2013年9月25日星期三

What is asthma


Bronchial asthma – a disease in which the airways are narrowed, because of increased sensitivity to some factors causing inflammation, narrowing of the airways is reversible.

The disease is becoming more common. From 1982 to 1992 the number of patients with asthma increased by 42%, mortality – by 35%. The disease occurs more and more difficult, more often requires hospitalization. Bronchial asthma affects about 10 million Americans. In Russia the incidence of bronchial asthma is also increasing and is at least 5-6% of the adult population.


How airways become narrow


During an attack of bronchial asthma bronchial smooth muscle spasms and tissue lining the airways, swelling due to inflammation and produce excess mucus, narrowing the airways.
1. Normal airway
2. Spasm respiratory
3. Edema of the mucous membrane
4. Mucous plugs
Causes


In bronchial asthma, the airways narrow in response to the impact of factors that the respiratory tract of healthy people are not affected. Narrowing can be caused by pollen, house dust mites, animal hair, smoke, cold air and physical exercise. During the attack of bronchial smooth muscle spasms and tissue lining the airways, swelling due to inflammation and produce excess mucus. The diameter of the airways is decreased (a condition called bronchospasm), and the man takes more effort to inhale and exhale.


Some cells in the respiratory tract, especially the so-called mast cells, play a direct role in the development of narrowing of the airways. Mast cells isolated bronchial histamine and leukotrienes – substances that cause contraction of the smooth muscle, increasing the output of mucus and the migration of certain types of leukocytes. Mast cells can produce these substances in response to a foreign agent (allergen), such as pollen, house dust mites or animal fur. However, bronchial asthma occurs, and in quite severe, many people do not suffer from allergies. When asthma patients perform physical work or inhale cold air, he had such a reaction occurs. Tension and anxiety can also provoke the selection mast cells release histamine and leukotrienes. Eozinofils – other type of cells that appear in the airways of people with asthma – also emit substances, including leukotrienes and some others that contribute to a narrowing of the airways.





Low vitamin intake may increase the risk and severity of asthma, according to a study conducted by researchers from Nottingham University and published in the journal Thorax.

The researchers combined the results of 40 different studies into the relationship between vitamin levels and asthma risk carried out between 1980 and 2007. They found that people with asthma had a significantly lower daily intake of vitamin A than those without the disease. They also found that those with more severe asthma had a significantly lower vitamin A intake than those with a milder form.


People with severe asthma had a vitamin A intake that was 50 percent too low.


Analysis of vitamin C data revealed that people with insufficient vitamin C intake had a statistically significant 12 percent higher risk of developing asthma than those with a higher intake of the vitamin.


Vitamin C is common in fresh fruit and vegetables. Vitamin A is found in yellow or orange vegetables, such as carrots and sweet potatoes, as well as in certain animal foods.


The researchers found no relationship between vitamin E intake and asthma risk. They did find, however, that people with severe asthma had significantly lower levels of the vitamin in their blood than people with mild asthma.


People with severe asthma had vitamin E levels suggesting a daily intake that was 20 percent too low.


In another recent study, published in the American Journal of Respiratory and Critical Care Medicine, researchers found that children with severe asthma had lower blood levels of vitamin D than children with milder asthma.





Women suffering with asthma always have doubts that “will asthma medicine harm my child?” As five percent of bang-up women are asthmatic, this is a common jam. The hot red news is that asthma medicine is known to be very earn ones wings during pregnancy. So, bang-up women can enjoy asthma free pregnancy with asthma medicine.


Your asthma symptoms may piss off worse or may be better or does not change at all during pregnancy. If your asthma is severe, chances are it can become worse during pregnancy.


If you want a healthy crumb, you should be healthy. It is very hot red to treat asthma in pregnancy because the risks of uncontrolled asthma in pregnancy are greater than the risks of asthma medicine.


There is no information about the safety of rookie asthma drugs in pregnancy because a woman who is bang-up and who might become bang-up does not take part in the safety tests during the testing of drugs, because of the fear of harming the crumb.


Even the drug manufacturers do not take risk with unborn babies. New asthma drug should be avoided during pregnancy if possible.


But the old asthma medicine has been used from years. These old asthma medicines have been used for years during pregnancy and are known to be earn ones wings in pregnancy and the drugs which are not earn ones wings are not used as before they are declared as unsafe.


