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Ambulatory Oxygen Therapy Fails to Improve the Quality of Life in COPD Patients
August 17, 2007 at 3:23 PM
General Health News
Ambulatory oxygen therapy is routinely prescribed for those who do not meet criteria for mortality reduction, wrote Roger S. Goldstein, M.B., Ch.B., Professor of Medicine and Physical Therapy at West Park Healthcare Centre in Toronto, lead author of the study.
[This study] suggests serious problems with the indiscriminate use of oxygen to relieve day-to-day dyspnea in patients with COPD without resting hypoxemia.
The study, which indicates that generalized treatment of COPD patients with ambulatory oxygen may be an unnecessary and inconvenient, and possibly even detrimental expense, appeared in the second issue for August of the American Journal of Respiratory and Critical Care Medicine, published by the American Thoracic Society.
For many patients, a diagnosis of COPD comes with a prescription for ambulatory oxygen, even when they do not meet the standard criteria for long-term oxygen treatment (LTOT). In 2002, Medicare paid $2.2 billion for home oxygen therapy.
The researchers conducted a series of double-blind N-of-1 trials wherein 27 COPD patients without resting hypoxemia underwent three pairs of two-week trials, using either oxygen or compressed air (as a placebo).
At the end of each trial period, patients were assessed with the Chronic Respiratory Questionnaire (CRQ) and St. Georges Respiratory Questionnaire (SGRQ), and given a timed walk test to assess their exercise performance. Neither the patients nor the assessors were aware of whether they had received oxygen or placebo during the trials.
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More News on: Reiki and Pranic Healing, Pneumoconiosis, Pulmonary Arterial Hypertension, Chronic Obstructive Pulmonary Disease, Altitude Sickness
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