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Thomas L. Petty, M.D. Professor of Medicine, Chairman, National Lung Health Education Program (NLHEP) |
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September 2001 Dear Friends: The
instrument which measures breathing capacity is called the spirometer.
It literally means air (spiro from Greek), measurement (meter from
Latin). The spirometer was invented in 1946 by John Hutchinson, a
surgeon in London. This simple
device proceeded the invention of the x-ray, the electrocardiogram, and the
blood pressure device (sphygmomanometer), by more than 50 years. But, spirometry is still not in the mainstream of medicine like the chest
x-ray, the EKG, and the blood pressure cuff. Why? This
remains an unanswered question. Recently,
I visited medical museums in Lund, Sweden and Copenhagen, Denmark.
Here the rich history of the development of medical technologies was
proudly displayed on the Continent where most of the major medical technologies
were introduced. Could it be that
the most valuable of medical instruments, the spirometer, which is predictive of
premature illness and death from all causes, got caught in the backwaters of
more impressive inventions which became established as the standard of care by
better salesmen than pulmonologists? Alas,
I fear the verdict is true, “We have found the enemy, and he is us.”
(borrowed from the comic strip, “Pogo”). We must abandon our parochial attitudes
about spirometry in modern day medical practice.
We need to blow away (sic.), the barriers that have limited the use of
spirometry to gauge health predictors and responses to therapy. I will be in touch next month.
Your friend,
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Published: Feb 22 2002