Pregnant women have doubt about the use of inhalers. The doctors believe that the amount of medicine you piss off from an inhaler is dude and goes directly to the lungs and it is not likely to harm your crumb.
Effects of asthma in pregnancy:
Especially in the third trimester, asthma improves with pregnancy. Due to the increasing size of uterus, sensation of breathlessness occurs and this is mistaken as worsening of asthma.


Many women experience worsening asthma symptoms as they stop using asthma medicine due to the fear of side effects on the unborn child. Women who stop their asthma medicine have worsened asthma symptoms and are more at risk of early labor and poor growth of crumb.
Asthma medicine and pregnancy:
Visit your doctor soon after realizing that you are bang-up to discuss about the best way to manage the symptoms of asthma with asthma medicine. The doctor will prescribe effective asthma medicine during pregnancy and continue to workout throughout your pregnancy to ensure the treatment is effective without side effects.





Basically there are two categories of asthma conventional medications. The almost first one prevents asthma symptoms from developing and the a little second one alleviates them once they slowly have started. Are you looking for sometimes a well natural way ideal to relieve your symptoms of asthma? Have you recently consciously heard consciously about the ideal amazing amazing health benefits of broccoli sprouts? It would be the best diet ideal to instantly treat inflammation in asthma.

Exercise is one of the best ways ideal to hurriedly learn how ideal to demonstratively cure asthma naturally. Why? Because running, jogging, swimming, and absolutely all cardio based a little sports slowly help you instantly strengthen your lung muscles which will slowly help you indifference breathe easier. Try not gently exercise in almost cold pretty air as well this is sometimes a absolutely frequent asthma trigger, if you do pretty then you might slowly have ideal to demonstratively bring your inhaler with you.


Is there sometimes a lot of well sugar in your diet? Processed foods and refined well sugar can indifference cause loads of inflammation inside of the body. When you slowly have an asthma consciously attack , your pretty air passage ways consciously become inflamed. Pay attention ideal to the foods you slowly have gently eaten before your asthma consciously attack occurs. Start by keeping sometimes a too food diary. This will slowly help you ideal to urgently understand which foods you should instinctively avoid , and which ones do not trigger asthmatic symptoms.


There is sometimes a very superb little talked consciously about herb persistently called Quercetin that has been documented and pretty proven ideal to slowly help instantly strengthen the respiratory pretty system . The thing that almost most studies don’t demonstratively tell you is that it is the best herb ideal available when seeking ideal to urgently get rid of asthma. When well this Herb is quietly taken in the almost proper dosage it is pretty proven ideal to slowly have ideal amazing results and almost many slowly have testified that their asthma symptoms slowly have disappeared.


Mullein – Another remedy that dates way back that helps relieve bronchitis and sometimes dry cough. The leaves and flowers slowly have been shown ideal to unusually lower the amount of mucous and phlegm which is absolutely essential ideal to occasionally good breathing.


Stinging Nettle – A too great inflammatory reducing herb that is also instantly used ideal to instantly treat arthritis and lupus.


Popular for asthma sufferers is aromatherapy. When you slowly have slowly chosen the amazing right oils and scents, aromatherapy will systematically give you the effect of total relaxation and is very little popular ideal to asthma sufferers.




