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The relationship between venous gas bubbles and adverse effects of decompression after air dives
bubbles intravascular gas bubbles Doppler echocardiography decompression stress
2009/6/2
The presence of gas bubbles in the vascular system is often considered a sign of decompression stress and several studies in the existing literature have addressed the relationship between the amount ...
Effect of varying deep stop times and shallow stop times on precordial bubbles after dives to 25 msw (82 fsw)
Decompression DECOMPRESSION SICKNESS deep stops DOPPLER Humans
2009/6/2
In our previous research, a deep 5-min stop at 15 msw (50 fsw), in addition to the typical 3-5 min shallow stop, significantly reduced precordial Doppler detectable bubbles (PDDB) and "fast" tissue co...
Doppler detection of circulating bubbles in attendants, decompressed on oxygen, following routine hyperbaric treatments
Hyperbaric Oxygenation Decompression doppler bubble tender staffing Occupational Exposure Occupational
2009/5/26
A pilot study was carried out to examine the
incidence of doppler-detectable circulating bubbles in hyperbaric
chamber attendants following routine chamber
treatment profiles. Bubbles were detected...
There is general agreement that the basic problem in
decompression is gas coming out of solution and forming a
gas phase. However, it is also well known that a
considerable number of bubbles can be...
Tear film bubbles and decompression illness. Finally diagnostic test to cry for?
Bubbles decompression illness hyperbaric research
2009/5/18
This presentation is intended to outline what may, in
time, prove to be an important diagnostic tool for
Effect of air, heliox, and oxygen breathing on air bubbles in aqueous tissues in the rat
helium heliox retinal eye decompression diffusion decompression sickness animal rat air chamber
2009/3/30
Our purpose was to examine the behavior of air bubbles in three non-lipid tissues (skeletal muscle, tendon, and the anterior chamber of the eye) during breathing of air, helium-oxygen (heliox, 80:20),...
Effect of He-O2, O2, and N2O-O2 breathing on injected bubbles in spinal white matter
oxygen heliox decompression animal ratnitrous oxidespinal white matter
2009/3/30
Injected air bubbles in spinal white matter in the rat were studied at 1 bar after decompression from an exposure to air at 3.1 bar (absolute) for 4 h. During air breathing all injected bubbles grew f...
Effect of peripheral temperature on the formation of venous gas bubbles
cold decompression bubble formation peripheral temperature extremities
2009/3/30
Temperature of the tissue affects the many components involved in the formation of tissue gas phase formation: diffusion, perfusion, and inert gas solubility. Since the effects of perfusion and inert ...
Relationship between venous bubbles and hemodynamic responses after decompression in pigs
decompression animal pig pulmonary model
2009/3/28
We present a new pig model for studying relationships between venous gas bubbles and physiologic effects during and after decompression. Sixteen pigs were anesthetized to allow spontaneous breathing. ...
In vitro activation of human complement by nitrogen bubbles
decompression nitrogen human complement
2009/3/26
Complement activation may be responsible for some of the symptoms of decompression sickness. In the present study, complement activation was studied by exposing human sera with or without red blood c...
Influence of heliox, oxygen, and N2O-O2 breathing on N2 bubbles in adipose tissue
oxygen heliox decompression animal rat nitrous oxide adipose tissue
2009/3/26
Bubbles in rat adipose tissue were studied at 1 bar after decompression from an exposure to air at 3.3 bars (absolute) for 4 h. During air breathing the bubbles grew throughout the observation period...
Simulation of the dynamics of decompression sickness bubbles and the generation of new bubbles
decompression nitrogenbubbles
2009/3/25
This communication introduces a system of equations for simulating the dynamics of growth and decay of decompression bubbles. The equations are solved by a numerical method and account for gas diffusi...
Venous gas embolism：time course of residual pulmonary intravascular bubbles
CO2 carbon dioxide nitrogen pulmonary airanimal dog Venous gas embolism
2009/3/23
The time course of pulmonary intravascular air emboli was studied in anesthetized dogs. In one series of experiments air was infused into the right atrium at 0.10 ml.kg-1.min-1 or 0.25 ml.kg-1.min-1 f...