Controlling Asthma With Effective Treatment and Management

by Shirley Johanna on  May 22, 2017 at 7:09 PM Respiratory Disease News
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Asthma is a chronic, non-communicable respiratory condition that affects over 300 million people (10% of them being in India) and kills nearly 250,000 people every year. Even though awareness about asthma has increased, it remains a major global health problem.
Controlling Asthma With Effective Treatment and Management
Controlling Asthma With Effective Treatment and Management

There is no cure for asthma, but with proper treatment and care, people can lead normal lives. However, poor control of asthma, and poor access to quality asthma treatment, can lead to serious consequences. Management of asthma is very much about controlling the condition with effective treatment. Strangely, for a condition that is so common, and can cause serious illness or death if not treated, there is no gold standard definitive diagnostic test for it. A clinical diagnosis based on symptoms is all that we have.

The Global Initiative for Asthma (GINA) defines asthma by the 'history of respiratory symptoms such as wheeze, shortness of breath, chest tightness and cough that vary over time and in intensity, together with variable expiratory airflow limitation.'

This, coupled with the fact that asthma symptoms mimic other respiratory diseases, could often lead to misdiagnosis. Whilst in the past, asthma was often under-diagnosed, the pendulum now seems to have swung the other way, at least in some countries. Referring to a paper published by two London doctors in the Archives of Disease in Childhood, BBC says that 'asthma is now being over-diagnosed and trivialized, and that too many children are incorrectly diagnosed with asthma, with inhalers being dispensed for no good reason'.

The paper asks doctors to consider the use of more objective checks-testing nitrogen oxide levels and blood tests -if they are unsure about a diagnosis. And if a child is not getting better despite asthma medication, then, instead of increasing doses automatically, the possibility of an incorrect diagnosis should be considered.

In another study done in Canada, a research team found that one-third of the adults diagnosed with asthma in the past 5 years showed no signs of the condition on retesting—either because it had got better or they were wrongly diagnosed in the first place. They were able to safely stop taking asthma medicines under medical supervision.

While the problem of unnecessary and over the treatment of asthma seems to be present in the developed countries, many people around the world still lack access to basic effective treatment.

In a webinar recently organized by CNS (Citizen News Service), Dr Kevin Mortimer, Department of Respiratory Medicine, Liverpool School of Medicine, stressed that poor asthma control and poor access to quality asthma treatment, can lead to serious consequences and impairments. He informed that the inhaler treatment comprises of reliever treatment— as and when required, and regular preventive treatment that can stop the symptoms from arising in the first place.

Inhaled corticosteroids are the most important asthma drugs and are on the WHO essential medicines list. They remain out of reach for many of the world's poor who have asthma. Most rural areas are underserved by health services. To achieve effective asthma care for all, especially the rural poor, health systems need to be strengthened, and a key part of that strengthening is having access to funded basic quality asthma treatment, believes Dr Mortimer.

Prof Surya Kant, Head of Respiratory Medicine Department, King George's Medical University, recommends a 6-D approach for management of asthma:
  • Doctor (who knows how to deal with asthma
  • Diagnosis (correct diagnosis)
  • Drug/Dosage (prescribe correct drug in right doses)
  • Device (select the correct device for drug delivery)
  • Deliberation (interaction with patient for proper care)
  • a(D)herence (to inhalation treatment therapy as advised by the doctor)
While there is an effective treatment available to keep asthma under control in the majority of cases, Dr Mortimer acknowledges that "Our understanding of the disease (why do some people get it and others not, what factors contribute to its development, etc) remains poor. There are many subtypes of asthma, and it is not a single entity, as we normally believe. So there are about 10% patients whose asthma does not respond fully even to the best treatments available. We do not know why, but perhaps some genetic factors play a part in these cases."

Indoor and outdoor air pollution, occupational exposure to polluted air, and tobacco smoke are all associated with the development and exacerbation of asthma. Every individual can contribute to controlling asthma in their own way by changing current practices.

The most obvious one is to stop smoking. Active, as well as passive, tobacco smoking is closely associated with the development of asthma, the progression of asthma and reduced impact of inhaled corticosteroids. Anyone smoking anywhere around the world is contributing to this problem.

Smoking is a completely avoidable risk factor as far as asthma- and other respiratory diseases too-are concerned. Next is household air pollution that arises mainly through the use of biomass fuel—burning of crop refuse, charcoal, kerosene, wood, etc in open fires. Then again, people who drive diesel cars in the city, need to rethink about their choice of transport and their choice of fuel, as motor vehicle smoke is another source of outdoor air pollution. What we need are strategies at the global level to clean up the air we breathe, says Dr Mortimer.

Physical exercise must be encouraged in people with asthma, even though some of them might be sensitive to exercise and get an exercise-induced bronchial spasm. Dr Mortimer advises two precautions that can minimize any adverse effects of exercise on one's asthma
  • Take basic preventive treatment regularly and correctly to control airway inflammation
  • Pre-medicate to avoid flaring up asthma symptoms during exercise
This would involve taking the reliever inhaler just before the exercise and also having it ready at hand, if need arises during exercise.

Chakatip Kiatduriyakul, a finance expert from Thailand, is one of the many people who have been managing their asthma very well. She shares, "I had asthma from age 6 until age 20. After that I had it only intermittently. But in 2007, when there was a lot of smoke in Chiang Mai (due to crop burning), my asthma came back and this time it lasted longer than usual. The conditions that I have to watch out are dust, smoke, heat, over-exercise and stress."

"As Thailand has universal health coverage (UHC), asthma medication is free for me. When the symptoms start, it is best to take medication right away otherwise it can worsen quickly. Other than doing regular physical exercise, I use meditation and music to help reduce the intensity of asthma attacks. Sometimes drinking strong coffee helps too, in the case of mild symptoms. It is also important to live in a clean environment. Too much stuff collects dust, which is a known trigger for asthma. So I either throw away or donate unused stuff regularly. Having lots of free space is good for the mind, as controlling stress is another key part of keeping asthma away."

Source: Shobha Shukla, Citizen News Service - CNS

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