Intended for healthcare professionals

Randomised controlled trial assessing the impact of a nurse delivered, flow monitored protocol for optimisation of circulatory status after cardiac surgery

Moira McKendry, Helen McGloin, Debbie Saberi, Libby Caudwell, Anthony R Brady, Mervyn Singer
Table 2

Management of patients in four hours after cardiac surgery. Values are means (standard deviations)

MeasureControl group (n=85)Protocol group (n=89)P value
Fluid requirement:
Colloid (ml)1042 (620)1667 (464)<0.001
Crystalloid (ml)328 (99)353 (95)0.09
Change in measure:
Stroke volume (ml)−10.2 (18.4)1.5 (18.9)<0.001
Cardiac output (l/min)−0.46 (1.68)0.45 (1.98)0.001
Corrected flow volume (ms)−32.5 (59.7)−6.2 (67.5)0.007
Peak velocity (cm/s)−2.7 (16.6)2.6 (14.4)0.03
Arterial base excess (mmol/l)−0.73 (1.60)−0.54 (2.19)0.50