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In vitro renal transport of organic ions during exposure to hyperbaric helium
organic ions hyperbaric helium vitro Pressure
2009/7/15
The possibility that hyperbaric helium can modify membrane function in nonneural cells was investigated by measuring the effect of pressure (29.6 atm He + 1.0 atm O2) on transport of the organic anion...
Cardiovascular and renal responses to head-out water immersion in canine model
cardiovascular cardiac output dog animal immersion renal
2009/7/15
Water immersion (WI) of anesthetized dogs to the midcervical level in the vertical sitting position under thermoneutral conditions (38 degrees C) leads to generalized increases in regional blood flows...
Seadragon VI: a 7-day dry saturation dive at 31 ATA. IV. Circadian analysis of body temperature and renal functions
helium heliox dry saturation thermoregulatory Circadian renal
2009/7/14
Circadian rhythms of body temperature and daytime rhythms of urine flow and urinary excretion of electrolytes were investigated in 4 male subjects before, during, and after a 7-d stay in a dry heliox ...
Four subjects were compressed to a simulated depth of 450 msw (46 bar) for 37 days in the main research chamber of the German underwater simulator diving facility at the GKSS Research Center, Geesthac...
Effects of the submarine environment on renal-stone risk factors and vitamin D metabolism
submarine nephrolithiasis vitamin D metabolism renal stone sunlight deprivation
2009/6/12
The effects of total sunlight deprivation on urinary risk factors for nephrolithiasis and vitamin D metabolism were studied in 20 healthy male subjects. Blood and 24-h urine samples were collected bef...
Diurnal renal responses in man to water loading at sea level and 31 atm abs
hyperbaric renal hydration Diuresis Circadian Rhythm
2009/6/9
The hyperbaric environment causes a sustained diuresis accompanied by normal water intake and a decrease in insensible water loss. The maintained water intake may be necessary for the maintenance of w...
Effect of hydration state on renal responses to head-out water immersion in conscious dogs
hydration renal immersion animal dog
2009/3/30
Renal responses to head-out water immersion (WI) (37 degrees C, WI 100 min) were studied in conscious, instrumented dogs during volume repletion (R), when all blood and urine losses were replaced with...
Mechanism of tolerance to renal ischemia in harbor seal: role of membranes
nitrogen animal rat harbor seal breath hold
2009/3/28
Many diving animals are capable of engaging in long breath-hold dives. Investigations were undertaken to compare the active tubular transport of organic ions between kidney slices from harbor seals (P...