in the media and encroachment on other land uses, and we look for evidence of changes in public acceptance of the sector. In conclusion we argue that the role of the mining sector in Australian society and economy has indeed changed. The changes in terms of trade and the scale of mining have made the resource sector so important in Australia that increased impact in public life is unavoidable.
Age and Ethnic Differences in Volumetric Breast Density in New Zealand Women: A Cross-Sectional Study
Looks at how breast cancer incidence differs by ethnicity in New Zealand (NZ) with Māori (the indigenous people) women having the highest rates followed by Pakeha (people primarily of British/European descent), Pacific and Asian women, who experience the lowest rates. Notes how breast density, an important risk factor for breast cancer, has not previously been studied. Measures breast density volume from the medio-lateral oblique view of digital mammograms, by age (<50 years and >50 years) and ethnicity (Pakeha / Māori / Pacific / Asian) using routine data from the national screening programme: age; x-ray system and mammography details for 3,091 Pakeha, 716 Māori, 170 Pacific and 662 Asian women. Source: National Library of New Zealand Te Puna Matauranga o Aotearoa, licensed by the Department of Internal Affairs for re-use under the Creative Commons Attribution 3.0 New Zealand Licence.
Cohort profile: Ngā Kawekawe o Mate Korona | Impacts of COVID-19 in Aotearoa – a prospective, national cohort study of people with COVID-19 in New Zealand
PurposeThe COVID-19 pandemic has had significant health, social and economic impacts around the world. We established a national, population-based longitudinal cohort to investigate the immediate and longer-term physical, psychological and economic impacts of COVID-19 on affected people in Aotearoa New Zealand (Aotearoa), with the resulting evidence to assist in designing appropriate health and well-being services for people with COVID-19.ParticipantsAll people residing in Aotearoa aged 16 years or over, who had a confirmed or probable diagnosis of COVID-19 prior to December 2021, were invited to participate. Those living in dementia units were excluded. Participation involved taking part in one or more of four online surveys and/or in-depth interviews. The first wave of data collection took place from February to June 2022.Findings to dateBy 30 November 2021, of 8735 people in Aotearoa aged 16+ who had COVID-19, 8712 were eligible for the study and 8012 had valid addresses so were able to be contacted to take part. A total of 990 people, including 161 Tāngata Whenua (Māori, Indigenous peoples of Aotearoa) completed one or more surveys; in addition, 62 took part in in-depth interviews. Two hundred and seventeen people (20%) reported symptoms consistent with long COVID. Key areas of adverse impacts were experiences of stigma, mental distress, poor experiences of health services and barriers to healthcare, each being significantly more pronounced among disabled people and/or those with long COVID.Future plansFurther data collection is planned to follow-up cohort participants. This cohort will be supplemented by the inclusion of a cohort of people with long COVID following Omicron infection. Future follow-ups will assess longitudinal changes to health and well-being impacts, including mental health, social, workplace/education and economic impacts of COVID-19.
The rare and undiagnosed diseases diagnostic service – application of massively parallel sequencing in a state-wide clinical service
Background The Rare and Undiagnosed Diseases Diagnostic Service (RUDDS) refers to a genomic diagnostic platform operating within the Western Australian Government clinical services delivered through Genetic Services of Western Australia (GSWA). GSWA has provided a state-wide service for clinical genetic care for 28 years and it serves a population of 2.5 million people across a geographical area of 2.5milion Km 2 . Within this context, GSWA has established a clinically integrated genomic diagnostic platform in partnership with other public health system managers and service providers, including but not limited to the Office of Population Health Genomics, Diagnostic Genomics (PathWest Laboratories) and with executive level support from the Department of Health. Herein we describe report presents the components of this service that are most relevant to the heterogeneity of paediatric clinical genetic care. Results Briefly the platform : i) offers multiple options including non-genetic testing; monogenic and genomic (targeted in silico filtered and whole exome) analysis; and matchmaking; ii) is delivered in a patient-centric manner that is resonant with the patient journey, it has multiple points for entry, exit and re-entry to allow people access to information they can use, when they want to receive it; iii) is synchronous with precision phenotyping methods; iv) captures new knowledge, including multiple expert review; v) is integrated with current translational genomic research activities and best practice; and vi) is designed for flexibility for interactive generation of, and integration with, clinical research for diagnostics, community engagement, policy and models of care. Conclusion The RUDDS has been established as part of routine clinical genetic services and is thus sustainable, equitably managed and seeks to translate new knowledge into efficient diagnostics and improved health for the whole community.
