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The human factors implications of peritoneal dialysis: cycler overfill incident reports.

Serious errors can occur with many medical devices (e.g., infusion pumps, ventilators, anesthesia machines), and even highly trained professionals can make critical errors. The FDA now requires that manufacturers consider the user when designing medical equipment and has issued a guidance document describing human factor (HF) problems and the HF design process. The Association for Advancement of Medical Instrumentation has also published guidelines, and the American Medical Association's National Patient Safety Foundation has selected reduction of medical errors as their mission. It is important that the medical community reinforce the patient-safety initiative by evaluating user-interface design and instructional manuals when purchasing such equipment. The payoff will be fewer incidents and less time required in device training. The FDA actively solicits help in identifying and reporting adverse events associated with medical devices. Health care practitioners employed by facilities subject to the FDA's user-facility reporting requirements should follow the user-reporting procedures established by their facility. Practitioners and users may want to directly report an incident to the MedWatch Program, the FDA's voluntary Medical Products Reporting Program.

Aged↗

Perspectives in genetic screening. Principles and implications.

Recent advances in genetic identification and characterization of a number or hereditary disorders have led to increased possibilities for genetic testing and screening. The context and methods of screening are important given that identification of otherwise healthy persons as being presymptomatic or at increased risk for genetic diseases may have serious consequences for their future lifestyle, employment, and insurability. This article examines general principles for genetic screening, including goals, delivery issues, and professional and lay responses to screening and counseling, and recommends areas in which social psychological research on screening is needed.

Cost-Benefit Analysis↗

Ethics and genetics: susceptibility testing in the workplace.

Genetic testing in the workplace is a technology both full of promise and fraught with ethical peril. Though not yet common, it is likely to become increasingly so. We survey the key arguments in favour of such testing, along with the most significant ethical worries. We further propose a set of pragmatic criteria, which, if met, would make it permissible for employers to offer (but not require) workplace genetic testing.

Employment↗

Selling yourself: Titmuss's argument against a market in blood.

This article defends Richard Titmuss's argument, and Peter Singer's sympathetic support for it, against orthodox philosophical criticism. The article specifies the sense in which a market in blood is "dehumanising" as having to do with a loss of "imagined community" or social "integration," and not with a loss of valued or "deeper" liberty. It separates two "domino arguments"--the "contamination of meaning" argument and the "erosion of motivation" argument--which support, in different but interrelated ways, the claim that a market in blood is "imperialistic." Concentrating on the first domino argument the article considers the view that monetary and non-monetary meanings of the same good can co-exist given the robustness of certain kinds of relationship and joint undertakings within which gifts can figure. It argues that societal relationships are vulnerable or permeable to the effects of the market in a way that those constitutive of the personal sphere are not. General, more broadly political questions remain unanswered but the core of Titmuss's original and challenging argument remains and can be presented in a defensible form.

Altruism↗

Paying for blood donations: still a risk?

It is presently disputed whether studies indicating a higher risk of infectious diseases among paid blood donors are lessons of the past, or still hold relevance. Comparative studies published between 1968 and 2001 were assessed for a possible trend of change in the relative risk for infectious disease markers between paid and unpaid blood or plasma donors. Studies reporting that paid donors had lower risk were found, but most studies, including recent ones, continued to report that paid donors have higher rates of infectious disease markers than unpaid donors. By log-linear regression analysis of the relative risk estimates for infectious disease markers among paid and unpaid donors from 28 published data sets, evidence was not found to indicate that the difference in risk for infectious disease markers between paid donors and unpaid donors had diminished over time (P = 0.128, not significant). Paid donors are still more likely than unpaid donors to donate blood in the period during which infectious donations escape detection by blood-screening tests (the "window-period"). Therefore, paid donations have a higher risk that labile blood components (such as red blood cells and platelets) are infected. Additional safety measures for handling plasma donations, and the preparation, purification and viral-inactivation steps employed for the production of plasma derivatives, may render the difference in infectious disease marker rates in donors irrelevant for plasma products. However, not all viruses are inactivated and paid donors were repeatedly found to have higher frequencies of markers for emerging agents. In a quality system, critical steps of the process should be addressed, and selection of the donor population is one of the first steps in this process. It is advised that blood establishments present yearly reports (with complete and raw data) to authorities on the incidence and prevalence of infectious disease markers among their donors as an ongoing surveillance on the "quality" of their donor populations. Paid blood or plasma donors still have higher rates for infectious disease markers than unpaid donors.

Blood Donors↗