[abstract] UTILITY OF FIRST AID OXYGEN PRIOR TO RECOMPRESSION TREATMENT FOR DIVING INJURIES

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[abstract] UTILITY OF FIRST AID OXYGEN PRIOR TO RECOMPRESSION TREATMENT FOR DIVING INJURIES

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Title: [abstract] UTILITY OF FIRST AID OXYGEN PRIOR TO RECOMPRESSION TREATMENT FOR DIVING INJURIES
Author: Longphre, JP; Freiberger, JJ; DeNoble, PJ; Vann, RD
Abstract: BACKGROUND: First aid oxygen is recommended for decompression illness, however, there are few data describing its efficacy. MATERIALS AND METHODS: We used the Divers Alert Network Injury Database (1998-2003) to test the hypothesis that first aid oxygen (FAO) improves outcome as measured by the percent of divers reporting complete relief (CR) or improvement (IMP) at the following treatment time points: 1) after FAO only, 2) after the first recompression treatment and 3) at discharge. The association of FAO with more than one recompression treatment was also tested. FAO groups are defined as those who received FAO less than 6 hours or greater than 6 hours after symptom onset. FAO duration, flow rate, fraction, and mode were unknown. RESULTS: Column=FAO group, Row=Treatment time point No FAO, (n=1095) FAO less than 6 hours, (n=256) FAO greater than 6hours, (n=880), After FAO, prior to recompression N/A 20.8percent (CR), 77.2percent (IMP), n=101 10.4percent (CR), 58.3percent (IMP) n=230, After 1st recompression 47.6percent (CR), 93.5percent (IMP) n=840 65.2percent (CR), 96.3percent (IMP) n=234 50.1percent (CR), 93.3percent (IMP) n=636, At discharge 68.7percent (CR), 96.7percent (IMP), n=1077 69.1percent (CR), 97.2percent (IMP), n=251 70.1percent (CR), 98.0percent (IMP), n=856, Required greater than 1 recompression treatment 51percent (n=1068) 31percent (n=255) 48percent (n=850), (different compared with other FAO groups, = p= 0.01, = p= 0.0001, Chi Square). CONCLUSIONS: Before recompression, FAO given within 6 hours of symptom onset was associated with higher percentages of CR and IMP than FAO given at greater than 6 hours. After the first recompression, a higher percentage of divers who had received FAO at less than 6 hours obtained CR or IMP than those who had not. There was no difference at discharge. The FAO less than 6 hours group also had the highest percentage of the divers requiring only one recompression treatment. Divers treated until symptom resolution or plateau may explain this effect.
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org )
URI: http://archive.rubicon-foundation.org/1766
Date: 2005

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  • UHMS Meeting Abstracts
    This is a collection of the published abstracts from the Undersea and Hyperbaric Medical Society (UHMS) annual meetings.

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