Health care-associated pneumonia when a person ...

What is pneumonia? Pneumonia is an infection of the lower respiratory tract, invasion of lung tissue >> << that may cause symptoms that range from mild to life threatening. According to the Centers for Disease Control and Prevention (CDC), more than 1 million children and adults in the U.S., hospitalized pneumonia each year. Worldwide, pneumonia kills more people than any other infectious disease, more than 4 million people strattera price a year, half of them under 5 years. Although anyone can get pneumonia, it is the most common and potentially serious in those who are very young, over 65 years, or who have underlying disease or condition that affects their lungs. This includes people who have had or

organ transplants and those on chemotherapy, pregnancy, in the intensive care unit (ICU) on mechanical ventilation, have been injured or damaged lungs, such as smoking or which is

, like. Pneumonia can occur at any time, but the largest number of cases observed during seasonal season

, usually late fall to early spring. Lung infection may occur in five different ways:

Microorganisms can move down from the upper to the lower respiratory tract. Airborne droplets from sneezing or coughing can breathe. or other discharge from respiratory can touch hands and spread to the mucosa. the lungs. The infection can spread from localized site in the body through the blood and the lungs. It takes more than the impact of potential pathogens () to get pneumonia. Microorganisms permanent presence in the environment and people face the source of infection on a daily basis. In most cases, can easily take care of microbial attack. In the body are layers of protection, which include mechanical barriers, protective bacteria (

), and immune system. Pneumonia occurs when these defense mechanisms are weakened or damaged, and / or invasion by virulent microorganisms enough to overcome or circumvent them. Wide range, and (rarely)

or can lead to pneumonia, but in most cases are caused by only a few of them. Most likely, the microorganism that causes a special case of pneumonia depends on the age and health of the victim and to some extent on the season. Those with weak immune systems and those who traveled in specific regions of the world may develop pneumonia, due to the more unusual microorganisms. Pneumonia can be grouped by medical community in various categories. These differences are primarily useful for determining the probable cause of pneumonia, to determine how best to prevent the spread of infection, and in the treatment. Hospital of pneumonia, infection occurs when, for example, after surgery, when connected to a machine or mechanical ventilation in intensive care

Healthcare-associated pneumonia when a person is infected, and health-related development, such as nursing home or dialysis clinic

nosocomial and health related microorganisms likely to be resistant to first-line drugs. Acquired pneumonia, probably due to the bacteria, which often tend to prescribe antibiotics or due to seasonal viruses for which antimicrobial agents are not appropriate treatment. .

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Obviously, we create a stable bacteria ...

Livestock farms stop using antibiotics, can still be ground for drug-resistant microbes, according to a new study. Scientists have found that bacteria in a group of Canadian pork remained largely immune to antibiotics, two years after farmers stop dosing animals. This resistance to antibiotics can eventually make their way to hospitals and human food, although experts warn that any connection is still not proven. Farmers regularly seen cattle, pigs and chickens with antibiotics to reduce the low level of infection, which slow down the growth of these animals. But the wily bacteria quickly develop resistance. Livestock farms often edges resistant bug that can pass to humans, and possibly proliferation-resistance to other microbes. Scientists have suggested that if farmers stopped using drugs, bacteria, lead to lower their defense to save energy in the end feet of DNA, which encodes resistance to antibiotics. To find out if it actually happens, ecologist Martin C. Nir ™ from McGill University in Montreal, Canada, and colleagues studied bacteria on the farm of the University, which in January 2007 banned all antibiotics, including two widely used types: Tilozin and hlortetratsyklyn. They controlled the gut bacterial populations in 10 pigs search for bacteria resistant to common drugs in their waste. To the surprise team, even after 2 s. When the researchers grew the bacteria in the laboratory, for example, 70% to 100% of them are still resistant to hlortetratsyklyn when pigs were killed. "I did not expect such a high level of resistance remain," said C. ™ Nir, whose team will publish the results in the January issue of << Microbial Ecology. >> Many resistance genes easily get rid of, ch ™ Nir notes. Bacteria often store them on circular pieces of DNA known as plasmids that are not part of the core genome of microorganisms. Given these plasmids around energy costs, and if they do not need bacteria to expel him for several days. But many of the microbes command strattera online Ch ™ Nir studied cherished hlortetratsyklyn gene on plasmid stability, even after many years without antibiotics. Singular ™ Nir suspect resistance genes may have stuck around because they are linked to other genes the bacteria need to survive. One hypothesis is that other genes plasmids protecting animals from high levels of copper and zinc metal contained in pig feed. And as long as the mistakes kept the resistance, they can share with other bacteria they encounter. Most screens farms traced only resistance in pathogenic bugsthose, that cause disease. But these organisms represent only a small percentage of microbes in the intestine of pigs, ch ™ Nir notes. Recent data, he said, show that the common practice of swine waste as fertilizer spreading trucks as resistance to antibiotics of agricultural land. These bacteria can share resistance to other bacteria that are on crops and in the lower reaches of water ecosystemsbacteria, which can lead to illness, ch ™ Nir says. "This is a time bomb."

The study emphasizes the indirect effects of antibiotics that scientists have long worried, says microbiologist Julie Zilles at the University of Illinois, Urbana-Champaign, who was not involved in the work. However, she notes that it is difficult to trace resistance to antibiotics from livestock farms to medical facilities. Impact on the human food is also not clear, says H. Scott Hurd, safety of animal expert of the World Health Organization and the University of Iowa, Ames. When scientists trace the bacteria through the meat, he says, they are flesh just in case. Employees of slaughterhouses and meat processing facilities follow guidelines to keep bacteria from pig intestine pollution and other meat item, he said. "Risk assessment shows us that time, the food gets to the consumer, there are very few resistant bacteria left."

However, Heard said though farmers used hlortetratsyklyn for 50 years, food safety experts conducted monitoring strains only in the past decade. He agrees with Nir ™ mean the need for further research on the spread of resistance genes from the farm to the environment. "Obviously, we are creating resistant bacteria on the farm," says Heard. A new study, "causing concern", he says, "but not to answer questions."