The Buteyko method or Buteyko Breathing Technique is a form of complementary or alternative physical therapy that proposes the use of breathing exercises primarily as a treatment for asthma and other respiratory conditions. The method takes its name from Ukrainian doctor Konstantin Pavlovich Buteyko, who first formulated its principles during the 1950s. This method is based on the assumption that numerous medical conditions, including asthma, are caused by chronically increased respiratory rate or deeper breathing (hyperventilation). However, this theory is not widely supported in the medical community due to the lack of evidence supporting either the theory behind the method or that it works in practice. This method purportedly retrains the breathing pattern through chronic repetitive breathing exercises to correct the hyperventilation, which, according to the method's proponents, will therefore treat or cure asthma as well as any other conditions purportedly caused by hyperventilation. At the core of the Buteyko method is a series of reduced-breathing exercises that focus on nasal-breathing, breath-holding and relaxation.
Opinion is divided on whether the Buteyko method confers any health benefits: some evidence suggests it may help alleviate asthma symptoms and improve quality of life.
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History
The Buteyko method was originally developed in the 1950s by physiologist Konstantin Buteyko in Russia. The first official study into the effectiveness of the Buteyko Method on asthma was undertaken in 1968 at the Leningrad Institute of Pulmonology. The second, held at the First Moscow Institute of Pediatric Diseases in April 1980, eventually led to the head of the ministry of health to issue an order (No 591) for the implementation of the Buteyko method in the treatment of bronchial asthma. Later, this method was introduced to Australia, New Zealand, Britain and the United States, where it has received increasing exposure. Anecdotal reports of life-changing improvements attributed to the Buteyko method abound on the Internet and in books.
The Buteyko method is just one of a number of breathing retraining methods in use for treating lung diseases, including conventional techniques such as physiotherapist led breathing exercises as well alternative medicine techniques like Buteyko such as yoga.
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Theory
The Buteyko method is based on the concept that "hidden" or undiagnosed hyperventilation is the underlying cause of numerous medical conditions, including asthma. It is known that hyperventilation can lead to low carbon dioxide levels in the blood (or hypocapnea), which can subsequently lead to disturbances of the acid-base balance in the blood and lower tissue oxygen levels. Advocates of this method believe that the effects of chronic hyperventilation would have even wider effects than is commonly accepted. These effects include widespread spasms of the muscle in the airways (bronchospasm), disturbance of cell energy production via the Krebs cycle, as well as disturbance of numerous vital homeostatic chemical reactions in the body. The Buteyko method is a purported method of "retraining" the body's breathing pattern to correct for the presumed chronic hyperventilation and hypocapnea, and thereby treat or cure the body of these medical problems.
The Buteyko method is not widely supported in the medical community, in part due to the fact that research has not supported this theory that hyperventilation and hypocapnea causes disease, with one review noting that there is no convincing evidence to indicate that trying to change asthmatic's carbon dioxide level is either "desirable or achievable." Studies that have looked for evidence to corroborate this theory, such as looking at the carbon dioxide levels in practitioners of Buteyko, have not found this evidence, leading some to propose alternate theoretical pathways for this method to improve symptoms.
Description
Although variations exist among teachers of the technique in different countries, the main objective is "normalization" of breathing and the three core principles of Buteyko remain the same: nasal breathing, reduced breathing and relaxation.
Nasal breathing
The Buteyko method emphasizes the importance of nasal breathing, which protects the airways by humidifying, warming, and cleaning the air entering the lungs. A majority of asthmatics have problems sleeping at night, and this is thought by Buteyko practitioners to be linked with poor posture or unconscious mouth-breathing. By keeping the nose clear and encouraging nasal breathing during the day, night-time symptoms can also improve. Strictly nasal breathing during physical exercise is another key element of the Buteyko method.
Reduced breathing exercises
The core Buteyko exercises involve breath control; consciously reducing either breathing rate or breathing volume. Many teachers refer to Buteyko as 'breathing retraining' and compare the method to learning to ride a bicycle. Once time has been spent practicing, the techniques become instinctive and the exercises are gradually phased out as the condition improves.
Buteyko uses a measurement called the Control Pause (CP), the amount of time between breaths that an individual can comfortably hold breath. According to Buteyko teachers, people with asthma who regularly practice Buteyko breathing will notice an increase in CP and decrease in pulse rate that corresponds to decreased asthma symptoms.
Relaxation
Dealing with asthma attacks is an important factor of Buteyko practice. The first feeling of an asthma attack is unsettling and can result in a short period of rapid breathing. By controlling this initial over-breathing phase, asthmatics can prevent a "vicious circle of over-breathing" from developing and spiraling into an asthma attack. This theory asserts that asthma attacks may be averted simply by breathing less.
Effectiveness
In 2015 the Australian Government's Department of Health published the results of a review of alternative therapies that sought to determine if any were suitable for being covered by health insurance; the Buteyko method was one of 17 therapies evaluated for which no clear evidence of effectiveness was found. A Cochrane review had earlier found "no reliable conclusions" could be determined based on the limited available evidence. A 2014 British clinical guideline said that for adults the Buteyko method could improve some asthma symptoms and quality of life, but that it had little impact on lung function.
Advocates of the Buteyko method report a wide range of other diseases and symptoms (numbering up to 150), including diabetes, reproductive disorders and psychological disorders, which they believe is aggravated by hyperventilation and hypocapnea, and therefore are treated by use of the Buteyko method. However, research into the effectiveness of Buteyko have focused almost exclusively on asthma with a small amount of research on sleep apnea. Members of the medical community have been skeptical of the efficacy of Buteyko due to the often "exaggerated and unsubstantiated claims" earlier made by Buteyko practitioners.
There are few high quality studies such as randomized controlled trials looking at the efficacy of treating asthma with "breathing retraining" methods in general, which include the Buteyko method, yoga training and other relaxation techniques. Many of the studies that have evaluated breathing retraining have significant methodological flaws, including small sample sizes, possible patient selection bias as well as heterogeneity in design that makes coming to a firm conclusion difficult. These studies are also hampered by the difficulty in proper blinding and placebo control which could introduce more bias into these studies.
Source of the article : Wikipedia
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