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Billions Lost In Productivity Due To Vision Impairment
Corrected vision impairment could prevent billions of dollars in lost productivity annually, according to a study by researchers from the Johns Hopkins Bloomberg School of School of Public Health, the International Centre for Eyecare Education, the University of New South Wales and the African Vision Research Institute. Researchers estimate that nearly 158 million people globally suffer with vision impairment resulting from uncorrected refractive error, which can usually be eliminated with a pair of eyeglasses and an eye examination. This is the first study to estimate the productivity loss from uncorrected refractive error and is published in the June 2009 issue of the Bulletin of the World Health Organization.
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Antiretrovirals Can Be Used To Prevent Spread Of HIV/AIDS, Model Shows
In addition to acting as life-saving therapy to people living with HIV/AIDS, WHO researchers say antiretrovirals (ARVs) may also be able to prevent the spread of HIV, Health-e/allAfrica.com reports. Reuben Granich, of the WHO, used a model to estimate the use of ARVs for the prevention of HIV transmission, and presented his findings to delegates gathered at the 5th International AIDS Society (IAS) Conference on HIV Pathogenesis, Treatment and Prevention meeting in Cape Town, South Africa (Thom, 7/20).
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Sen. Hatch Leaves Bipartisan Negotiations, August Deadline Unlikely
Sen. Orrin Hatch, R-Utah, removes himself from Sen. Max Baucus"s bipartisan health reform talks in the Senate Finance Committee, leaving six centrist senators in what used to be called "the coalition of the willing." And, Senate Majority Whip Dick Durbin, D-Ill., says President Barack Obama"s August deadline is unworkable.
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Comparison Of Medical Imaging Choices Finds Ultrasound To Be The Most Cost Efficient

In comparing ultrasound with other medical imaging methods such as MRI and CT scans, a literature review of published studies in the May/June issue of Journal of Diagnostic Medical Sonography (JDMS) describes the use of ultrasound to provide an accurate diagnosis more cost effectively than the alternatives. Since its first uses in the 1950s, ultrasound has been utilized mostly in hospital settings. But with the development of less costly, portable equipment, its use has expanded to doctor"s offices, trauma settings, and even to outer space. The article compares the use of ultrasound to magnetic resonance (MR) imaging, computed tomography (CT), contrast angiography (CA), and single-photon emission computed tomography (SPECT). In addition to evaluating the accuracy and cost effectiveness of ultrasound as compared to other medical imaging techniques, the study reviewed the use of ultrasound in the following applications: * Obstetric and Gynecological * Abdominal * Vascular * Cardiac * Emergency * Disease Diagnosis "Ultrasound provides the ability to rapidly evaluate and diagnose abnormalities throughout the spectrum of clinical medicine," write the authors S. Michelle Bierig, MPH, RDCS, RDMS, FASE, FSDMS and Anne Jones, RN, BSN, RVT, RDMS, FSVU. "Its accuracy and cost-effectiveness in a variety of applications has led to its widespread adoption and use. The utilization of ultrasound compared to the use of alternative imaging methods leads to increased cost efficiency in the diagnosis and management of patients." "Accuracy and cost comparison of ultrasound versus alternative imaging modalities including CT, MR, PET and Angiography" in the May/June issue of Journal of Diagnostic Medical Sonography is available free for a limited time at: http://jdm.sagepub.com/cgi/rapidpdf/8756479309336240v1. Jim Gilden SAGE Publications


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