WEDNESDAY, July 20 (HealthDay News) — Some U.S. soldiers returning from Iraq and Afghanistan are suffering unexplained breathing problems that may be related to exposure to unknown toxins, a new study indicates.
“Respiratory disorders are emerging as a major consequence of service in southwest Asia,” said study author Dr. Matthew S. King, an assistant professor of pulmonary and critical care at Meharry Medical College in Nashville, Tenn.
“In addition to our study, there have been studies showing increases in asthma, obstructive lung disease, allergic rhinitis and a general increase in reports of respiratory symptoms,” he added.
All the biopsies were abnormal, and the researchers diagnosed 38 soldiers with constrictive bronchiolitis. Constrictive bronchiolitis is a rare non-reversible lung disease in which the small airways in the lungs are compressed and narrowed by scar tissue or inflammation.
“This a very rare condition in otherwise healthy individuals and is generally untreatable,” King said. “We believe that it is caused by an inhalational exposure with which they have contact while in southwest Asia.”
And, while the results of the breathing tests were within normal ranges, they were worse than seen in other soldiers, the researchers found.
“The evidence that an inhalational exposure is the likely underlying cause of these problems is mounting, and we owe it to our military to launch further investigations so that we may improve prevention, detection, and treatment of these deployment-related respiratory diseases,” King said.
Dr. Michael Light, a professor of pulmonary medicine at the University of Miami Miller School of Medicine, said that “pulmonary abnormalities probably are real after exposure to whatever it might be, from Middle Eastern deployments.”
However, whether the people who live in these areas have similar problems isn’t known, Light said. “They’re exposed to the same things,” he said. “We don’t know if they get this problem.”
“This is a wake-up call that there may be ways that can reduce the impact of these exposures,” Light said.
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Tags: Breathing Problems, Iraq, Soldiers Returning