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NCT Number: NCT07237347

Perceptions and Ultrasound Literacy for Sound Volume Management

The aim of this study is to assess the knowledge, attitudes, and practices of ICU physicians in Switzerland regarding the use of ultrasound for fluid management and evaluation of venous congestion.

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Key information

Conditions

Ultrasound-guided Fluid Management ICU Physician Practices Venous Congestion Assessment Volume Responsiveness

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

About this study

This multicenter survey study aims to explore the experiences, perceptions, and attitudes of intensive care unit (ICU) physicians in Switzerland regarding the use of ultrasound for fluid management. The primary objective is to assess participants' knowledge of ultrasound techniques to predict fluid responsiveness and evaluate venous congestion. The study will also compare familiarity with traditional methods (e.g., central venous pressure, IVC-Inferior Vena Cava ultrasound) and newer approaches such as the VEXUS (Venous Excess Ultrasound Score) score or assessment of stroke volume changes during passive leg raise or mini fluid challenges.

Participants will complete an online questionnaire via REDCap, covering demographics, professional background, ultrasound training, knowledge and experience with ultrasound for volume management and venous congestion, as well as institutional factors and suggestions for improvement. The survey will be distributed to physicians working in ICUs at multiple Swiss hospitals, including the University Hospital Basel, Kantonsspital Aarau, Inselspital Bern, Spitalzentrum Biel, and Triemlispital Zürich. Participation is voluntary, and informed consent will be obtained electronically at the start of the questionnaire.

Who can participate

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • physicians working in ICUs
  • working in Switzerland

Exclusion criteria

-

Treatment and study plan

Quastionnaire

Other

physicians working in ICUs will complete a questionnaire through REDcap

Primary outcomes

  1. Physician Knowledge and Experience Using Ultrasound for Fluid Management and Venous Congestion

    Time frame: completion of questionnaire takes about 30 minutes

    The primary outcome is the proportion of ICU physicians in Switzerland who demonstrate knowledge and report regular use of ultrasound techniques for assessing fluid responsiveness and venous congestion, including traditional methods and newer approaches. Data will be collected through a structured online questionnaire.

Study contacts

Contact information is provided by the study sponsor or research team.

Gregor Loosen, MD

CONTACT

[email protected]

+41 61 55 65194

Sebastian Berger, MD

CONTACT

[email protected]

+41 61 32 84085

Sponsors and collaborators

Lead sponsor

University Hospital, Basel, Switzerland

Other

Registry information

Acronym: PULSE

Important dates

Study start
2025
Primary completion
2026
Study completion
2026
First posted
Nov 19, 2025
Registry last updated
Nov 19, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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