Document Detail


Comparison of domiciliary oxygen using liquid oxygen and concentrator in northern Taiwan.
MedLine Citation:
PMID:  24445009     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND/PURPOSE: Long-term oxygen therapy has become standard treatment for patients with chronic respiratory insufficiency. However, patterns of long-term home oxygen therapy have not been well studied in Taiwan. Oxygen concentrator systems are commonly used in Taiwan, but liquid oxygen delivery systems are portable and may provide advantages over the concentrator system. This study compared oxygen usage between patients from a liquid oxygen group (LOG) and an oxygen concentrator group (OCG). The authors also assessed the physiologic responses of patients with chronic obstructive pulmonary disease (COPD) to ambulatory oxygen use at home.
METHODS: The study used a retrospective, cross-sectional, observational survey design. The LOG comprised 42 patients, and the OCG comprised 102 patients. We recruited participants in northern Taiwan from July 2009 to April 2010. The questionnaire instruments that were used to collect data consisted of three parts: demographic characteristics, devices used in respiratory care, and activity status with portable oxygen. Two-minute walking tests were performed on COPD patients in their homes.
RESULTS: COPD was the most common diagnosis in our study, with more than 50% of patients who received oxygen long term in both groups having received this diagnosis. The LOG used oxygen for an average of 21.7 hours per day, whereas OCG averaged 15.2 hours per day (p<0.001). In the OCG, 92.2% of patients used a concentrator alone, whereas 23.8% of the LOG used liquid oxygen alone (p<0.001). The LOG patients were involved in significantly more outdoors activities (p=0.002) and reported traveling with oxygen more often (p<0.001) than the OCG patients. For patients with the same dyspnea level of COPD severity, those using liquid oxygen had a lower increase in pulse rate after the walking test, in comparison with the concentrator users.
CONCLUSION: Patients in the LOG used oxygen for longer hours, went on more outings, and were more likely to travel with oxygen than patients in the OCG. Being ambulatory with liquid oxygen might enable patients with COPD to walk more effectively.
Authors:
Chien-Ling Su; Chun-Nin Lee; Hui-Chin Chen; Ling-Pei Feng; Hui-Wen Lin; Ling-Ling Chiang
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Publication Detail:
Type:  Journal Article     Date:  2012-06-21
Journal Detail:
Title:  Journal of the Formosan Medical Association = Taiwan yi zhi     Volume:  113     ISSN:  0929-6646     ISO Abbreviation:  J. Formos. Med. Assoc.     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2014-01-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9214933     Medline TA:  J Formos Med Assoc     Country:  China (Republic : 1949- )    
Other Details:
Languages:  eng     Pagination:  23-32     Citation Subset:  IM    
Copyright Information:
Copyright © 2012. Published by Elsevier B.V.
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