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Dissolved carbon dioxide levels don't affect cavitation intensity

Published in Cardiovascular Week, January 30th, 2006

Dissolved carbon dioxide levels don't affect cavitation intensity in mechanical heart valves (MHVs).

"MHVs are known to induce cavitation during closure and rebound," scientists in the United States explained. "Cavitation may lead to blood element damage and stable bubble formation, with the latter introducing emboli into the cranial circulation and increasing the risk of stroke," investigators in the United States report.

"Previous research has suggested that CO2 is the primary blood gas involved in stable bubble growth, due to its high solubility compared to that of oxygen or nitrogen," noted L.H. Herbertson and colleagues at...

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