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COPD Health Center

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Beta-Blockers May Help COPD Patients

Medication May Cut Respiratory Flare-ups in Patients With Chronic Obstructive Pulmonary Disease
WebMD Health News
Reviewed by Laura J. Martin, MD

May 24, 2010 -- Beta-blocker medications, which are not commonly prescribed for patients with chronic lung disease, may actually be of benefit to them, according to a new study.

The medications, prescribed for high blood pressure and cardiac disorders, may help lengthen survival and reduce respiratory flare-ups, according to a team of Dutch researchers.

In years past, doctors have hesitated to give beta-blockers to these patients with chronic obstructive pulmonary disease (COPD) because of concerns that the drugs might have adverse effects on the lungs.

The new study suggests otherwise. ''Our study is the first that clearly gives a hint that beta-blockers could also exert a pulmonary beneficial effect as shown by their reduction of exacerbations," says study researcher Frans Rutten, MD, PhD, an assistant professor of medicine at the Julius Center for Health Sciences and Primary Care at the University Medical Center Utrecht, Netherlands.

The study is published in the Archives of Internal Medicine.

Research in 2002 showed that beta-blockers that are cardioselective (preferentially affecting the heart, not other body systems) are well-tolerated in those patients with COPD, says Rutten.

Other research showed that patients with heart failure plus COPD and those with COPD who had suffered heart attacks did well on beta-blockers, too, Rutten says.

Beta-Blockers and COPD

In the new study, Rutten and his colleagues looked at 2,230 men and women, age 45 and older, who had gotten a diagnosis of COPD between 1996 and 2006. COPD includes emphysema, chronic bronchitis, or both. About 16 million Americans have COPD, according to the National Lung Health Education Program. COPD is mainly caused by smoking.

Those with COPD are also prone to develop cardiovascular disease and often need medications to treat both the cardiovascular disease and the lung disease. Examples of beta-blockers are atenolol (Tenormin), metprolol (Lopressor, Toprol-XL), and carvedilol (Coreg).

In the study, nearly 30% were on beta-blockers while others were on different kinds of cardiovascular drugs, sometimes in combination.

During the 7.2-year average follow-up, 686 patients, or about 31%, died, and 47.3% or 1,055, had at least one episode of worsening of COPD.

Those who took a beta-blocker were 32% less likely to die during the study follow-up and 39% less likely to have worsening of COPD than those who didn't use the drugs.

Ideally, Rutten says, the next step is to compare beta-blockers with placebo in patients with COPD, both with and without co-existing cardiovascular disease and high blood pressure, to confirm the results.

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