Document Detail


Probability of decompression sickness in no-stop air diving and subsaturation diving.
MedLine Citation:
PMID:  16457086     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Probabilistic models allow estimation of the probability (Pdcs) that decompression sickness (DCS) will occur in any particular dive. Our objective is to provide Pdcs estimates for no-stop diving instructions used by the U.S. Navy and various other navies. To do so, we develop statistics-based (probabilistic) and intuition-based (deterministic) models using dive-outcome data from the U.S. Navy Decompression Database. We give special attention to subsaturation dives (defined as no-stop dives shallower than 40 fswg with bottom times between 4 hr and one day), for which experimental dives are scarce. According to our models, probability of DCS is 2% or less for current U.S. Navy no-stop air dive schedules and near 1% for the navies of Great Britain, Canada, and France; also the current U.S. Navy prescriptions for subsaturation dives seem to be appropriate. Our probabilistic models fail for deep dives; they do not avoid observed DCS cases in the calibration dataset and provide longer no-stop times than allowed by tables used operationally; we advocate prescriptions by our deterministic model for deep no-stop dives.
Authors:
H D Van Liew; E T Flynn
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc     Volume:  32     ISSN:  1066-2936     ISO Abbreviation:  Undersea Hyperb Med     Publication Date:    2005 Sep-Oct
Date Detail:
Created Date:  2006-02-06     Completed Date:  2006-02-09     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9312954     Medline TA:  Undersea Hyperb Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  375-90     Citation Subset:  IM; S    
Affiliation:
Navy Experimental Diving Unit, Panama City, FL 32407, USA.
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MeSH Terms
Descriptor/Qualifier:
Algorithms
Calibration
Cohort Studies
Decompression Sickness / epidemiology*
Diving / adverse effects*,  standards
Humans
Models, Statistical*
Reference Values

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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