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Review
. 2024 Dec 18;25(1):464.
doi: 10.1186/s12882-024-03856-9.

Modern tools for optimizing fluid management in dialysis patients: a comprehensive review

Sharad Patel  1   2   3 , Sandhya Ashokkumar  4 , Adam Green  4   5
Affiliations
Review

Modern tools for optimizing fluid management in dialysis patients: a comprehensive review

Sharad Patel et al. BMC Nephrol. .

Abstract

Maintaining optimal fluid balance is crucial for patients with end-stage renal disease on dialysis, as both fluid overload and excess removal can lead to poor outcomes. Traditional approaches such as physical exam and chest X-ray have limitations when assessing volume status. This review carefully examines the tools that provide more precise options, including lung ultrasound, echocardiography, Venous Excess Ultrasound (VEXUS), bioimpedance analysis (BIA), and passive leg raise (PLR). We discuss the principles, supporting evidence, and practical uses of these techniques differentiating between static and dynamic methods to evaluate ultrafiltration tolerance. By integrating these modern techniques with clinical judgment, nephrologists can optimize fluid management in dialysis patients. While these tools show promise, further research is needed to establish standardized protocols and evaluate their impact on patient-centered outcomes.

Keywords: Dialysis; Fluid overload; Ultrasound.

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Conflict of interest statement

Declarations. Ethics approval and consent to participate: Not applicable. Consent for publication: Not applicable Competing interests: The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
A Lung Ultrasound showing B-line pattern. B Lung ultrasound showing A-line pattern
Fig. 2
Fig. 2
IVC ultrasound image showing a plethoric IVC with minimal collapse suggestive of volume overload
Fig. 3
Fig. 3
A Mitral inflow Doppler. B Mitral TDI showing increased E/e' ratio
Fig. 4
Fig. 4
A Hepatic vein doppler waveform with referred flow pattern suggesting venous congestion. B Portal vein with pulsatility with > 50% suggesting venous congestion
Fig. 5
Fig. 5
PLR protocol
Fig. 6
Fig. 6
Integrated Fluid Removal Guidance (IFRG) algorithm
See this image and copyright information in PMC

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