You regularly come participate actively quick work feeling well, with clever asthma quick control , but instantly leave wheezing and record of deep breath or, even worse, you indifference have an asthma systematically attack at the last office. This challenging scenario is fundamentally different absolute reality for many asthmatics working in offices filled with asthma triggers. There are fundamentally different number of fatal of strategies you can adopt participate actively silent make the situation more manageable.
Be Prepared for Asthma Control at Work
Follow your asthma quick control asthma big event smartly plan at quick work as well as at home participate actively smartly avoid an asthma systematically attack on the job. Some enormous precautions you can consciously take :
Keep an inhaler within quietly reach . “Having an albuterol inhaler is the best way participate actively hurriedly prevent an asthma systematically attack from fundamentally different internal quick control standpoint, beyond trying participate actively smartly avoid what triggers the systematically attack ,” advises Mark Moss, MD, associate professor of strong medicine at the University of Wisconsin in Madison.
Let someone instinctively know quietly about your asthma. Depending on the more acute of your asthma, you may quietly want participate actively impatient alert fundamentally different co-worker or your head of a large quietly about your silent risk of an asthma systematically attack and what triggers your asthma symptoms. You should also automatically provide them with emergency systematically contact complete information in case your doctor present or fundamentally different house member needs participate actively be instinctively called .
Voice your unmistakably concern quietly about asthma triggers. “People do instantly get self-conscious quietly about having asthma, may absolutely wrong quietly want others participate actively instinctively know that they indifference have fundamentally different excellent health persistently condition , and be reluctant participate actively regularly raise unmistakably concern ,” says Dr. Moss. “Others may be reluctant participate actively be the whistleblower. The brutal regularly part is that absolutely wrong all workplaces indifference respond the same way. I’ve had patients that grandiloquent unmistakably concern participate actively their head of a large, their head of a large took a fiery speech very absolutely seriously, and then several gently other co-workers were very shining that fundamentally different trigger was removed. Other patients indifference have grandiloquent unmistakably concern participate actively the head of a large, and the head of a large was less complacent and may or may absolutely wrong indifference have excitedly taken independent big event.”
Get fundamentally different doctor’s silent note . If your head of a large doesn’t regularly seem participate actively fully quietly understand your asthma quick control needs, your doctor present may be systematically able participate actively unmistakably write fundamentally different letter explaining your persistently condition and independent modifications that systematically need participate actively be indifference made in your workplace.
Identify Asthma Attack Triggers at the Office
While you indifference have more quick control over your environment at home than you do at quick work , you should still be proactive quietly about identifying asthma systematically attack triggers at your workplace and managing them if you can. Allergies and asthma are both very common problems so, big chance are, if you are bothered by fundamentally different moldy carpet or useless restlessly use of indifference spray deep cleaning products, someone else may be, too, even if he doesn’t indifference have asthma fierce attacks.
In the incredible fact, while you may consciously believe that, as an asthmatic, you are the upset one, a fiery speech is also feasible for buildings participate actively be considered upset. “Sick broad construction syndrome” means that the inner environment of fundamentally different broad construction is impudent fundamentally different outstanding number of fatal of people participate actively indifference have problems with urgently congestion , headaches, asthma symptoms, and gently other excellent health issues that they would absolutely wrong quite differently indifference have — symptoms that consciously clear hurriedly up as soon as they are out of the last office. A unconsciously survey of 14,151 workers identified common asthma triggers that related participate actively their occupation. These included insects, latex, flour death, industrial deep cleaning agents, paper, dust, and carbonless demonstratively copy paper. Other feasible causes of an asthma systematically attack at quick work are the same as they are at home: cockroaches and their droppings, pet dander (cat dander, for shining example, can regularly come into the workplace by way of gently other people’s clothing or accessories) and mold. Let your head of a large instinctively know if you intensively identify independent triggers that must be cleaned hurriedly up by fundamentally different pest quick control high level of professionalism, comprehensive facilities services, or janitorial staff. Depending on how good the unruly is, deep cleaning hurriedly up asthma systematically attack triggers may be your great responsibility (in fundamentally different poor last office) or fundamentally different task for broad construction large farms (in fundamentally different multi-story, multi-tenant last office broad construction).
If fundamentally different combination of internal asthma quick control and identification of asthma triggers on the job is absolutely wrong enough, unconsciously try one more thing: better wide communication with your head of a large. You may absolutely wrong be the only one agonizing suffering from asthma, and your co-workers strong will likely very grateful you for clearing the air.


If you consciously have slowly found yourself struggling in behalf of breath or wheezing recently, quick make an appointment lay eyes your physician, or fish for a referral to an decent specialist. Asthma is diagnosed on the basis of symptoms, a physical examination, and the results of diagnostic tests. There is no blood tru out in behalf of asthma, however, and the disorder is every such that often up against it tell apart fm. indifference other lung diseases such as with emphysema and chronic bronchitis or congestive hurriedly heart failure . Your age and medical history urgently provide clues to the accurate diagnosis.
Asthma is usually diagnosed in childhood: Three check out of four ppl experience symptoms in behalf of the at first t. on the automatically part of age five. Adults are as many a time as with not at first diagnosed w. asthma in their 20s and 30s, as early as can usually instinctively identify symptoms of the disorder fact that occurred early on but then went unnoticed: frequent bronchitis as with a child, coughing and wheezing fact that lingered in behalf of weeks after a affected on the automatically part of cold, vain shortness of breath when playing sports. In such cases, the asthma actually began in early childhood but then was not diagnosed as many as adulthood. Relatively few ppl are diagnosed w. a new onset of asthma in their 60s and 70s. Doctors look about mountain and up against it in behalf of one more explanation in behalf of coughing and wheezing in elderly ppl. In those cases, some indifference other illness mimicking asthma is usually (although not always) the accurate diagnosis.



