| Decompression profile and bubble formation after dives with surface decompression: experimental support for a dual phase model of decompression. | |
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MedLine Citation:
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PMID: 14620098 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The present study was initiated in order to determine the effect of decompression profiles on bubble formation following surface decompression using oxygen. Following an air dive to 496 kPa (130 fsw) for 90 minutes, three different profiles were tested in the pig; a USN staged decompression profile, a profile using linear continuous decompression with the same total decompression time as the USN profile (ABI) and a linear profile with half the total decompression time compared to the the first two (ABII). The subsequent surface decompression at 220 kPa lasted 68 minutes for all three schedules. The study demonstrated that, following final decompression, the two linear profiles produced the lowest amount of vascular gas, with the fastest profile producing significantly less bubbles in the Pulmonary artery than the other two. Similar results were obtained in the jugular vein. The results are in qualitative agreement with model simulation using the Reduced Gradient Bubble Model (RGBM), demonstrating that the controlling tissues are reduced from those with a half time of 40 minutes using the USN procedure to 5 minutes using the fastest linear profile. |
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Authors:
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A O Brubakk; A J Arntzen; B R Wienke; S Koteng |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc Volume: 30 ISSN: 1066-2936 ISO Abbreviation: Undersea Hyperb Med Publication Date: 2003 |
Date Detail:
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Created Date: 2003-11-17 Completed Date: 2003-12-23 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9312954 Medline TA: Undersea Hyperb Med Country: United States |
Other Details:
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Languages: eng Pagination: 181-93 Citation Subset: IM; S |
Affiliation:
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Department of Physiology and Biomedical Engineering, NTNU, N-7006 Trondheim, Norway. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Decompression / methods*, standards Decompression Sickness / etiology* Diving / adverse effects, physiology* Female Jugular Veins* Male Models, Animal Oxygen / administration & dosage* Pulmonary Artery* Swine Water |
| Chemical | |
Reg. No./Substance:
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7732-18-5/Water; 7782-44-7/Oxygen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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