Method and device for assessing perfusion failure in a patient by measurement of blood flow
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United States of America Patent
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Jul 10, 2001
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N/A
app pub date -
Apr 2, 1999
filing date -
Jul 6, 1995
priority date (Note) -
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Abstract
Methods and devices are provided for assessing impairment of blood circulation in a patient, such as that in perfusion failure, by measurement of blood flow in the gastrointestinal tract or upper respiratory/digestive tract of the patient. The method comprises introducing a blood-flow sensor into the gastrointestinal tract or the upper respiratory/digestive tract of a patient, placing the sensor adjacent a mucosal surface therein, and measuring blood flow in adjacent tissue to determine blood flow in that tissue. The method may also involve measurement of PCO.sub.2 and/or pH in combination with the blood flow determination. The invention affords rapid measurement and detection of perfusion failure.
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