Document Detail


EFFECTS OF MODERATE ALTITUDE ON PATIENTS WITH PULMONARY AND CARDIAC IMPAIRMENT.
MedLine Citation:
PMID:  14229744     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Twenty ambulatory patients with severe chronic pulmonary disease and 24 with severe heart disease were exposed in an altitude chamber to a simulated altitude of 8000 feet such as might exist in pressurized aircraft. Eight of the patients in the pulmonary group experienced undersirable reactions related to hypoxia, hypoventilation, inability to hyperventilate and expansion of gases. None of the 24 patients with cardiac disease experienced this same difficulty and all tolerated the procedure well. The ability to tolerate the stress of moderate altitude is related more to ventilatory efficiency and the maintenance of adequate oxygen saturation than to cardiovascular factors. It is recommended that a thorough evaluation of the cardio-pulmonary patient by clinical and physiological tests be made before exposure to altitude. When severe impairment is demonstrated, the subject may still be able to tolerate moderate altitudes if appropriate measures are provided to cope with the altered physiologic conditions.
Authors:
J F TOMASHEFSKI; F H SHILLITO; C E BILLINGS; W F ASHE
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  California medicine     Volume:  101     ISSN:  0008-1264     ISO Abbreviation:  Calif Med     Publication Date:  1964 Nov 
Date Detail:
Created Date:  1965-03-01     Completed Date:  1996-12-01     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0410260     Medline TA:  Calif Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  358-62     Citation Subset:  OM    
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MeSH Terms
Descriptor/Qualifier:
Aerospace Medicine*
Altitude*
Anoxia*
Heart Diseases*
Lung Diseases*
Stress, Physiological*
Comments/Corrections

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