1,353 research outputs found
Adipose Tissue as a Site of Toxin Accumulation
We examine the role of adipose tissue, typically considered an energy storage site, as a potential site of toxicant accumulation. Although the production of most persistent organic pollutants (POPs) was banned years ago, these toxicants persist in the environment due to their resistance to biodegradation and widespread distribution in various environmental forms (e.g., vapor, sediment, and water). As a result, human exposure to these toxicants is inevitable. Largely due to their lipophilicity, POPs bioaccumulate in adipose tissue, resulting in greater body burdens of these environmental toxicants with obesity. POPs of major concern include polychlorinated biphenyls (PCBs), polychlorinated dibenzoâpâdioxins and furans (PCDDs/PCDFs), and polybrominated biphenyls and diphenyl ethers (PBBs/PBDEs), among other organic compounds. In this review, we 1) highlight the physical characteristics of toxicants that enable them to partition into and remain stored in adipose tissue, 2) discuss the specific mechanisms of action by which these toxicants act to influence adipocyte function, and 3) review associations between POP exposures and the development of obesity and diabetes. An area of controversy relates to the relative potential beneficial versus hazardous health effects of toxicant sequestration in adipose tissue
Statin use and risk of community acquired pneumonia in older people: population based case-control study
Objective To test the hypothesis that hydroxymethyl glutaryl coenzyme A reductase inhibitors (statins) may decrease the risk of community acquired pneumonia
Impact of an Interdisciplinary Practice Laboratory on Pharmacy and Nursing Studentsâ Perceptions of Health Care Roles
Objectives: To evaluate healthcare students\u27 perceptions of an introductory interprofessional exercise and their team dynamics.
Design: A workshop was developed, combining second-year medical students, fourth-year nursing students, and third-year pharmacy students to work as an interdisciplinary team. The teams alternated between working together on patient cases focusing on chronic obstructive pulmonary disease and asthma, and on the evaluation of standardized pneumonia patients. Teams were given the patients\u27 health information and no other instructions. A faculty member and the standardized patient evaluated the students using a teamwork global rating scale.
Assessment: Student survey results showed a positive response to interprofessional teamwork. The faculty members and standardized patients reported that the students worked as a cohesive unit and demonstrated good team communication.
Conclusions: This introductory interprofessional experience had a positive impact on the studentsâ understanding of collaboration and teamwork. This type of experience will help students foster future collaborations as healthcare providers
Patterns of pneumococcal vaccination and revaccination in elderly and non-elderly adults: a Vaccine Safety Datalink study
<p>Abstract</p> <p>Background</p> <p>Pneumococcal polysaccharide vaccine (PPV) is recommended for all adults 65 years of age and older and for younger adults with high-risk conditions. While data from national surveys provide information on the proportion of adults 65 years of age and older reporting ever receipt of PPV they do not collect more detailed information, such as age at vaccination or the total number of vaccinations received. In addition, there is relatively little information available on PPV coverage in younger adults with chronic conditions. To assess contemporary patterns of pneumococcal vaccination and revaccination of adults, we conducted a cross-sectional study of adults enrolled in medical care organizations (MCOs) participating in the Vaccine Safety Datalink project.</p> <p>Methods</p> <p>The study population included 1.5 million adults 25 years of age and older enrolled in the four participating MCOs on December 1, 2006. PPVs administered to members of the study population prior to that date were identified from computerized immunization registries maintained by the MCOs.</p> <p>Results</p> <p>Among the general population of adults 25 through 64 years of age, vaccine coverage increased from 2% in the 25â29 year old age-group to 26% in the 60â64 year old age-group. In all age-groups, coverage was substantially higher in persons defined as having a chronic high risk condition. This was particularly true for diabetes mellitus, with vaccine coverage of over 50% in the lower age-groups and 75% in those 60â64 years of age. Among adults 65 years of age and older, 82% had received at least one PPV and 18% had received two or more PPVs.</p> <p>Conclusion</p> <p>We found higher levels of PPV coverage among adults 65 years of age and older and among younger adults with diabetes mellitus than reported by national surveys and for those groups PPV coverage approached the <it>Healthy People 2010 </it>national objectives. These results suggest that achieving those objectives for PPV is possible and that high vaccination coverage may be facilitated by vaccine tracking and reminder systems.</p
U.S. StateâSupported Dental Schools: Financial Projections and Implications
This article examines the impact of financial trends in stateâsupported dental schools on fullâtime clinical faculty; the diversity of dental students and their career choices; investments in physical facilities; and the place of dentistry in research universities. The findings of our study are the following: the number of students per fullâtime clinical faculty member increased; the three schools with the lowest revenue increases lost a third of their fullâtime clinical faculty; more students are from wealthier families; most schools are not able to adequately invest in their physical plant; and more than half of schools have substantial NIHâfunded research programs. If current trends continue, the term âcrisisâ will describe the situation faced by most dental schools. Now is the time to build the political consensus needed to develop new and more effective strategies to educate the next generation of American dentists and to keep dental education primarily based in research universities. The future of the dental profession and the oral health of the American people depend on it.Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/153587/1/jddj002203372008722suppltb04487x.pd
Measuring what matters: A proposal for reframing how we evaluate and improve experience in healthcare
The conversation on measuring experience has been a long and thoughtful one. It has reflected a dynamic tension between measures used as a lever for action in some health systems and as a mechanism to determine reimbursable dollars in others. Yet underlying all the conversation, the question of what we measure, to what end we measure and what truly matters to those who experience care remains. Through a series of conversations over the last two years senior experience leaders across healthcare organizations determined it is time to assess the current landscape of patient experience measurement, to acknowledge what the existing system of measurement has inspired in effort and outcomes and to look forward to what could really make a difference in providing actionable insight and sustainable improvement in the future. While there are policy requirements for what organizations measure and report along with financial implications, this need not be the universal means by which patient feedback is captured and issues are addressed. This is paralleled by a global call for a clear, simple, comparable and actionable system of measurement to both understand and improve experience efforts in healthcare. This article reflects those conversations and frames the opportunity we have. It acknowledges all that the current system of measurement has helped us do, offers a new view on what measurement can be and presents a call to action to convene a diverse range of voices to shape experience measurement for the future.
