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Dual doppler dynamics: integrating femoral venous doppler and VExUS for predicting organ dysfunction in acute heart failure
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Dual doppler dynamics: integrating femoral venous doppler and VExUS for predicting organ dysfunction in acute heart failure
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Journal Article
Dual doppler dynamics: integrating femoral venous doppler and VExUS for predicting organ dysfunction in acute heart failure
2025
Overview
Background
Heart failure (HF) leads to venous congestion (VC), leading to organ dysfunction. Traditional VC assessments include pulmonary artery catheterization and IVC ultrasound. Newer tools like venous excess ultrasound (VExUS) and femoral venous doppler (FVD) quantify VC severity. We aimed to compare FVD with VExUS score to predict organ dysfunction and its progression in acute HF patients.
Methods
We conducted a 6-month prospective study in a 36-bed Cardiac ICU, enrolling 111 adults with acute decompensated HF. We evaluated FVD and VExUS to predict organ dysfunction and its progression. Key parameters were recorded on ICU admission and Day 3. We followed up patients at 90-days using the MAKE-90 criteria. Sensitivity, specificity, and predictive values of FVD and VExUS were calculated and compared using McNemar’s test.
Results
VC was higher in the organ dysfunction group, with higher VExUS scores (55% vs. 31%,
p
= 0.018) and FVD-defined congestion (85% vs. 57%,
p
= 0.002). This group also revealed worse LUS, lower TAPSE:PASP ratios, more severe AKI, higher creatinine, and increased use of non-invasive ventilation (all
p
< 0.01). Mortality (39% vs. 24%) and MAKE-90 events (56% vs. 39%) were higher but not statistically significant. FVD had higher sensitivity but lower specificity than VExUS in detecting AKI, and lung congestion. VExUS had higher specificity for RV coupling and organ dysfunction; FVD correlated more with organ dysfunction.
Conclusion
FVD and VExUS provide complementary insights into venous congestion, reinforcing the need for an integrated approach rather than reliance on a single modality. A multimodal strategy combining these tools with clinical and biochemical markers may offer a more precise framework for guiding management in acute heart failure.
Trial registration
This trial was registered with Clinical Trial Registry-India (
https://www.ctri.nic.in/
), Trial No—CTRI/2023/10/058186 on 3/10/2023.
