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Apparently healthy, middle-aged and older subjects with frequent PVCs have a poor prognosis and should be considered to be high-risk subjects who require strict risk factor modification and primary prevention.
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All of the currently available non-invasive techniques for carotid artery imaging give accurate results when there is a high-grade stenosis (70-99%), but contrast-enhanced MRA is slightly more sensitive.
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Pulmonary embolism occurs commonly in patients with unexplained exacerbations of chronic obstructive pulmonary disease.
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While the use of anti-tnf agents for the treatment of diseases such as rheumatoid arthritis (RA) is known to be associated with an increased risk of serious infections and malignancies, the degree of risk has remained undefined.
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The CDC identified 17 patients with community-acquired pneumonia (CAP) due to S. aureus by following up on reports from the Emerging Infections Network of the Infectious Disease Society of America (IDSA) during the 2003-2004 influenza season.
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The STAR Trial (Tamoxifen and Raloxifene); FDA Actions
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In October 2005, the American Committee on Immunization Practices provided provisional recommendations for the acellular pertussis vaccine (Tdap) (ADACELTM, Sanofi Pasteur) as a single booster dose for persons 11-64 years of age.
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Due to the long half-lives of nevirapine and efavirenz, it is now recommended that when non-nucleoside reverse transcriptase inhibitor (nnRTI)-containing antiretroviral regimens are discontinued, backbone nucleoside analogs should be continued for 4-7 days to reduce the likelihood of development of nnRTI resistance.