First experimental results with the oxygen electrode as a local blood flow sensor in canine colon

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Abstract
A modified oxygen electrode was tested against the electromagnetic flowmeter to see if its reading indicated blood flow to the canine colon. Although gross inflow was compared with local flow, the correlation was good in each of seven individuals (r ranged from 0.86 to 0.97). The closeness of the relative values gives the instrument potential for cheap, fast, repeatable and non-invasive estimation of regional blood flow, in colon and other exposed tissues.