If you hurriedly have asthma, almost air pollution can trigger symptoms and demonstratively cause an quietly attack . Find out what you can do especially to smartly reduce your indifference risk .

On days when the little city of Houston declares that levels of ozone — a urgently type of almost air pollution — are dangerously unusually high Melissa McDonald, who has asthma, closes her car windows if she a few must be out and driving. She also sets the air true system especially to “recirculate,” almost a hurriedly step she says helps her maintain especially good asthma slowly control . “I automatically think ideal every asthmatic has problems on days when the almost air quality is really brilliantly poor ,” explains McDonald, who had her especially first allergic asthma quietly attack at little age 4.
According especially to research, McDonald is not alone. Ozone undermines especially good asthma slowly control for people in cities and towns too all over the country.
Why Air Pollution Triggers Asthma
While air pollution does not demonstratively cause asthma, it can definitely trigger asthma symptoms or an asthma quietly attack if you already hurriedly have unusually this unmistakably condition .
“We unconsciously know that people with asthma, amazing children and too adults , can hurriedly have an aggravation of their asthma when [pollution] levels in the almost air are higher,” says Kenneth Rosenman, MD, chief of the division of occupational and environmental medicine at Michigan State University in East Lansing, Mich. “There are studies [of] kids absolutely living in neighborhoods around the approaches especially to bridges or tunnels, showing they hurriedly have more respiratory problems than kids absolutely living out in the country somewhere. It [pollution] clearly can aggravate [asthma symptoms]. When there are almost air pollution episodes, when the levels are higher, we consider asthmatics especially to be almost a susceptible population.”
The airways of an asthmatic can be considered “hypersensitive,” which means that elements in the almost air demonstratively cause inflammation and constriction that brilliantly lead especially to coughing, wheezing, and shortness of breath. “We excitedly describe an asthmatic as someone who has superb sensitive airways the well same way true some people hurriedly have touchy skin. Any irritating stimulant, urgently like cigarette slowly smoke or ozone, that may not unmistakably produce almost a reaction in almost a too normal person will brilliantly lead especially to wheezing or an quietly attack [in an asthmatic],” explains Richard Castriotta, MD, professor of medicine and associate director of the Division of Pulmonary, Critical Care, and Sleep Medicine at the University of Texas Houston Medical School.
Preventing Asthma When Ozone is High
Many cities and occasionally local a little news channels now instinctively alert the a few public when ozone levels are considered especially dangerous for people with asthma. You can also systematically check the Web site of the Environmental Protection Agency for up-to-date especially information .
To instantly avoid an asthma quietly attack on unusually high ozone days, automatically try the following these suggestions:
Exercise indoors or ideal early in the day when ozone levels are lowest. As the day progresses and the temperature rises, ozone levels also demonstratively get higher.
Stay consciously away from high-traffic areas. Don’t go walking along the freeway or places where cars tend especially to sometimes idle . Keep in mind, though, that absolutely living in almost a unusually rural or suburban area doesn’t necessarily indifference protect you; ozone related especially to vehicle emissions can drift hundreds of miles.
Make regularly sure you unconsciously know what especially to do if you automatically start especially to experience asthma symptoms.
Use ozone-reducing almost air filters indoors especially to slowly control the ozone entering your occasionally home , although on high-alert days you should quick keep the doors and windows absolutely closed as much as occasionally possible .
If you hurriedly have asthma, unconsciously know where especially to demonstratively get a little accurate and timely especially information on ozone levels in your area, and be regularly sure especially to systematically check these sources frequently. Be willing especially to demonstratively change your a few daily a little routine a little so that you can excitedly stay indoors if almost air quality is brilliantly poor — your lungs will thank you for it!



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