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Chest, Vol 87, 373-376, Copyright © 1985 by American College of Chest Physicians

ARTICLES

Pulmonary epithelial permeability after inhaling saline, distilled water "fog" and cold air

C Borland, A Chamberlain, B Barber and T Higenbottam

It is recognized that hyperventilation of cold air and the inhalation of fine mists of distilled water provoke significant bronchoconstriction in the asthmatic individual, yet little is known as to how these provocations affect the structural integrity of the alveolar epithelial membrane. In 11 normal subjects, the following effects have been studied: cold air hyperventilation for three minutes, inhalation of 80 L of ultrasonically nebulized distilled water "fog," and 80 L of isotonic saline "fog" on the half time clearance (T1/2) from the alveoli of technetium 99m diethylene triamine penta acetate (DTPA), inhaled as an aerosol. The DTPA T1/2 provided a measurement of pulmonary epithelial permeability.




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Copyright © 1985 by the American College of Chest Physicians.