Cervical cancer is a preventable disease resulting from infection with high-risk types of sexually transmitted human papillomaviruses (HPVs). Public knowledge of HPVs and their link to cervical cancer is limited. Participation in cervical cancer prevention programs, including Pap and HPV screening and HPV vaccine acceptance, is crucial for limiting the incidence of cervical cancer. Hispanic women suffer the highest cervical cancer incidence rates in the United States. In this study, we conducted community-based focus groups with Hispanic women to explore knowledge and attitudes relating to cervical cancer, HPV, HPV testing, and HPV vaccination. Study findings suggest a need to increase public health literacy in relation to HPV, the link between HPV and cervical cancer, and HPV primary and secondary prevention options. Health care providers should be prepared to share information with patients that supports and promotes informed decision making about HPV testing and vaccines and their complementary roles in cervical cancer screening and prevention.
Intra-articular sodium hyaluronic acid (HA) has been used as a treatment intervention in the management of osteoarthritis. It has been observed that HA can coat the articular surface, and thus, has been suggested to provide a possible prophylactic barrier for the articular cartilage. In an accompanying manuscript (Homandberg et al.), we report that a commercially available high-molecular-weight HA (approximately 800-kDa, ARTZ, Seikagaku Corp.) can partially block fibronectin fragment (Fn-f)-mediated cartilage injury in vitro. Herein we report a study of the effects of intra-articular HA on an in vivo animal model of Fn-f-mediated cartilage injury. Rabbit knees were injected with Fn-f, and after 1 week, the cartilage proteoglycan (PG) content had decreased to 59 +/- 8% of control. In sharp contrast, PG content in knees receiving pre-treatment with HA followed by Fn-f injection had only decreased to 85 +/- 27% of control (P < 0.01). Similarly, the PG content in knees receiving an injection of Fn-f, followed by an injection of HA were significantly higher (74 +/- 18% of control) than Fn-f injured knees with no treatment (P < 0.02). Intra-articular HA alone had no effect on cartilage PG content. The results in this study suggest that HA is effective in partially preventing Fn-f mediated cartilage injury, most likely by coating the articular surface. Further, HA treatment after Fn-f injury may facilitate restoration of matrix components.
Health promotion programs are commonly viewed as value-free initiatives which seek to improve health, often through behavior change. An opposing view has begun to emerge that health promotion efforts, especially ones seeking to impact health policy and social determinants of health, are vulnerable to political contexts and may depend on who is in power at the time. This community-based participatory research study attempts to understand these interactions by applying a conceptual model focused on the power context, diverse stakeholder roles within this context, and the relationship of political levers and other change strategies to the sustainability of health promotion interventions aimed at health policy change. We present a case study of a health promotion coalition, New Mexico for Responsible Sex Education (NMRSE), as an example of power dynamics and change processes. Formed in 2005 in response to federal policies mandating abstinence-only education, NMRSE includes community activists, health promotion staff from the New Mexico Department of Health, and policy-maker allies. Applying an adapted Mayer's 'power analysis' instrument, we conducted semi-structured stakeholder interviews and triangulated political-context analyses from the perspective of the stakeholders.We identified multiple understandings of sustainability and health promotion policy change, including: the importance of diverse stakeholders working together in coalition and social networks; their distinct positions of power within their political contexts; the role of science versus advocacy in change processes; the particular challenges for public sector health promotion professionals; and other facilitators versus barriers to action. One problem that emerged consisted of the challenges for state employees to engage in health promotion advocacy due to limitations imposed on their activities by state and federal policies. This investigation's results include a refined conceptual model, a power-analysis instrument, and new understandings of the intersection of power and stakeholder strategies in the sustainability of health promotion and health in all policies.
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