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- W2359039673 abstract "Objective To investigate the correlation between the slope of flash-replenishment curve of ultrasonic contrast imaging and the flow velocity in the model of microcirculatory dynamics.Methods An in-vitro model of microcirculatory dynamics was built up using pump-ultrafiltration fiber system made by ourselves.The values of β(the slope rate of time-intensity curve of contrast)derived from the flash-replenishment imaging technique were measured at the flow velocity of 0.25 mm/s,0.5 mm/s,1 mm/s,2 mm/s,4 mm/s,8 mm/s,respectively.The correlation between the values of β and the different flow velocities was analyzed.Results The value of β and flow velocity correlated well within the range of 2 mm/s-8 mm/s(r=0.97).On the other hand,the correlation of β and flow velocity from 0.25 mm/s to 1 mm/s was poor(r=0.44).Conclusion It is a complex problem that the correlation between the value of β and microcirculation flow velocity is poor when the velocity is slower than 1 mm/s.The perfusion quantification for the very low flow velocity demands further research." @default.
- W2359039673 created "2016-06-24" @default.
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- W2359039673 date "2007-01-01" @default.
- W2359039673 modified "2023-09-28" @default.
- W2359039673 title "Correlation between slope rate of flash-replenishment curve of ultrasonic contrast imaging and the flow velocity in the model of microcirculatory dynamics:initial exploration" @default.
- W2359039673 hasPublicationYear "2007" @default.
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