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Tracking the epidemiology of human genes in the literature: the HuGE Published Literature database.

Completion of the human genome sequence has inspired a new wave of epidemiologic studies on the prevalence of gene variants and their associations with diseases in human populations. In 2001, the Human Genome Epidemiology (HuGE) Network launched the HuGE Published Literature database (HuGE Pub Lit), a searchable, online knowledge base of published, population-based epidemiologic studies of human genes. The database contains links to PubMed articles and can be searched by gene, disease, interacting factor, type of study design or analysis, or any combination of terms in these categories. The search output contains a link to each identified article, along with a table summarizing key features of the reported study. As of September 6, 2005, some 17,665 articles were indexed in the database. Most described gene-disease associations (86%); fewer evaluated gene-gene or gene-environment interactions (17%), the prevalence of gene variants (10%), or genetic tests (3%). Although not comprehensive, this database is a unique tool for epidemiologic researchers and others concerned with the role of genetic variation in population health. Here, the authors provide an overview of the database and its characteristics and uses.

Centers for Disease Control and Prevention, U.S.↗

Spontaneous bleeding associated with ginkgo biloba: a case report and systematic review of the literature: a case report and systematic review of the literature.

BACKGROUND: Ginkgo biloba (ginkgo) is a herbal remedy used by over 2% of the adult population in the United States. Several review articles have suggested that ginkgo may increase the risk of bleeding. OBJECTIVE: To report a case of bleeding associated with using ginkgo, to systematically review the literature for similar case reports, and to evaluate whether using ginkgo is causally related to bleeding. DATA SOURCES: We searched MEDLINE, EMBASE, IBIDS, and the Cochrane Collaboration Database from 1966 to October 2004 with no language restrictions. REVIEW METHODS: Published case reports of bleeding events in persons using ginkgo were selected. Two reviewers independently abstracted a standard set of information to assess whether ginkgo caused the bleeding event. RESULTS: Fifteen published case reports described a temporal association between using ginkgo and a bleeding event. Most cases involved serious medical conditions, including 8 episodes of intracranial bleeding. However, 13 of the case reports identified other risk factors for bleeding. Only 6 reports clearly described that ginkgo was stopped and that bleeding did not recur. Bleeding times, measured in 3 reports, were elevated when patients were taking ginkgo. CONCLUSION: A structured assessment of published case reports suggests a possible causal association between using ginkgo and bleeding events. Given the widespread use of this herb and the serious nature of the reported events, further studies are needed. Patients using ginkgo, particularly those with known bleeding risks, should be counseled about a possible increase in bleeding risk.

Aged↗

How to keep up with the medical literature: IV. Using the literature to solve clinical problems.

Ideally, searches for published articles to solve clinical problems should lead to the best evidence on a given topic quickly and at reasonable expense. This goal can be achieved with modern information skills, sources, and services. In this article, we describe and compare various means, from textbooks to computers, that provide access to information of potential value in addressing clinical problems as they arise. Using the problem of understanding and controlling the risk for the acquired immunodeficiency syndrome among personnel of a community hospital, we examined the following sources for their utility in locating journal literature: general and specialty medical texts, personal reprint collections, expert clinicians, recent journal issues, library textbook collections, the Index Medicus "Bibliography of Reviews" and subject index, and MEDLINE computer searching. For this problem, Index Medicus and MEDLINE were the best sources of up-to-date articles, but MEDLINE was three times as fast.

Information Services↗

Summary of the scientific literature for pain and anxiety control in dentistry journal literature, January 1986-December 1987.

This bibliography contains both foreign (in brackets) and English language citations obtained from Index to Dental Literature, Index Medicus, and Psychological Abstracts for the period January 1986 to December 1987. Although a careful search of these indexes was performed, every relevant citation may not be included. Comments or suggestions regarding this bibliography are welcomed by the author.

Anesthesia, Dental↗

[Marginal periodontium and osseointegrated implants--literature review and own investigations. 1. Literature review].

A review from literature is given to problems of osseointegration of implants, to the biologic host defensive mechanism against plaque accumulation in the marginal region of osseointegrated implants as well as to problems of functional occlusal stress of such implants. Results of an investigation at IMZ-implants are integrated in the discussion: size of plaque accumulation, quality of subgingival plaque (dark field microscopy), bleeding on probing, pocket depth, correlation between these clinical signs.

Dental Implantation, Endosseous↗