Consensus Guidelines for the Use of Vosoritide in Children with Achondroplasia in Australia
Background: Achondroplasia, the most prevalent skeletal dysplasia, stems from a functional mutation in the fibroblast growth factor receptor 3 gene, leading to growth impairment. This condition presents multifaceted medical, functional and psychosocial challenges throughout childhood, adolescence and adulthood. Current management strategies aim to minimise medical complications, optimise functional capabilities and provide comprehensive supportive care. Vosoritide (trade name: VOXZOGO®, BioMarin Pharmaceuticals) is the first disease-modifying pharmaceutical treatment approved for the management of patients with achondroplasia and became available in Australia in May 2023. Methods: Standardised clinical guidelines for its optimal use are not yet widely available. To address this gap, a multidisciplinary Australian Vosoritide Working Group, comprising 12 experts with experience in achondroplasia management from across Australia, developed recommendations to guide the use of vosoritide in clinical practice. Results: The recommendations, which are expert opinions of the Australian Vosoritide Working Group, aim to (i) standardise the use of vosoritide across Australia, (ii) support the safe clinical rollout of vosoritide and (iii) support universal access. Conclusions: These recommendations have been developed for healthcare professionals and institutions that are engaged in using vosoritide in the management of achondroplasia and will be revised using a formal framework for clinical guideline development once more evidence is available.
Cigarette Smoking and Risk of Breast Cancer in a New Zealand Multi-Ethnic Case-Control Study
The association between breast cancer and tobacco smoke is currently unclear. The aim of this study was to assess the effect of smoking behaviours on the risk of breast cancer among three ethnic groups of New Zealand women. A population-based case-control study was conducted including breast cancer cases registered on the New Zealand Cancer Registry between 2005 and 2007. Controls were matched by ethnicity and 5-year age-group. Logistic regression was used to estimate the association between breast cancer and smoking at different time points across the lifecourse, for each ethnic group. Estimated odds ratios (OR) were adjusted for established risk factors. The study comprised 1,799 cases (302 Māori, 70 Pacific, 1,427 non-Māori/non-Pacific) and 2,540 controls (746 Māori, 191 Pacific, 1,603 non-Māori/non-Pacific). There was no clear association between smoking and breast cancer for non-Māori/non-Pacific women, although non-Māori/non-Pacific ex-smokers had statistically significant increased risk of breast cancer when smoking duration was 20 years or more, and this remained significant in the fully adjusted model (OR 1.31, 95% CI 1.03 to 1.66). Māori showed more consistent increased risk of breast cancer with increasing duration among current smokers (<20 years OR 1.61, 95% CI 0.55 to 4.74; 20+ years OR 2.03, 95% CI 1.29 to 3.22). There was a clear pattern of shorter duration since smoking cessation being associated with increased likelihood of breast cancer, and this was apparent for all ethnic groups. There was no clear pattern for cigarette smoking and breast cancer incidence in non-Māori/non-Pacific women, but increased risks were observed for Māori and Pacific women. These findings suggest that lowering the prevalence of smoking, especially among Māori and Pacific women, could be important for reducing breast cancer incidence.
Towards research impact: using place-based policy to develop new research methods for bridging the academic/policy divide
There is increasing pressure on academics to show the impact of their research. At the same time, policy-makers are expected to draw upon a wide base of evidence, including academic research, to develop innovative solutions to often intractable societal problems. Despite these complementary objectives of impact and use of evidence, the relationship between academics and policy-makers is often difficult. Some have characterized these groups as 'two worlds', each with differing objectives, methods and timeframes. This paper explores the issues associated with this problem and outlines a new approach to research which seeks to engage both government agencies and academics. It makes use of a publishing initiative of the Regional Studies Association (RSA) to produce research that is of value to both government officials and academic researchers. This method aimed to develop a shared understanding with the potential to benefit both groups. While the focus of the research was on place-based regional policy, comparable methods could be applied to many other questions of interest to both governments and researchers working in regional studies and other social science fields.
Cancer disparities in indigenous Polynesian populations: Māori, Native Hawaiians, and Pacific people
Polynesia consists of several islands that are scattered across a vast triangle in the Pacific, and include New Zealand, Hawaii, and the Pacific islands. There are reported differences in the types of cancer and epidemiologies seen among communities in these islands, the reasons for which are diverse and complex. In this Review, we describe patterns of cancer incidence, mortality, and survival in indigenous populations compared with populations of European origin in Polynesia, and highlight the limited available data for Pacific populations. Additionally, we document the current knowledge of the underlying biology of cancers in these populations, and report risk factors that differ between ethnicities, including smoking, viral infections, and obesity. Disparities in measures of health are highlighted, as are evident differences in knowledge of tumour biology and cancer management between majority and minority populations.