lunes, 10 de agosto de 2015

Legionnaire's Disease Most Deadly for Frail, Elderly, Experts Say: MedlinePlus

Legionnaire's Disease Most Deadly for Frail, Elderly, Experts Say: MedlinePlus

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Legionnaire's Disease Most Deadly for Frail, Elderly, Experts Say

Outbreak in New York City has already killed 10, sickened 100
Thursday, August 6, 2015
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THURSDAY, Aug. 6, 2015 (HealthDay News) -- As New York City health officials work to contain an outbreak of Legionnaires' disease, health experts note that the elderly, smokers and those with respiratory conditions are most vulnerable to the potentially deadly bacteria.
So far, 100 people have been infected and 10 have died in the current outbreak, which has been traced to cooling towers in a Bronx neighborhood, according to the New York City Department of Health and Mental Hygiene. Of those who died, all were older individuals with other medical conditions.
And the outbreak is not over, experts noted Thursday.
"There are probably going to be more cases because the disease has a long incubation period -- 10 to 14 days," said Dr. Robert Glatter, an attending physician in the department of emergency medicine at Lenox Hill Hospital in New York City.
Another expert explained that the disease is more likely to get a foothold during warm weather.
"Every summer, when we are using air conditioning, the odds of an outbreak of Legionnaires' disease increases," added Dr. Debra Spicehandler, an infectious diseases specialist at Northern Westchester Hospital in Mount Kisco, N.Y.
Hospitals routinely test their water for Legionnaires', she said. However, hotels, apartment buildings and offices are not required to test for it.
Glatter said that most of the people who are affected by Legionnaires' are the elderly, people who smoke and those with chronic medical conditions, such as emphysema or asthma. Children and young adults are usually not affected, he said.
According to Glatter, the bacteria is commonly found in water and soil. "However, when it is able to set up shop in cooling towers where the water is warm, it can reproduce quickly and spread," he said.
But Spicehandler noted that "it's a very simple, treatable disease most of the time."
Among the young and healthy, the infection runs its course without treatment, but among those at high risk, up to 30 percent can die, Glatter said.
Fortunately, Legionnaires' cannot be spread person-to-person, Glatter said. "It is airborne and is contracted by inhaling it or, in theory, through drinking water," he said.
Legionnaires' causes fever, cough and chills, Glatter said. If caught early, it can be treated with antibiotics.
"Death is usually caused by respiratory failure," Glatter said. "The bacteria overwhelms the lung tissue and reduces the ability to get oxygen into the lungs. Asphyxia [suffocation] is the main cause of death," he said. "Death can occur within three to five days or sooner."
Legionnaires' disease was first seen among 2,000 American Legionnaires attending a convention in Philadelphia in the summer of 1976, according to the U.S. Centers for Disease Control and Prevention. The outbreak was linked to air conditioner cooling towers in the Bellevue-Stratford Hotel. That outbreak sickened 221 people, and 34 died.
"People should not be alarmed at this point," Glatter said. "The cooling towers are being cleaned and disinfected, and these measures should make the public feel safer," he said.
SOURCES: Robert Glatter, M.D., attending physician, department of emergency medicine, Lenox Hill Hospital, New York City; Debra Spicehandler, M.D., infectious diseases specialist, Northern Westchester Hospital, Mount Kisco, N.Y.
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