[abstract] INCIDENCE OF DECOMPRESSION SICKNESS (DCS) IN FOUR RECREATIONAL DIVING POPULATION SAMPLES

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[abstract] INCIDENCE OF DECOMPRESSION SICKNESS (DCS) IN FOUR RECREATIONAL DIVING POPULATION SAMPLES

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Title: [abstract] INCIDENCE OF DECOMPRESSION SICKNESS (DCS) IN FOUR RECREATIONAL DIVING POPULATION SAMPLES
Author: Vann, RD; DeNoble, PJ; Uguccioni, DM; Freiberger, JJ; Forbes, R; Pieper, CF
Abstract: INTRODUCTION: DAN's prospective observational research study of recreational diving, Project Dive Exploration (PDE), collects diver demographic and medical data, computer recorded depth-time profiles, and post-dive medical outcomes. We report on the DCS incidences in four PDE population samples. METHODS: We collected PDE data from live-aboard boats, shore and day boats, Scapa Flow wreck divers, and Cozumel dive guides during 1998-2002. Differences in DCS incidence between samples were tested by logistic regression with live-aboards as a reference. RESULTS: 4,255 divers conducted 6,397 dive series (each with 1-88 dives) involving 41,294 air and 7,254 nitrox dives. There were 26 DCS cases (9 Type I, 17 Type II). The table shows the DCS incidences (DCS per 10,000 dives and DCS per 100 divers) in the population samples. Live-aboards were significantly different from Scapa Flow and Cozumel guides but not from shore/day boats. DISCUSSION: PDE divers are a heterogeneous population with a wide range of DCS incidences. The mean incidence for the whole population is not representative. The chance of DCS could depend on severity, condition, and number of dives. Scapa Flow divers may have had the highest incidence per 10,000 dives because their dives were most severe. Cozumel guides may have had the highest DCS incidence per 100 divers because they dived most frequently. At 65percent, Type II DCS predominated in the PDE population.
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org )
URI: http://archive.rubicon-foundation.org/1419
Date: 2004

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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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