ThepulmonarymicrocirculationoftheFontananimalmodelestablishedbytwodifferentprocedures,wasobservedbyusinglaserDopplerthermometer.Tenmongrelcanineswerepidedintotwogroupswith5ineachaccordingtodifferentsurgicalprocedures.ThemicrocirculationflowofthemiddleupperlobeofthepulmonarywasmeasuredbeforeandafterFontancirculationwasestablishedwhiletheleftsignofthecaninewasinstablecondition.Frictioninspirednooxygen