Publications by authors named "Michael Friesen"
Many chemicals associated with unconventional oil and natural gas (UOG) are known toxicants, leading to health concerns about the effects of UOG. Our objective was to conduct a scoping review of the toxicological literature to assess the effects of UOG chemical exposures in models relevant to human health. We searched databases for primary research studies published in English or French between January 2000 and June 2023 on UOG-related toxicology studies.
View Article and Find Full Text PDFObjective: Unconventional oil and gas development (UOGD, sometimes termed "fracking" or "hydraulic fracturing") is an industrial process to extract methane gas and/or oil deposits. Many chemicals used in UOGD have known adverse human health effects. Canada is a major producer of UOGD-derived gas with wells frequently located in and around rural and Indigenous communities.
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- * Out of 2,929 abstracts reviewed, 418 patients with data on their walking ability were identified, showing that 63.4% had experienced LOA, while cardiac and respiratory issues were common among those who had lost ambulation.
- * The findings revealed that respiratory problems were most prevalent in the LGMDR3-6 subtype and cardiac issues were notably high in the LGMDR9 subtype, helping to enhance understanding of the disease's
Background: Given the functional impairments and complex care routines associated with heart failure (HF), patients often rely on the support of informal caregivers. Although the importance of caregivers' roles is widely recognized, the intensity and time required for care duties may negatively impact caregiver health and well-being, potentially precipitating their own need for care.
Objective: The aim of this study was to synthesize estimates of economic, clinical, burden, and health-related quality-of-life impact among caregivers of those with HF in the United States.
Background: The Canadian healthcare system faces increasing patient volumes and complexity amidst funding constraints. Ambulatory care offers a potential solution to some of these challenges. Despite growing emphasis on the provision of ambulatory care, there has been a relative paucity of ambulatory care training curricula within Canadian internal medicine residency programs.
View Article and Find Full Text PDFFiber-to-fiber coupling through use of a laser-trapped microball lens is examined. A model based on radiation pressure predicts that the ball lens will align axially between the fiber endfaces. Laser manipulation of the ball lens axial position results in a configuration in which the ball lens optically bridges the gap between the fibers.
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