995-17 Are Intracoronary Doppler Flow Velocity Measurements Accurate for Assessment of Coronary Flow Reserve?

Shammas, Nicolas W.; Thondapu, Venkata; Antonio, Juan; Lopez, Gloria V.; Winniford, Michael D.; Rossen, James D.

doi:10.1016/0735-1097(95)92794-6

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1996

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“…Although the two measurements were correlated, there was considerable variability with regard to predicting one variable from the other. These results suggest that coronary flow reserve derived from flow velocity measurements cannot accurately reflect true flow reserve within individual patients unless one fixes arterial diameter to a constant value using intravenous continuous infusion of low dose nitroglycerine or intracoronary nitroglycerine [7,15,16]. This technique may obviate the need for the measurement of coronary arterial diameter.…”

Section: Discussionmentioning

confidence: 94%