Journal Articles

Permanent URI for this collectionhttps://mro.massey.ac.nz/handle/10179/7915

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    Chinese and Indian views of pain and pain management: A qualitative evidence synthesis to facilitate chronic pain management
    (Wiley Periodicals LLC on behalf of World Institute of Pain, 2023-07-01) Lewis GN; Shaikh N; Wang G; Chaudhary S; Bean DJ; Terry G
    Objective People from minority ethnicities often have a greater impact of chronic pain, are underrepresented at pain services, and may not benefit from treatment to the same extent as dominant cultures. The aim of this study was to review Indian and Chinese cultural views of pain and pain management, as a basis for improving management of chronic pain in migrant populations from these ethnicities. Methods A systematic review of qualitative studies addressing pain beliefs and experiences involving Indian and Chinese participants was conducted. Thematic synthesis was used to identify themes across the studies, and the quality of the articles was appraised. Results Twenty-six articles were included, most of which were appraised as high quality. Five themes were identified: Making meaning of pain described the holistic interpretation of the meaning of pain; Pain is disabling and distressing described the marked physical, psychological, and spiritual impact of pain; Pain should be endured described the cultural expectation to suppress responses to pain and not be a burden; Pain brings strength and spiritual growth described the enrichment and empowerment some people experienced through living with pain, and Management of pain goes beyond a traditional or Western approach described the factors that guided people in their use of healthcare. Discussion The review identified a holistic interpretation and impact of pain in Indian and Chinese populations, with pain management guided by multiple factors that transcended a single cultural framework. Several strength-based management strategies are recommended based on preferences for traditional treatments and respect for Western healthcare.
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    Chinese and Indian interpretations of pain: A qualitative evidence synthesis to facilitate chronic pain management
    (John Wiley and Sons, Inc., 2023-07-09) Lewis GN; Shaikh N; Wang G; Chaudhary S; Bean D; Terry G
    Objective People from minority ethnicities often have a greater impact of chronic pain, are underrepresented at pain services, and may not benefit from treatment to the same extent as dominant cultures. The aim of this study was to review Indian and Chinese cultural views of pain and pain management, as a basis for improving management of chronic pain in migrant populations from these ethnicities. Methods A systematic review of qualitative studies addressing pain beliefs and experiences involving Indian and Chinese participants was conducted. Thematic synthesis was used to identify themes across the studies, and the quality of the articles was appraised. Results Twenty-six articles were included, most of which were appraised as high quality. Five themes were identified: Making meaning of pain described the holistic interpretation of the meaning of pain; Pain is disabling and distressing described the marked physical, psychological, and spiritual impact of pain; Pain should be endured described the cultural expectation to suppress responses to pain and not be a burden; Pain brings strength and spiritual growth described the enrichment and empowerment some people experienced through living with pain, and Management of pain goes beyond a traditional or Western approach described the factors that guided people in their use of healthcare. Discussion The review identified a holistic interpretation and impact of pain in Indian and Chinese populations, with pain management guided by multiple factors that transcended a single cultural framework. Several strength-based management strategies are recommended based on preferences for traditional treatments and respect for Western healthcare.
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    Pain Management in Farm Animals: Focus on Cattle, Sheep and Pigs
    (MDPI (Basel, Switzerland), 2021-05-21) Steagall PV; Bustamante H; Johnson CB; Turner PV; Small A
    Pain causes behavioral, autonomic, and neuroendocrine changes and is a common cause of animal welfare compromise in farm animals. Current societal and ethical concerns demand better agricultural practices and improved welfare for food animals. These guidelines focus on cattle, sheep, and pigs, and present the implications of pain in terms of animal welfare and ethical perspectives, and its challenges and misconceptions. We provide an overview of pain management including assessment and treatment applied to the most common husbandry procedures, and recommendations to improve animal welfare in these species. A cost-benefit analysis of pain mitigation is discussed for food animals as well as the use of pain scoring systems for pain assessment in these species. Several recommendations are provided related to husbandry practices that could mitigate pain and improve farm animal welfare. This includes pain assessment as one of the indicators of animal welfare, the use of artificial intelligence for automated methods and research, and the need for better/appropriate legislation, regulations, and recommendations for pain relief during routine and husbandry procedures.
