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Objective: This study was undertaken to evaluate transit-time flow (TTF) as a tool to detect technical errors in arterial bypass grafts intra-operatively and predict outcomes. Methods: TTF's three parameters, pulsatility index (PI, index of resistance), flow (ccmin −1 ) and diastolic filling (DF, proportion of diastole with coronary flow), were measured in 990/1000 (99%) of arterial grafts...
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