Monday, September 19, 2011

COPD- Future Diagnostic Challenge

If you were to have a group of 100 Canadians in a room, four of them would have heart disease, one of them would be newly diagnosed with cancer, eight would have kidney disease and three of them would have type one diabetes. You would need to have a room holding a thousand Canadians before you would find one with AIDS.
But back to that original room of one hundred, there would a significant amount coughing and hacking from COPD (Chronic Obstructive Pulmonary Disease), twenty five percent to be exact. Currently, COPD is the fourth cause of death in the world, behind heart disease, CVA and lower respiratory infections.
Yet this is a condition that goes largely undiagnosed and treated until it is too late.
Why?
One reason could be that COPD is a broad based term for a number of different diseases. It also doesn't have a set criteria of classification. When does that annoying cough you've had for a month actually become defined as COPD?
But one reason it may go undiagnosed is because the test used to test for COPD is not found in the traditional medical disciplines of Medical Laboratory Science or Diagnostic Imaging. COPD is diagnosed by a test called spirometry.
This procedure measures airflow from lungs and determines if there are any obstructions present which could be causing COPD.
In 2000, it was estimated that 13 million Americans were undiagnosed with COPD. An office version of spirometry would be used the measure the forced expiratory volume at 6 seconds (VEV6) to screen for COPD.
Whatever version of spirometry used, this a test diagnostic facilities should investigate the feasibility of implementing. Accreditation agencies should also be involved to make sure that all spirometry testing is standardized. Finally, clinicians and patients should be educated about this test and the impact COPD will have on Canada's healthcare system.
If anything, it will help those 1 in 4 Canadians breathe a little bit more easier.

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