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Fig. 2 | Journal of Medical Case Reports

Fig. 2

From: The use of artificial intelligence and machine learning monitoring to safely administer a fluid-restrictive goal-directed treatment protocol to minimize the risk of transfusion during major spine surgery of a Jehovah’s Witness: a case report

Fig. 2

Time line of the Hypotension Prediction Index, mean arterial pressure, cardiac index, and stroke volume variation. The dotted line indicates an HPI of 90%, respectively the threshold MAP of 65 mmHg and SVV of 14%. The red line shows the the interventional HPI-cutoff of 70%. The dotted arrows demonstrate an example of an HPI-triggered intervention: The HPI (A) indicated an episode of hypotension prior to its onset (B) which was associated to an increase of the SVV (C). As a consequence a colloid bolus was administered lowering the SVV (D), simultaneously increasing the CI (E) and finally restoring the MAP (F). CI: Cardiac Index; HPI: Hypotension Prediction Index; MAP: Mean Arterial Pressure; SVV: Stroke Volume Variation

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Journal of Medical Case Reports

ISSN: 1752-1947