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Biomedical subjects

Deborah Ward

Publications and source records attributed to Deborah Ward.

7 recordsLinked to original sources

Hypoxia-inducible myoglobin expression in nonmuscle tissues.

Myoglobin (Myg) is an oxygen-binding hemoprotein that is widely thought to be expressed exclusively in oxidative skeletal and cardiac myocytes, where it plays a key role in coping with chronic hypoxia. We now show in a hypoxia-tolerant fish model, that Myg is also expressed in a range of other tissues, including liver, gill, and brain. Moreover, expression of Myg transcript was substantially enhanced during chronic hypoxia, the fold-change induction being far greater in liver than muscle. By using 2D gel electrophoresis, we have confirmed that liver expresses a protein corresponding to the Myg-1 transcript and that it is significantly up-regulated during hypoxia. We have also discovered a second, unique Myg isoform, distinct from neuroglobin, which is expressed exclusively in the neural tissue but whose transcript expression was unaffected by environmental hypoxia. Both observations of nonmuscle expression and a brain-specific isoform are unprecedented, indicating that Myg may play a much wider role than previously understood and that Myg might function in the protection of tissues from deep hypoxia and ischemia as well as in reoxygenation and reperfusion injury.

Amino Acid Sequence↗

The role of expert searching in the Family Physicians' Inquiries Network (FPIN).

OBJECTIVE: This article describes the contributions of medical librarians, as members of the Family Physicians' Inquiries Network (FPIN), to the creation of a database of clinical questions and answers that allows family physicians to practice evidence-based medicine using high-quality information at the point of care. The medical librarians have contributed their evidence-based search expertise and knowledge of information systems that support the processes and output of the consortium. METHODS: Since its inception, librarians have been included as valued members of the FPIN community. FPIN recognizes the search expertise of librarians, and each FPIN librarian must meet qualifications demonstrating appropriate experience and training in evidence-based medicine. The consortium works collaboratively to produce the Clinical Inquiries series published in family medicine publications. RESULTS: Over 170 Clinical Inquiries have appeared in Journal of Family Practice (JFP) and American Family Physician (AFP). Surveys have shown that this series has become the most widely read part of the JFP Website. As a result, FPIN has formalized specific librarian roles that have helped build the organizational infrastructure. CONCLUSIONS: All of the activities of the consortium are highly collaborative, and the librarian community reflects that. The FPIN librarians are valuable and equal contributors to the process of creating, updating, and maintaining high-quality clinical information for practicing primary care physicians. Of particular value is the skill of expert searching that the librarians bring to FPIN's products.

Databases as Topic↗

Dermatologic side effects associated with gefitinib therapy: clinical experience and management.

Gefitinib (ZD1839, Iressa ), a selective inhibitor of the epidermal growth factor receptor-tyrosine kinase, is currently in clinical trials to treat a variety of solid tumors. Similar side effects were seen in numerous clinical trials of gefitinib, including recent phase II trials (Iressa Dose Evaluation in Advanced Lung Cancer [IDEAL]-1 and IDEAL-2) in patients with advanced, previously treated non-small-cell lung cancer (NSCLC). The most frequent drug-related adverse effects reported in these trials were diarrhea, dry skin, acneiform rash, and nausea and vomiting. Recently, IDEAL-2 investigators and oncology nurses participated in a panel discussion on the management of dermatologic adverse effects associated with gefitinib treatment. These dermatologic effects were related to the mechanism of action of gefitinib and were not caused by a drug-related allergic reaction. In IDEAL-2, investigators managed the symptoms of dry skin and rash with a variety of treatments, including topical clindamycin, antibiotics, and corticosteroids. Most patients had a high level of tolerance for the dermatologic effects associated with gefitinib, which were milder than toxicities associated with chemotherapy. The severity of skin effects cycled over time during treatment but typically subsided after several weeks of gefitinib treatment. In general, dermatologic effects of gefitinib were easily managed, reversible, and well tolerated by these patients with advanced NSCLC.

Journal Article↗

Community infection control: what is the evidence?

Evidence-based practice is the conscientious use of current best evidence in decision-making about care or the delivery of health services (National Institute for Public Health, 1996). Evidence-based health care is one aspect of the quality improvement activities of clinical governance as a main component of the programme of quality in the NHS (Hek, 2000). Practitioners working in clinical areas are therefore being required to deliver care that has been shown to be effective. (Playle, 2000).

Bandages↗

Attitudes and intentions of future health care providers toward abortion provision.

CONTEXT: Induced abortion is one of the most common procedures performed among women in the United States. However, 87% of all counties had no abortion provider in 2000, and little is known about the attitudes and intentions of future health care providers, including advanced clinical practitioners, regarding abortion provision. METHODS: During March 2002, first- and second-year students in health sciences programs (i.e., medicine, physician assistant and nursing) at the University of Washington were anonymously surveyed. Univariate, bivariate and multivariate analyses were used to determine students' attitudes and intentions regarding provision of abortion services. RESULTS: Of the 312 students who completed the survey, 70% supported the availability of legal abortion under any circumstances. Thirty-one percent intended to provide medical abortion in their practice, and 18% planned to offer surgical abortion. Fifty-two percent of all respondents agreed that advanced clinical practitioners should be able to provide medical abortion, and 37% agreed that they should be able to provide surgical abortion services; however, greater proportions of advanced clinical practitioners (45-83%) than of medical students (21-43%) expressed such support. Sixty-four percent of all respondents were willing to attend a program whose curriculum requires abortion training. CONCLUSIONS: Although it may not be possible to require abortion training for every future health care provider, making abortion a standard part of clinical training would provide opportunities for future physicians and advanced clinical practitioners, and would likely ameliorate the abortion provider shortage.

Abortion, Legal↗

Improving patient hand hygiene.

The hand hygiene of patients has been neglected and should be emphasised. This article outlines strategies to empower patients to improve their hand hygiene, bearing in mind that they should be allowed to make their own choices.

Adult↗

Self-esteem and audit feedback.

BACKGROUND: Audits of clinical practice are regularly carried out in healthcare settings (NHSE 1996). As part of the audit process, results are fed back to the senior nurse or manager in the audit area, often in written form. CONCLUSION: This method of feedback has benefits for the person giving the audit results as it is a standardised method and less time-consuming. However, clinical staff need the opportunity to discuss the problems identified, if motivation is to be improved. There is also little benefit if feedback comments focus on what needs to be improved without looking at positive points. Some types of audit feedback can provide destructive criticism, which may have an adverse effect on nurses' self-esteem. It should, however, be possible to adapt the way that feedback is given following audit to improve self-esteem and motivation.

Feedback↗