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    A Comparative Neuro-Histological Assessment of Gluteal Skin Thickness and Cutaneous Nociceptor Distribution in Horses and Humans
    (MDPI (Basel, Switzerland), 2020-11-11) Tong L; Stewart M; Johnson I; Appleyard R; Wilson B; James O; Johnson C; McGreevy P
    The current project aims to build on knowledge of the nociceptive capability of equine skin to detect superficial acute pain, particularly in comparison to human skin. Post-mortem samples of gluteal skin were taken from men (n = 5) and women (n = 5), thoroughbreds and thoroughbred types (mares, n = 11; geldings, n = 9). Only sections that contained epidermis and dermis through to the hypodermis were analysed. Epidermal depth, dermal depth and epidermal nerve counts were conducted by a veterinary pathologist. The results revealed no significant difference between the epidermal nerve counts of humans and horses (t = 0.051, p = 0.960). There were no significant differences between epidermal thickness of humans (26.8 µm) and horses (31.6 µm) for reference (left side) samples (t = 0.117, p = 0.908). The human dermis was significantly thinner than the horse dermis (t = -2.946, p = 0.007). Epidermal samples were thicker on the right than on the left, but only significantly so for horses (t = 2.291, p = 0.023), not for humans (t = 0.694, p = 0.489). The thicker collagenous dermis of horse skin may afford some resilience versus external mechanical trauma, though as this is below the pain-detecting nerve endings, it is not considered protective from external cutaneous pain. The superficial pain-sensitive epidermal layer of horse skin is as richly innervated and is of equivalent thickness as human skin, demonstrating that humans and horses have the equivalent basic anatomic structures to detect cutaneous pain. This finding challenges assumptions about the physical capacity of horses to feel pain particularly in comparison to humans, and presents physical evidence to inform the discussion and debate regarding the ethics of whipping horses.
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    Post-natal development of EEG responses to noxious stimulation in pigs (Sus scrofa) aged 1-15 days
    (Ingenta on behalf of the Universities Federation for Animal Welfare (UFAW), 1/08/2019) Kells NJ; Beausoleil NJ; Sutherland MA; Johnson CB
    This study examined electroencephalographic (EEG) indices of acute nociception in pigs (Sus scrofa) aged 1, 5, 7, 10, 12 and 15 days, post-natal. Ten pigs per age were anaesthetised with halothane in oxygen and maintained at a light plane of anaesthesia. EEG was recorded bilaterally using a five-electrode montage. Following a 10-min baseline period, tails were docked using side-cutter pliers and recording continued for a further 5 min. Changes in the median frequency (F50), 95% spectral edge frequency (F95) and total power (PTOT) of the EEG were used to assess nociception. Tail-docking at one day of age induced no significant changes in the EEG spectrum. A typical nociceptive response, characterised by an increase in F50 and decrease in PTOT, was evident at ten days of age, with five and seven day old pigs exhibiting responses in either F50 or PTOT only. Pooling of data into ≤ 7 days of age and > 7 days of age revealed F50 was higher overall in the older group. Whilst PTOT decreased after docking in both groups, this response was larger and more prolonged in the older group. F95 increased after docking in the older pigs only. Overall, these data provide evidence of an increase in cortical responsiveness to noxious stimulation with increasing post-natal age, suggesting there may be qualitative differences in pain perception between age groups. Further, the data provide some support for current recommendations that tail-docking and other painful husbandry procedures be performed within seven days of birth in order to minimise their impact on animal welfare.
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    Pain Across the Menstrual Cycle: Considerations of Hydration
    (Frontiers Media S.A., 8/10/2020) Tan B; Philipp M; Hill S; Che Muhamed AM; Mündel T
    Chronic pain - pain that persists for more than 3 months - is a global health problem and is associated with tremendous social and economic cost. Yet, current pain treatments are often ineffective, as pain is complex and influenced by numerous factors. Hypohydration was recently shown to increase ratings of pain in men, but studies in this area are limited (n = 3). Moreover, whether hypohydration also affects pain in women has not been examined. In women, changes in the concentrations of reproductive hormones across menstrual phases may affect pain, as well as the regulation of body water. This indicates potential interactions between the menstrual phase and hypohydration on pain, but this hypothesis has yet to be tested. This review examined the literature concerning the effects of the menstrual phase and hypohydration on pain, to explore how these factors may interact to influence pain. Future research investigating the combined effects of hypohydration and menstrual phase on pain is warranted, as the findings could have important implications for the treatment of pain in women, interpretation of previous research and the design of future studies.