Significant Weight Loss Cuts the Risk of Asthma Attacks

By  ,  Onlymyhealth editorial team
Mar 16, 2015

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Major weight loss after procedures such as bariatric surgery has been found to significantly reduce the risk of asthma attacks in obese patients suffering from asthma. The lead author of the study Kohei Hasegawa from Massachusetts General Hospital said that they found that in obese patients with asthma, the possibility of emergency department visits as well as hospitalization for asthma exacerbations decreased by half in two years post bariatric surgery.

Bariatric surgery and asthma symtoms

The researcher also added that for the first time significant weight reduction could help reduce serious asthma-related health problems. Studies done in the past on whether the impact of non-surgical weight loss interventions reduced asthma attacks or not have been overthrown by this recent research which critically stresses on the use of surgical weight loss interventions to reduce asthma attacks. Non-surgical weight loss interventions barely changed anything for the better.

In the present study, the researchers had identified 2, 261 obese individuals suffering from asthma who had undergone bariatric surgery from the year 2007 until 2009. For these individuals, information covering two years before as well as after surgery was available.

The analysis of the data from the patients shoes that during the two years before surgery, 22 percent of the patients had undergone at least one emergency department visit or hospitalization in one-year period.

Two years post surgery, only 11 percent of the patients needed an emergency visit or admission in the hospital in each year. Looking at the hospitalization alone showed that there was a greater risk of reduction from seven percent per year to less than 3 percent.

Hasegawa said, “Bariatric surgery is a costly procedure that has its own risk factors that may offset the benefits regarding the risk of asthma exacerbation for some patients. To decrease asthma-related adverse events in the millions of obese individuals with asthma, we probably will need to develop safe, effective non-surgical approaches to achieve major weight loss.

The study had appeared online in the Journal of Allergy and Clinical Immunology.

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