Hypovolemia assessment with inferior vena cava collapsibility index in cardiac surgery patients: a cross-sectional study.

J Cardiothorac Surg · 2026 · PMC12896192 · PMID 41545839

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a nonsignificant trendno p-value reported

In addition, a nonsignificant trend toward a higher inferior vena cava collapsibility index was observed in patients with longer preoperative fasting (Fig. 1 ).

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