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N2,H2,and N2O antagonism of high pressure neurological syndrome in mice
high pressure neurological syndrome animal mice nitrogen hydrogen nitrous oxide helium
2009/7/20
N2,H2,and N2O antagonism of high pressure neurological syndrome in mice.
Inability of helium to influence the occurrence of arrhythmias in cats,rats,and mice
arrhythmia helium animal cat rat mice cardiac
2009/7/20
Inability of helium to influence the occurrence of arrhythmias in cats,rats,and mice.
Heart rate and respiratory frequency in hydrostatically compressed,liquid-breathing mice
decompression liquid breathing
2009/7/20
The effects of hydraulic compression on heart rate and respiratory frequency were studied in liquid-breathing, hypothermic (17-31 degrees C) mice. Increasing the hydrostatic pressure caused a bradycar...
The histopathology of dysbaric osteonecrosis and the influence of the number of exposures, compression rate, and obesity on the incidence and latency of the lesion were studied in 438 mice (2505 bones...
Direct measurement of helium elimination in mice
decompression animal mice helium elimination Immersion
2009/7/20
Direct measurement of helium elimination in mice.
Evidence of bacteremia and endotoxemia in mice undergoing hyperbaric stress
animal mice bacteremia endotoxemia Endotoxins microbiology
2009/7/20
Swiss albino mice were exposed to normoxic (PO2 approximately 0.2 ATA) helium at 1, 20 or 35 ATA for 2 or 48 h and examined for the presence of bacteria and endotoxin in selected tissues. Among mice e...
Adrenal function and the incidence of bends after decompression in mice: effect of adrenalectomy,corticosteroids, decompression intensity,and time of day
decompression adrenalectomy decompression intensity
2009/7/17
The adrenocortical endocrine subsystem has been demonstrated to enhance mammalian tolerance to harsh environmental conditions, including hypoxia and temperature extremes. In a series of factorial expe...
Amelioration of decompression sickness in mice by pretreatment with cyproheptadine
decompression animal mice drug
2009/7/17
Substances that stimulate smooth muscle have been previously implicated in the pathogenesis of decompression sickness. This concept was strongly supported by the demonstration that compounds that comb...
Pharmacological evidence for multiple sites of action of pressure in mice
high pressure nervous syndrome animal mice drug heliox
2009/7/16
The ability of eight diverse pharmacological agents to ameliorate the high pressure nervous syndrome (HPNS) in mice was studied. Data were obtained for the end points: coarse tremors, complete spasms,...
Effects of variations in time pattern of nitrogen addition on development of HPNS in mice
drug high pressure nervous syndrome animal mice heliox trimix
2009/7/16
The effect of change in injection pattern in nitrogen on threshold pressures of three symptoms associated with compression in helium/nitrogen atmospheres was explored. Excitement threshold pressures d...
Sperm maturation associated with subfertility following hyperbaric exposure of mice
animal mice Sperm maturation
2009/7/14
Mice exposed to 50 ATA heliox pressure during one spermatogenic cycle subsequently exhibit subfertility which can recover over an 8-wk period. This study was designed to investigate the changes in spe...
Skin allograft rejection and hyperbaric oxygen treatment in immune-histoincompatible mice
HBO hyperbaric immunosuppressive animal mice animal mice immune
2009/6/12
The effect of hyperbaric oxygen (HBO) as an immunosuppressive agent was evaluated by using a highly immunogenic skin allograft mouse model. Immune-histoincompatible female C57BL/6 and BALB/c mice (N =...
Effects of hyperbaric oxygen on S-180 sarcoma in mice
Sarcoma 180 hyperbaric superoxide dismutase animal mice
2009/6/9
The contents of oxygen free radicals (OFRs) and malondialdehyde (MDA) in S-180 sarcoma tissues were measured in four groups of mice: an untreated normoxic group, a normoxic hyperbaric group, a hyperba...
Effect of 12 atmospheres helium-oxygen on the response of mice to convulsant drugs
helium heliox helium convulsant drug air animal mice
2009/6/8
The mechanism by which 12 atm abs of a helium-oxygen gas mixture (heliox) antagonizes behavioral effects of ethanol is unknown. Although the threshold for pressure-reversal of general anesthesia and e...
Cell proliferative modulation of MCG 101 sarcoma from mice exposed to hyperbaric oxygenation
hyperbaric animal mice lactate dehydrogenase
2009/6/8
Tumor cell kinetics were studied in C57 Bl/J mice with a transplantable sarcoma, MCG 101, exposed to hyperbaric oxygen (HBO2), 2.8 atm abs, 2 hours daily for 9 days or until spontaneous death. The iso...