Experience Framework
This article is associated with the Policy & Measurement lens of The Beryl Institute Experience Framework. (https://www.theberylinstitute.org/ExperienceFramework). Access other PXJ articles related to this lens. Access other resources related to this lens
Identification of a rare de novo three-way complex t(5;20;8)(q31;p11.2;p21) with microdeletions on 5q31.2, 5q31.3, and 8p23.2 in a patient with hearing loss and global developmental delay: case report
<p>Abstract</p> <p>Background</p> <p>Complex chromosome rearrangements (CCRs), which involve more than two breakpoints on two or more chromosomes, are uncommon occurrences. Although most CCRs appear balanced at the level of the light microscope, many demonstrate cryptic, submicroscopic imbalances at the translocation breakpoints.</p> <p>Results</p> <p>We report a female with hearing loss and global developmental delay with a complex three-way unbalanced translocation (5;20;8)(q31;p11.2;p21) resulting in microdeletions on 5q31.2, 5q31.3, and 8p23.2 identified by karyotyping, microarray analysis and fluorescence in situ hybridization.</p> <p>Discussion</p> <p>The microdeletion of bands 8p23.2 may be associated with the hearing impairment. Furthermore, the characterization of this patient's chromosomal abnormalities demonstrates the importance of integrated technologies within contemporary cytogenetics laboratories.</p
Discounting of money and sex: Effects of commodity and temporal position in stimulant-dependent men and women
Research on delay discounting has contributed to the understanding of numerous addiction-related phenomena. For example, studies have shown that substance dependent individuals discount their addictive substances (e.g., cocaine) more rapidly than they do other commodities (e.g., money). Recent research has shown that substance dependent individuals discount delayed sex more rapidly than delayed money, and their discounting rates for delayed sex were higher than those of non-addicted individuals. The particular reason that delay discounting rates for sex are higher than those for money, however, are unclear. Do individuals discount delayed sex rapidly because immediate sex is particularly appealing or because delayed sex does not retain its value? Moreover, do the same factors influence men and womenâs choices? The current study examined delay discounting in four conditions (money now versus money later; sex now versus sex later; money now, versus sex later; sex now versus money later) in cocaine dependent men and women. The procedures used isolated the role of the immediate versus delayed commodity. For men, the higher rates of delay discounting for sex were because delayed sex did not retain its value, whereas both the immediate and delayed commodity influenced the female participantsâ decisions
Evaluating the promise and pitfalls of a potential climate changeâtolerant sea urchin fishery in southern California
Marine fishery stakeholders are beginning to consider and implement adaptation strategies in the face of growing consumer demand and potential deleterious climate change impacts such as ocean warming, ocean acidification, and deoxygenation. This study investigates the potential for development of a novel climate change-tolerant sea urchin fishery in southern California based on Strongylocentrotus fragilis (pink sea urchin), a deep-sea species whose peak density was found to coincide with a current trap-based spot prawn fishery (Pandalus platyceros) in the 200â300-m depth range. Here we outline potential criteria for a climate change-tolerant fishery by examining the distribution, life-history attributes, and marketable qualities of S. fragilis in southern California. We provide evidence of seasonality of gonad production and demonstrate that peak gonad production occurs in the winter season. S. fragilis likely spawns in the spring season as evidenced by consistent minimum gonad indices in the spring/summer seasons across 4 years of sampling (2012â2016). The resiliency of S. fragilis to predicted future increases in acidity and decreases in oxygen was supported by high species abundance, albeit reduced relative growth rate estimates at water depths (485â510 m) subject to low oxygen (11.7â16.9 ”mol kgâ1) and pHTotal (<7.44), which may provide assurances to stakeholders and managers regarding the suitability of this species for commercial exploitation. Some food quality properties of the S. fragilis roe (e.g. colour, texture) were comparable with those of the commercially exploited shallow-water red sea urchin (Mesocentrotus franciscanus), while other qualities (e.g. 80% reduced gonad size by weight) limit the potential future marketability of S. fragilis. This case study highlights the potential future challenges and drawbacks of climate-tolerant fishery development in an attempt to inform future urchin fishery stakeholders
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