CPAP treatment in patients with OSA. Overnight ...

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CPAP treatment in patients with OSA. Overnight decrease in hematocrit after nasal http://chestjournal.chestpubs.org/content/97/3/729 can be found online on the ...
Overnight decrease in hematocrit after nasal CPAP treatment in patients with OSA. J Krieger, E Sforza, M Barthelmebs, J L Imbs and D Kurtz Chest 1990;97;729-730 DOI 10.1378/chest.97.3.729 The online version of this article, along with updated information and services can be found online on the World Wide Web at: http://chestjournal.chestpubs.org/content/97/3/729

Chest is the official journal of the American College of Chest Physicians. It has been published monthly since 1935. Copyright1990by the American College of Chest Physicians, 3300 Dundee Road, Northbrook, IL 60062. All rights reserved. No part of this article or PDF may be reproduced or distributed without the prior written permission of the copyright holder. (http://chestjournal.chestpubs.org/site/misc/reprints.xhtml) ISSN:0012-3692

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Jean Krieger M. D. ; Emilia Sforza, Jean-Louis Imbs, M.D.; and Daniel

To clarify the paradox of a decrease in urine and sodium excretion occurring along with the elimination of peripheral edema when patients with obstructive sleep apnea (OSA) are treated with nasal continuous positive airway pressure (CPAP), we investigated the immediate effects of this treatment on the hematocrit and red blood cell count in eight patients with OSA. The hematocrit decreased in all patients, from a mean of 45.6±1.2 percent to 43.0± 1.4 percent, with a parallel decrease in the red blood cell count from 4.777 ± 0. 168 millions/cu mm to 4.577 ± 0. 174 millions/ Cu mm (p