lunes, 12 de septiembre de 2016

COPD Deaths Down for Most Americans: CDC: MedlinePlus

COPD Deaths Down for Most Americans: CDC: MedlinePlus

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COPD Deaths Down for Most Americans: CDC

But rates up for black women and middle-aged people
Thursday, September 8, 2016
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THURSDAY, Sept. 8, 2016 (HealthDay News) -- Fewer Americans are dying from chronic obstructive pulmonary disease (COPD), but not black women and the middle-aged, a new government report shows.
Between 2000 and 2014, there was a 12 percent overall drop in deaths from the progressive lung disease, according to the U.S. Centers for Disease Control and Prevention.
Report co-author Hanyu Ni said the figures aren't unexpected, noting that "the declines in the COPD-related mortality are consistent with declines in the prevalence of current smoking for men and women in the United States."
But, Ni added, the study only quantified death rate trends, and didn't look at the reasons behind those trends. Ni is an associate director for science with the CDC's division of vital statistics at the U.S. National Center for Health Statistics.
Dr. David Mannino, who's with the University of Kentucky's College of Public Health, agreed that the study "results are not surprising." He, too, cited the nationwide decline in smoking, the number one cause of COPD.
"Smoking is the biggest factor driving COPD deaths in the U.S.," said Mannino, a professor of medicine in the division of pulmonary, critical care and sleep medicine.
Chronic obstructive pulmonary disease is a progressive disease of the airways that makes it difficult to breathe. COPD includes emphysema and chronic bronchitis. It's the third biggest killer in the United States, and most people with COPD are current or past smokers, according to the U.S. National Heart, Lung, and Blood Institute.
For the study, Ni's team reviewed data collected by the National Vital Statistics System between 2000 and 2014.
The report painted a mixed picture of risk.
For example, while men saw their COPD fatality rate drop by nearly 23 percent, women saw their rate fall by just 4 percent.
Age also played a role. Men between the ages of 65 and 84 saw their death rate drop by nearly 30 percent, while those 85 and older saw their rate dip by 23 percent. But for men between 45 and 64, the death rate rose by nearly 13 percent.
Similarly, women between 65 and 84 saw their death rate drop by 16 percent. But those between 45 and 64 saw a rise of 24 percent, while the death rate among those 85 and older increased more than 6 percent.
When the numbers were broken down by race, white women saw little change during the study period, while black women saw their death rate rise by 4 percent. Conversely, white men experienced a drop of 21 percent, while black men saw a decline of more than 24 percent.
Ni would not speculate on what might explain the gender gap or racial differences.
Mannino, formerly chief science officer of the CDC's Air Pollution and Respiratory Health Branch, suggested that additional factors unrelated to smoking history might affect COPD death trends. Those factors include poverty and/or lack of access to health care, "and may explain some of the racial differences," he said.
Michelle Mielke is an associate professor and epidemiologist with the Mayo Clinic in Rochester, Minn.
"This report further highlights the need to consider sex as part of individualized medicine," she said. "Indeed, future research should continue to stratify by sex when considering [the] risk of COPD-related mortality."
The findings were published in the September issue of the NCHS Data Brief.
SOURCES: Hanyu Ni, Ph.D., M.P.H., associate director, science, U.S. National Center for Health Statistics, Division of Vital Statistics, U.S. Centers for Disease Control and Prevention; David Mannino, M.D., chair, department of preventive medicine and environmental health, and professor, medicine, division of pulmonary, critical care and sleep medicine, College of Public Health, University of Kentucky, Lexington; Michelle Mielke, Ph.D., associate professor, division of epidemiology, department of health sciences research, and associate professor, department of neurology, Mayo Clinic, Rochester, Minn.; September 2016, NCHS Data Brief
News stories are provided by HealthDay and do not reflect the views of MedlinePlus, the National Library of Medicine, the National Institutes of Health, the U.S. Department of Health and Human Services, or federal policy.
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