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Table 3 Ability to predict increase in cardiac output ≥15% after infusion of 500 mL saline over 15 minutes

From: End-expiratory occlusion maneuver to predict fluid responsiveness in the intensive care unit: an echocardiographic study

Index

Best threshold

Gray zone

Patients whose measurements were in the gray zone

AUROC (95% CI)

Sensitivity (95% CI)

Specificity (95% CI)

Youden index J

ΔVTI

>9%

6–10%

20%

0.96 ± 0.03

89% (72–98%)

95% (77–100%)

0.85

ΔVmax

>8.5%

1–13%

62%

0.70 ± 0.07

64% (44–81%)

77% (55–92%)

0.42

  1. Best threshold value was determined using the Youden index. Youden Index J = Sensitivity + Specificity – 1. ΔVTI represents changes in velocity time integral induced by end-expiratory occlusion. ΔVmax represents changes in peak velocity induced by end-expiratory occlusion
  2. AUROC area under receiver operating characteristics curves, CI confidence interval
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Critical Care

ISSN: 1364-8535