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Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients

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Published on: April 18, 2025

[Ultrasonography in the hyperhydrated patient].

Michele Prencipe¹, Alessandro D'Amelio, Filippo Aucella

¹U.O.C. Nefrologia e Dialisi, Ospedale Casa Sollievo della Sofferenza', San Giovanni Rotondo, Foggia, Italy.

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia

|December 12, 2012

Summary

Achieving normal hydration in hemodialysis patients is crucial. Ultrasound measurement of the inferior vena cava (IVC) diameter offers a reliable method to assess fluid status, aiding in achieving dry weight and improving patient outcomes.

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Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

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Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

Published on: January 13, 2023

Area of Science:

Nephrology
Cardiovascular Physiology

Background:

Normal hydration is a key goal in hemodialysis, reliant on accurate "dry weight" estimation.
Clinical assessment of hydration in hemodialysis patients is often imprecise and unreliable.
Inferior vena cava (IVC) diameter measurement shows promise for assessing fluid status.

Purpose of the Study:

To evaluate the utility of inferior vena cava (IVC) diameter measurement for assessing hydration status in hemodialysis patients.
To explore the relationship between IVC diameter variations and weight loss during hemodialysis.
To determine the reliability of hydration assessment methods in hemodialysis.

Main Methods:

Ultrasound measurement of the inferior vena cava (IVC) diameter.
Assessing the variation in IVC diameter before and after hemodialysis sessions.
Correlating IVC diameter changes with weight loss and hydration status.

Main Results:

Ultrasound measurement of IVC diameter is a valid and routinely usable method for assessing hydration in hemodialysis patients.
A relationship exists between IVC diameter variation, weight loss, and hydration status.
Hydration assessment using blood pressure and central venous pressure is reliable only in patients without heart failure signs.

Conclusions:

Inferior vena cava (IVC) diameter measurement by ultrasound is a reliable tool for assessing hydration status in hemodialysis.
This method can assist clinicians in achieving target dry weight more effectively.
Clinical hydration assessment should consider potential confounding factors like heart failure.