[abstract] AN ASSOCIATION BETWEEN FLYING WITH SYMPTOMS OF DCS AND RESIDUALS AFTER RECOMPRESSION TREATMENT

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[abstract] AN ASSOCIATION BETWEEN FLYING WITH SYMPTOMS OF DCS AND RESIDUALS AFTER RECOMPRESSION TREATMENT

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Title: [abstract] AN ASSOCIATION BETWEEN FLYING WITH SYMPTOMS OF DCS AND RESIDUALS AFTER RECOMPRESSION TREATMENT
Author: Freiberger, JJ; DeNoble, PJ; Uguccioni, DM; Vann, RD
Abstract: BACKGROUND: Although studies have estimated the effect of early flying on the incidence of DCS after diving (1) the issue of whether flying with symptoms of DCS affects treatment outcome has not been explored. We used the DAN database from 1987 to 2000 to compare treatment outcomes as measured by the persistence of symptoms (residuals) in divers who: 1) flew with symptoms, 2) developed symptoms after flying, or 3) did not fly. METHODS: After eliminating air evacuations, 5505 cases remained for analysis. Logistic regression was used to compare the odds of residuals in the flying groups to the non-flying reference as corrected for age, height, weight, gender and severity, Presenting symptom severity groups were: Serious-Neurological, Cardio-pulmonary, Mild-Neurological, Pain, Lymphatic-skin, and Constitutional (reference). RESULTS: Although the effect was small, flying with symptoms was associated with residuals. Neurological symptoms (both severe and mild) and pain were also significantly associated with an adverse outcome. Age was statistically significant but of small magnitude. Flying Group n/total (percent) Residuals, Adjusted Odds ratio 95percent CI, Symptoms before flying 405/797 (49.2percent) 1.532 1.304, 1.78, Symptoms after flying 176/325 (45.8percent 1.291 1.026, 1.626, Did not fly 2740/4383 (37.5percent) 1 , Severity Group Adjusted Odds Ratio 95percent CI, Severe-Neurological 632/1395 (45.3percent) 1.766 1.445, 2.158, Mild-Neurological 726/1839 (39.5percent) 1.403 1.154, 1.703, Pain 529/1332 (39.7percent) 1.468 1.199, 1.799, Constitutional 210/689 (30.5percent) 1 , DISCUSSION: Flying with symptoms is associated with and adverse outcome. This effect is worse if the presenting symptoms are neurological in character and/or associated with pain. (1.) J. J. Freiberger et al., The Relative Risk Of Decompression Sickness During And After Air Travel Following Diving, 2001 UHMS Meeting, San Antonio (2002). HBO, diving, symptoms, flying, treatment outcome
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org )
URI: http://archive.rubicon-foundation.org/1141
Date: 2002

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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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