[abstract] MONOPLACE HYPERBARIC CHAMBER USE OF U.S. NAVY TABLE 6 TO TREAT DECOMPRESSION SICKNESS AND GAS EMBOLISM-A 15-YEAR EXPERIENCE

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[abstract] MONOPLACE HYPERBARIC CHAMBER USE OF U.S. NAVY TABLE 6 TO TREAT DECOMPRESSION SICKNESS AND GAS EMBOLISM-A 15-YEAR EXPERIENCE

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Title: [abstract] MONOPLACE HYPERBARIC CHAMBER USE OF U.S. NAVY TABLE 6 TO TREAT DECOMPRESSION SICKNESS AND GAS EMBOLISM-A 15-YEAR EXPERIENCE
Author: Weaver, LK; Haberstock, D; Churchill, S
Abstract: BACKGROUND: Timely treatment with HBO2 for decompression sickness (DCS) and arterial gas embolism (AGE) can favorably influence outcome. Monoplace HBO2 chambers may be more proximate than multiplace chambers to some patients with dysbaric illnesses that warrant treatment with the US Navy Treatment Table 6 (TT6)1. Concerns (claustrophobia, access to patient, management of side effects, etc.) exist about the treatment of divers in monoplace chambers, especially if using the TT6. We report a 15-year experience using the TT6 in the monoplace hyperbaric chamber. METHODS: Retrospective chart review of all patients with DCS and AGE (78 patient charts from 1987-2002). All patients were treated in 100percent O2-filled monoplace chambers (2500B or 3200B, Sechrist Industries, Anaheim, CA). Air breathing periods were provided by a demand regulator (Elder Valve, Allied Healthcare Products, Inc., St Louis, MO), fitted with a SCUBA mouthpiece, supply pressure=85 psi; while the patient wore a noseclip (Welch Allyn, Inc., Skaneateles Falls, NY). Intubated patients were mechanically ventilated with a Sechrist 500A ventilator, with a modified circuit designed to provide air, when specified.2 RESULTS: There were 69 divers (DCS=60, AGE=8, falsefied DCS=1), 6 hospital-associated AGE, and 3 aviators (DCS). They received a total of 197 HBO2 exposures (TT6=102, TT5=43, and 2.0-2.4 atm abs x 90 minutes=52). Four of these patients were intubated, and received seven TT6. 95percent of the TT6 were tolerated, and completed. Four TT6 had extensions (3 with one extension-60 fsw, and 1 with two extensions-60 and 30 fsw). Failures to complete the TT6 were due to: Claustrophobia=2; pulmonary O2 toxicity=1; nausea=1; and seizure=1. CONCLUSIONS: The U.S. Navy TT6 is well-tolerated by patients with DCI, or hospital-associated AGE treated in monoplace hyperbaric chambers. 1. U.S.Navy Diving Manual, Best Publishing, Flagstaff, AZ, 1993:8-45. 2. Weaver LK. J Hyperbar Med 1998;3(3):179-86. USN treatment tables, TT6, monoplace chamber,
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org )
URI: http://archive.rubicon-foundation.org/1185
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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