| Laboratory assessment of fitness to fly in patients with lung disease: a practical approach. | |
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MedLine Citation:
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PMID: 10968494 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To identify patients with respiratory disease, who may be at risk of developing respiratory distress during commercial air travel, a hypoxia inhalation test (HIT) can be performed. This paper reports our experience of using such a test combined with an interpretation algorithm in a routine respiratory function laboratory. Twenty-eight patients were studied. Baseline oxygen saturation (Sa,O2) was measured using a pulse oximeter. If Sa,O2 was < 90% no HIT was performed and the patient was assessed as unfit for air travel. If baseline Sa,O2 was > or = 90% an HIT was performed by the patient breathing through a 35% Venturi mask supplied with 100% nitrogen which reduced inspiratory oxygen fraction to 15.1+/-0.2%. Results were interpreted using a locally derived algorithm, and validation was attempted using a questionnaire to investigate subsequent symptoms during travel. All patients tolerated the assessment well. Twenty-two patients were assessed as "fit to fly" with a further two patients "fit to fly with supplemental O2". Four patients were considered unfit to fly. Hypoxic response could not be predicted from either forced expiratory volume in one second, or pretest saturation. Validation of such protocols is difficult, but the hypoxia inhalation test may be a useful tool for predicting hypoxia during air travel in patients with chronic respiratory disease. |
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Authors:
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A G Robson; T K Hartung; J A Innes |
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Publication Detail:
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Type: Journal Article; Validation Studies |
Journal Detail:
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Title: The European respiratory journal : official journal of the European Society for Clinical Respiratory Physiology Volume: 16 ISSN: 0903-1936 ISO Abbreviation: Eur. Respir. J. Publication Date: 2000 Aug |
Date Detail:
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Created Date: 2000-12-04 Completed Date: 2000-12-14 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 8803460 Medline TA: Eur Respir J Country: DENMARK |
Other Details:
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Languages: eng Pagination: 214-9 Citation Subset: IM |
Affiliation:
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Respiratory Function Laboratory, Western General Hospital, Edinburgh, Scotland, UK. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aerospace Medicine
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methods* Aircraft* Anoxia / etiology Forced Expiratory Volume Forecasting Humans Laboratory Techniques and Procedures Lung Diseases / complications, diagnosis, physiopathology* Oximetry Oxygen / blood Physical Fitness* Questionnaires Travel* |
| Chemical | |
Reg. No./Substance:
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7782-44-7/Oxygen |
| Comments/Corrections | |
Comment In:
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Eur Respir J. 2000 Aug;16(2):197-9
[PMID:
10968490
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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