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VA Medical Imaging Reaches Record Level
VistA Imaging, the medical and health care imaging system used in Department of Veterans Affairs (VA) medical centers, attained over one billion stored images in January this year, according to the department.
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Breast MRI Shows It's Not The Size Of The Lymph Node That Signals Spread Of Cancer
Physicians treating breast cancer first look to lymph nodes in a patient"s armpit to see whether cancer is spreading elsewhere in the body - but they may not be evaluating the nodes in the most effective way.
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Maryland County Officials Create State's First Suburban HIV/AIDS Commission
Anne Arundel County, Md., Executive John Leopold recently appointed 20 community leaders, government officials and health workers to serve on the county"s first HIV/AIDS commission, which aims to understand and develop strategies for addressing the disease, the Baltimore Sun reports. The Sun reports the commission is believed to be the first of its kind in a suburban Maryland county and similar to a commission launched in Baltimore City. Council member Daryl Jones in 2008 proposed legislation to create the commission, citing the increasing number of HIV cases in the northern part of the county, likely because of its close proximity to Baltimore. According to Jones, the commission aims to generate funds for testing and outreach services; address stigma associated with the disease; and heighten awareness of the virus among residents. The commission also will produce an annual report on HIV/AIDS-related issues in the county, Jones said. Anne Arundel County had 1,000 recorded HIV/AIDS cases in 2006, with 56 newly reported HIV cases that year, according to the Maryland AIDS Administration. "It"s pretty much what I would classify as having the potential to reach epidemic proportions," Jones said, adding that Baltimore has the second highest AIDS rate among major metropolitan areas in the country. According to Kelly Sipe Russo, a physician clinical specialist with the county health department"s division of public health, the department has identified "hot spots" in the county with high HIV/AIDS rates, including the northern area and Annapolis. Russo noted that while HIV/AIDS rates in the county are not on the rise, they also are not declining, even with programs in place to increase awareness and provide help for those living with the disease. According to the Sun, although res and staffing are limited for many programs, health department officials still believe the programs are slowly having an effect and that more outreach is needed, especially for testing and treatment. Jones said that the economic downturn could lead more people to drug or alcohol use. He also noted that the stigma surrounding the disease is a major factor behind the creation of the commission. "Part of what the commission will address is figuring out ways to take away some of the fear factor" associated with HIV testing, he said. The Sun also profiled Carolyn Massey, an HIV-positive woman appointed to the commission. She said that stigma associated with the virus still is widespread, adding, "I feel we"re doing some of the right things the right way. HIV infection is something that does not have to happen" (Dixon, Baltimore Sun, 5/18).
Medical Devices

What Is Polio (poliomyelitis)? What Causes Polio?

Polio, or poliomyelitis, is a highly contagious viral infection that can lead to paralysis, breathing problems, or even death. The term poliomyelitis is from the Greek poliÃös meaning "grey", myelÃös referencing the spinal cord, and -itis meaning inflammation. Polio can be classified as either symptomatic or asymptomatic. About 95% of all cases display no symptoms (asymptomatic polio), and between 4% and 8% of cases display symptoms (symptomatic polio). Symptomatic polio can be broken down further into a mild form called nonparalytic or abortive polio and a severe form called paralytic polio (occurring in 0.1% to 2% of cases). Paralytic polio also may be classified as: *Spinal polio - attacks motor neurons in the spinal cord and causes paralysis in arms and legs and breathing problems *Bulbar polio - affects neurons responsible for sight, vision, taste, swallowing, and breathing *Bulbospinal polio - both spinal and bulbar polio Many people with nonparalytic polio are able to make a full recovery, while those with paralytic polio generally end up with permanent paralysis. Who gets polio? Like many other infectious diseases, polio victims tend to be some of the most vulnerable members of the population. This includes the very young, pregnant women, and those with immune systems that are substantially weakened by other medical conditions. Anyone who has not been immunized against polio is especially susceptible to contracting the infection. Additional risk factors for polio include traveling to places where polio is endemic or widespread, living with someone infected with polio, working in a laboratory where live poliovirus is kept, and having your tonsils removed. What causes polio? Polio is caused by the poliovirus, a highly contagious virus specific to humans. The virus usually enters the environment in the feces of someone who is infected. In areas with poor sanitation, the virus easily spreads through the fecal-oral route, via contaminated water or food. In addition, direct contact with a person infected with the virus can cause polio. What are the symptoms of polio? Polio, in its most debilitating forms, displays symptoms such as paralysis and death. However, most people with polio don"t actually display any symptoms or become noticeably sick. When symptoms do appear, there are differences depending on the type of polio. Nonparalytic polio (abortive poliomyelitis) leads to flu-like symptoms that last for a few days or weeks, such as fever, sore throat, headache, vomiting, fatigue, back and neck pain, arm and leg stiffness, muscle tenderness, muscle spasms, and meningitis. Paralytic polio will often begin with symptoms similar to nonparalytic polio, but will progress to more serious symptoms such as a loss of muscle reflexes, severe muscle pain and spasms, and loose or floppy limbs that is often worse on one side of the body. How is polio diagnosed? Polio is often recognized because of symptoms such as neck and back stiffness, abnormal reflexes, and trouble with swallowing and breathing. A physician who suspects polio will perform laboratory tests that check for poliovirus using throat secretions, stool samples, or cerebrospinal fluid. How is polio treated? There is no cure for polio once a person becomes infected. Therefore, treatments are focused on increasing comfort, managing symptoms, and preventing complications. This may include providing bed rest, antibiotics for additional infections, pain killers, ventilators to help breathing, physiotherapy and moderate exercise, and a proper diet. One treatment for lung paralysis due to polio was to place the patient into an iron lung - a device that would push and pull chest muscles to make them work. However, more modern portable ventilators and jacket-type ventilators are now employed. How can polio be prevented? Although polio essentially has been eradicated in the US since 1979 and in the Western Hemisphere since 1991, children and adults in Afghanistan, India, Nigeria, and Pakistan are still contending with the disease. There are two vaccines available to fight polio - inactivated poliovirus (IPV) and oral polio vaccine (OPV). IPV, which consists of a series of injections beginning two months after birth and continuing until a child is 4 to 6 years old, is provided to most children in the United States. The vaccine is created from inactive poliovirus, but it is very safe and effective and cannot cause polio. OPV is created from a weakened or attenuated form of poliovirus, and it is the vaccine of choice in many countries because of its low cost, ease of administration, and ability to provide excellent immunity in the intestine. OPV, however, has been known to revert to a dangerous form of poliovirus that is able to paralyze its victim. Polio vaccinations or boosters are highly recommended in anyone who is not vaccinated or is unsure if she is vaccinated. Written by Peter Crosta M.A. Copyright: Medical News Today Not to be reproduced without permission of Medical News Today


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