The Mites Of The Outlast Dust Efforts Heroic Ajudar The Patients Of The Asthma
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- May 7th, 2008 |
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Sufferers of asthma had been able to also stop the expensive energy wasting and the money in interventions work-intensive or to start exempted of the dust of the house, in accordance with a new revision of the studies.
“we can conclir with confidence that does not have no necessity to buy expensive vacuum cleaners of p30 or the covers of mattress or to use chemical methods of meeting to the espana house mites, because these treatments do not work,” said author Peter Gotzsche of the linking, M.D.
Some peoples with asthma are allergic to the known very small arthropods oito-eight-legged as mites of the dust of the house and allergens of these mites can bring in attacks of asthma. Unhappyly, the revision 54-study of 3.000 patients of asthma finds that no chemical or physical intervention to reduce the exposition to the mites of the dust of the house is efficient.
Gotzsche, director of the center nordic of Cochrane in Copenhaga, Denmark, said that the thousands of specialists speculating on this problem and has attemped all the luck of interventions per many years, but it still did not find the reply right.
Gotzsche and the colleagues had lead its first systematic revision in 1998; diverse times had brought up to date its revision with new studies.
The studies, that had approximately varied of two weeks the two years of duration, had used a variety of interventions. Some studies had used chemical products to kill mites, when others had used interventions physicists such as to lock up mattresses and rests in the covers that the mites cannot start completely. Other studies had been called to wash frequent of linhos of bed in the hot water or the bleach; cushions beating outside; e removing the toys, the plants and furniture of a rest.
Although he seems counterintuitive that such efforts intensive to control mites of the dust were unproductive, findings consistent and is opened.
“if you are wanting to know because she is that the covers of mattress and the other strategies are not efficient, the probable reply is that all these treatments sufficiently do not have a great effect in the occurrence of allergens of the mites of the dust of the house,” said Gotzsche. “the level of allergens thus is raised in the majority of repousos that that remains later that the treatment must highly sufficiently still cause attacks of asthma.”
It said that exactly the very low concentrations of allergen can affect the bronchial affliction between sensible individuals, and the majority of repousos houses many mites and allergens of the mite. Beyond, the mite-sensible individuals are frequent sensible to others allergens, in way that elimination successful of only allergen can have limited the benefit in better.
Some of the enclosed studies had gotten 50 reductions of more than percent, and some consideravelmente more, but they are even to reduce allergens ambient for 90 percent are insufficient, said Gotzsche. Before interventions can work, you must reduce allergens distant of the one more than you can get with interventions studied thus distant.
Gotzsche is critical of 2007 guidelines of United States of the national program of the instruction and the prevention of asthma, whose the plant of action of asthma for patients recommends interventions such as to lock up mattresses and rests in the special covers dust-proof, and of leves of laudering, the blankets and the toys fulled in the hot water each week.
the “revisions and guidelines must reflect the facts,” said. “it is difficult, perhaps, to carry through that we cannot really make any thing, but is not no evidence there to support these guidelines and are deceptive. It is on the start of specialists of the time that becomes honest with patients.”
Gotzsche described to testify efforts to introduce in the market $10,000 vacuum cleaners of p30 to the vulnerable parents of the children with asthma. These machines were not exactly better of the one than cheap if in removing the dust, it it said.
the “parents are deceived to the times for tradesmen reckless, but it is better not to waste the money in interventions that they do not work,” it said.
Noreen Clark, Ph.D., professor of the public health in the university of Michigan, described this as an important revision. Clark, who also serves as the national director of the program for the allies wooden of the foundation of Robert Johnson of meeting to the program of asthma, said that when a doctor recommends a strategy of the management that was difficult of if to carry through and did not produce the result desired, the patient loses the confidence in other efficient things the doctor recommended.
“the patient treatment and to advise must focus in some things that the samples of the evidence will be significant in starting the illness under the control,” said Clark. “this study it suggests that to try to reduce the exposition to the mites of the dust being covered mattresses, using ionizers, washing the bedding in high temperatures, and thus for ahead, will not help and does not have to be in the list.”
The article was adaptou today for Medical Notice of the release of the original press.
Podcast: The library of Cochrane is liberating one podcast in this revision, available to the public in the day of the publication, in http://www.cochrane.org/podcasts/
The contribution of Cochrane is an organization nonprofit, the independent International that produce and disseminates systematic revisions of interventions of the care of health and promotes the search for the evidence in the form of clinical experimentations and other studies of interventions. Visit http://www.cochrane.org/ for more information.
PC Of Gotzsche, Johansen HK. It shelters measures of control of the mite of the dust for asthma (revision). Database of Cochrane of systematic revisions 2008, edition 2.
Source: Smooth Esposito
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