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Asthma kills 10 people in the United States every day, and many of these deaths are avoidable. It is time to redefine the disease and bring diagnosis and treatment into the 21st century, says an international panel of experts.
According to the Asthma and Allergy Foundation of America, 7.6 percent of adults and 8.4 percent of children in the U.S. have asthma. And in 2015, 3,615 people in the country died from it.
Worryingly, asthma kills indiscriminately. Anyone with asthma is at risk, and individuals with mild or moderate asthma - including those with few symptoms, who do not routinely take medication - die at roughly the same rate as those who are under specialist care due to their symptoms.
In a Clinical Commission report published in The Lancet, an international panel of experts criticizes the way that doctors view and treat asthma, saying that little progress has been made in the past 20 years.
So, why is asthma medicine stuck in the last century? Find out why experts think that it's time to redefine the term asthma, and why patients and doctors need to take an active part to make this a reality.
What asthma feels like
Experiencing asthma is a very personal journey; no two individuals have exactly the same triggers or symptoms, and one person's asthma attack might be very different from one day to the next.
Ezra Kirk - from Bath, in the United Kingdom - is heavily asthmatic. He told Medical News Todaythat his asthma attacks give him "[a] tight chest and [tight] shoulders, pressure everywhere above the diaphragm, including the face and head, a constant grasping for breath, and an inability to breath deeply."
Hannah Bastick - from Brighton, also in the U.K. - has a 2-year-old daughter who has been to hospital several times since birth with severe wheezing. "An attack is very scary as a parent," she told MNT. "I couldn't leave her to sleep by herself when it's obvious how little oxygen is getting into her lungs."
Her daughter's symptoms are triggered by severe colds, and she has been officially diagnosed with virally induced wheeze. "When she gets a bad cold, she becomes permanently wheezy within 24 hours," Ms. Bastick explained.
"It becomes increasingly severe until we don't feel safe enough for her to sleep unwatched, so we take her to the hospital. By this stage, her breathing is very labored and she 'grunts' with every [exhalation]."
The number of new asthma cases has been steadily rising since the 1980s. The condition is the third-ranking reason for children to be admitted to hospital, and it kills 10 U.S. individuals every single day.
The silent killer
Between 1980 and 2014, 157,066 people in the U.S. died as a result of asthma, according to a report published on September 26, 2017, in the journal JAMA.
Although the overall asthma death rate declined during this time period - from 2.2 to 1.2 deaths per 100,000 people - there was significant regional variation. For example, the highest death rates were found along the Southern half of the Mississippi River, in Georgia, and in South Carolina.
Globally, the asthma death rate has stagnated since 2006, reported a study using data from the World Health Organization (WHO) earlier this month in The Lancet. It remained at 0.19 deaths per 100,000 people during 2012.
A review of asthma deaths occurring between February 2012 and January 2013 conducted by the U.K. Royal College of Physicians found that 46 percent of these were potentially preventable.
Martyn R. Partridge - who is a professor of respiratory medicine at Imperial College London in the U.K. - wrote in the foreword to the report that "some results should unequivocally lead to a shake-up, more training and monitoring, and an end to the complacency that has arisen regarding this common condition."
This call to arms to challenge the common perceptions about asthma is echoed by Ian D. Pavord, a professor of respiratory medicine at the University of Oxford in the U.K. He is the lead author of the Commission's report on asthma, published earlier this month in The Lancet.
One name, many diseases
In their 51-page document, Prof. Pavord and his fellow Commissioners strongly criticize the lack of progress that the field of asthma has seen in the past 20 years.
One of the issues, as highlighted in the report, is that asthma is often diagnosed by looking at an individual's symptoms and carrying out a simple lung function test. But the Commissioners say that this is not specific enough.
They say, "[T]he notion that a rheumatologist diagnosing arthritis or a hematologist diagnosing anemia would generically treat patients without determining the specific cause and type of disease in the 21st century is absurd."
To achieve this, better biomarkers will be needed to help both patients and their doctors to move away from the diagnosis of "asthma" and clearly define which type of "chronic airway disease" they are dealing with.
In a radical step, the report goes beyond demanding better diagnosis and treatment by challenging the perception that asthma should be viewed as a life-long condition and treated as a chronic disease.
The focus should be on asthma prevention and asthma cure, the authors say.
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