Effect of long-term hyperbaric stress on ammonia metabolism in humans. 1978

S C Gilman, and W L Hunter, and L W Mooney, and R J Biersner

A significant increase in blood urea was found in 11 U.S. Navy divers during 8 d of air saturation hyperbaric exposure. Similar increases in blood urea have been found in animals that convulsed during hyperbaric oxygen exposure. Therefore, it is suggested that careful attention be given to blood ammonia and urea levels in humans during long-term hyperbaric exposure.

UI MeSH Term Description Entries
D008297 Male Males
D009326 Naval Medicine The practice of medicine concerned with conditions affecting the health of individuals associated with the marine environment. Nautical Medicine,Medicine, Nautical,Medicine, Naval
D001806 Blood Urea Nitrogen The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nitrogen concentration because of the greater protein content of red blood cells. Increases in blood or serum urea nitrogen are referred to as azotemia and may have prerenal, renal, or postrenal causes. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984) BUN,Nitrogen, Blood Urea,Urea Nitrogen, Blood
D004242 Diving An activity in which the organism plunges into water. It includes scuba and bell diving. Diving as natural behavior of animals goes here, as well as diving in decompression experiments with humans or animals. Divings
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006931 Hyperbaric Oxygenation The therapeutic intermittent administration of oxygen in a chamber at greater than sea-level atmospheric pressures (three atmospheres). It is considered effective treatment for air and gas embolisms, smoke inhalation, acute carbon monoxide poisoning, caisson disease, clostridial gangrene, etc. (From Segen, Dictionary of Modern Medicine, 1992). The list of treatment modalities includes stroke. Oxygenation, Hyperbaric,Hyperbaric Oxygen Therapy,Hyperbaric Oxygen Therapies,Hyperbaric Oxygenations,Oxygen Therapies, Hyperbaric,Oxygen Therapy, Hyperbaric,Oxygenations, Hyperbaric,Therapies, Hyperbaric Oxygen,Therapy, Hyperbaric Oxygen
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000641 Ammonia A colorless alkaline gas. It is formed in the body during decomposition of organic materials during a large number of metabolically important reactions. Note that the aqueous form of ammonia is referred to as AMMONIUM HYDROXIDE.
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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