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Observational Study
. 2023 Jun 8;27(1):224.
doi: 10.1186/s13054-023-04524-4.

Prevalence of systemic venous congestion assessed by Venous Excess Ultrasound Grading System (VExUS) and association with acute kidney injury in a general ICU cohort: a prospective multicentric study

Stefan Andrei  1   2 , Pierre-Alain Bahr  3   4 , Maxime Nguyen  3   4 , Belaid Bouhemad  3   4 , Pierre-Grégoire Guinot  3   4
Affiliations
Observational Study

Prevalence of systemic venous congestion assessed by Venous Excess Ultrasound Grading System (VExUS) and association with acute kidney injury in a general ICU cohort: a prospective multicentric study

Stefan Andrei et al. Crit Care. .

Abstract

Background: The importance of assessing venous congestion in ICU patients is widely acknowledged, but its study is hampered by the lack of a practical evaluation tool. The Venous Excess Ultrasound Grading System (VExUS), based on a semi-quantitative combined ultrasound assessment, has been associated with acute kidney injury (AKI) in cardiac ICU patients. The objectives of this study were to assess the prevalence of congestion using VExUS in general ICU patients, and to evaluate the association between VExUS, AKI and death.

Methods: This prospective, observational study included adult patients within 24 h of ICU admission. VExUS and hemodynamic parameters were measured four times during the ICU stay: within 24 h of ICU admission, after day 1 (between 24 and 48 h), after day 2 (between 48 and 72 h), and last day of ICU stay. The prevalence of AKI during the first week in ICU and 28-day mortality were assessed.

Results: Among the 145 patients included, the percentage of patients with a VExUS score of 2 (moderate congestion) and 3 (severe congestion) was 16% and 6%, respectively. The prevalence did not change over the study period. There was no significant association between admission VExUS scores and AKI (p = 0.136) or 28-day mortality (p = 0.594). Admission VExUS ≥ 2 was not associated with AKI (OR 0.499, CI95% 0.21-1.17, p = 0.109) nor 28-day mortality (OR 0.75, CI95% 0.2-2.8, p = 0.669). The results were similar for VExUS scores measured at day 1 and day 2.

Conclusions: In general ICU cohort the prevalence of moderate to severe venous congestion was low. Early assessment of systemic venous congestion using VExUS scores was not associated with the development of AKI or with 28-day mortality.

Keywords: Acute kidney injury; Cardiac; Congestion; ICU; Mortality; POCUS; Sepsis; Ultrasound; VExUS.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
Alluvial diagram showing the profiles of evolution of VExUS during the first 72 h in ICU. Blue color—patients with admission VExUS ≥ 2. Red color—patients with admission VExUS < 2
See this image and copyright information in PMC

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