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BRANFORD, Conn., Feb. 5, 2013 (GLOBE NEWSWIRE) --
CAS Medical Systems, Inc. (Nasdaq:CASM) ("CASMED") announced today the recent pre-publication of a key study showing otherwise unrecognized cerebral desaturation events occurred in more than half of post-surgical ICU patients.
In a study led by Steven Greenberg, M.D. from the University of Chicago and the North Shore University Health System in Evanston, Illinois, clinicians monitored post-cardiac surgery patients during their first six hours in the post-surgical intensive care unit. The study, "Cerebral desaturation events in the intensive care unit following cardiac surgery", pre-published by the Journal of Critical Care and available at
http://dx.doi.org/10.1016/j.jcrc.2012.09.004 , revealed that 53% of the 53 patients studied suffered from low levels of brain oxygen (oxygen desaturations) that were otherwise unrecognized by standard monitoring. More than half of those brain oxygen desaturation events lasted more than one hour. The mortality rate amongst the group that experienced brain oxygen desaturations was 5 out of 28, or 18%, while no one in the non-desaturation group died.
"We believe that this study is the first of its kind, largely because few clinicians thought that unrecognized cerebral desaturations would occur after the conclusion of surgery," Dr. Greenberg reported. "We were quite surprised to discover the high incidence of cerebral desaturations, the length of time that these patients spent in a desaturated state, and the rate of mortality amongst the cerebral desaturation group."
"The ability of the FORE-SIGHT Oximeter to provide highly accurate measurements of cerebral oximetry without the need for a baseline or a pre-induction value proved to be crucial in both the design and successful conduct of this study," Dr. Greenberg continued. "And while more study is necessary, these data suggest that there may be an important role for cerebral oximetry monitoring in the ICU."