[abstract] ENERGY BALANCE DURING A 24-DAY DRY HELIOX SATURATION DIVE TO 18.6 ATA (HANA KAI II).

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[abstract] ENERGY BALANCE DURING A 24-DAY DRY HELIOX SATURATION DIVE TO 18.6 ATA (HANA KAI II).

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Title: [abstract] ENERGY BALANCE DURING A 24-DAY DRY HELIOX SATURATION DIVE TO 18.6 ATA (HANA KAI II).
Author: Webb, P; Troutman, SJ; Frattali, V; Dwyer, J; Moore, TO; Morlock, JF; Smith, RM; Ohta, Y; Hong, SK
Abstract: Since previous saturation dives have caused loss of body weight despite apparently adequate to high food intake, a complete study of energy balance was undertaken during Hana Kai II. Over a 30-day period in the hyperbaric chamber (3 days of predive control, 17 days at 18.6 ATA, 7 days of decompression, and 3 days of postdive control), all food, urine and feces for 5 men were analyzed by bomb calorimetry; 24-hr energy expenditure (M) was measured from continuous V02 ' VC02, and urine N; body weight was taken daily; body composition was assessed from density, total body water, and skinfold thickness. Food intake was high throughout the 30 days, about 3500 kcal/ day, while fecal and urinary losses were a normal 6-8% of intake; M was increased a little by the hyperbaric condition, but averaged only about 2500 kcal/ day; yet there was an average loss of adipose tissue of 0.8 kg. Nitrogen balance was positive. There was no evidence of heat gain or loss. The energy balance--total fuel compared with energy expenditure--required adding about 900 kcal/ day to the expenditure side, an unidentified term which is not measured by conventional techniques. (This research was supported by ONR Contract N00014-175-C-0404, N00014-67-A-0387-0016, and N00014-74-C-0381 with funds provided by the Naval Medical Research and Development Command, NOAA Sea Grant 04-3-158-29 and State of Hawaii MAC's Office Task Order MT-OOl.)
Description: Abstract of the Undersea and Hyperbaric Medical Society, Inc. Annual Scientific Meeting held May 12-13, 1976. Carillon Hotel, Miami Beach, FL (http:www.uhms.org)
URI: http://archive.rubicon-foundation.org/5252
Date: 1976

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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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