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MONDAY, Nov. 17 -- Almost one in three adults who've been told they have asthma may not have the chronic airway disease, new Canadian research claims.
The study, published in the Nov. 18 issue of the Canadian Medical Association Journal, included nearly 500 adults from eight Canadian cities. Researchers found that about 30 percent of those diagnosed with asthma had been misdiagnosed.
"When we evaluated these people with lung function tests and then took them off their medications, we couldn't find asthma in 29 percent of the non-obese and 32 percent of the obese," noted study author Dr. Shawn Aaron, head of the division of respiratory medicine at the Ottawa Health Research Institute at the University of Ottawa, Ontario.
Aaron said the original goal of the study was to see if asthma was misdiagnosed more often in obese individuals, because the prevalence of asthma is twice as high in this group. However, he said, there was no statistical difference in the rates of overdiagnosis ...
THURSDAY, Nov. 8 -- BOTOX® seems to relieve shoulder pain in arthritis sufferers, a preliminary study found.
"We don't recommend people start using it until we have the definitive study," said study author Dr. Jasvinder Singh, a staff physician at the Minneapolis VA Medical Center. He said his study was small, and more patients needed to be assessed before the treatment could be recommended.
Singh was to present his findings Friday at the American College of Rheumatology annual meeting, in Boston.
Singh and his colleagues randomly assigned 43 patients with moderate-to-severe osteoarthritis pain in their shoulders to one of two groups. One group received a single dose of the botulinum toxin type A and lidocaine, a local anesthetic. The other group got a dose of saline (salt water) plus the lidocaine. Neither group knew what they were receiving.
Osteoarthritis is the "wear-and-tear" type of arthritis, and the risk for it increases with age, obesity and other factors. About 2 ...
WASHINGTON, D.C., February 9 -- The excessive sweating condition known as hyperhidrosis can be a debilitating and life-inhibiting disorder if left untreated. Fortunately for patients with hyperhidrosis, dermatologists are successfully using several treatments -- including local injections of BOTOX® (botulinum toxin) -- to prevent the pain of perspiration.
Speaking at the 62nd Annual Meeting of the American Academy of Dermatology (AAD), dermatologist Dee Anna Glaser, MD, Vice Chairman, Dermatology Department, Saint Louis University School of Medicine, St. Louis, Mo., discussed the safety and effectiveness of five hyperhidrosis treatments, ranging from botulinum toxin to surgery.
Medical condition, not cosmetic
Hyperhidrosis is a chronic medical disorder that results in the production of excessive sweat. A recent study determined that the condition -- once thought to be rare -- actually affects approximately 2.8 percent of the U.S. population, or 7.8 million people. Even more com ...