Compression pressure of the subclavian vein: force measurements via a microconvex ultrasound probe up to vessel occlusion as a function of different positioning maneuvers in healthy volunteers

Compression pressure of the subclavian vein: force measurements via a microconvex ultrasound probe up to vessel occlusion as a function of different positioning maneuvers in healthy volunteers - SubPress 1

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00033551

Enrollment

Registered

2024-02-20

Start date

2024-03-04

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Z51

Interventions

Group 1: Sonographic imaging of the subclavian vein with the microconvex ultrasound probe in cross-section close to the clavicle and measurement of the force required up to complete compression of the

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Healthy volunteers

Exclusion criteria

Exclusion criteria: - Age < 18 years - Hypoplastic left arm - Clavicle fracture acutely or in the past - Condition post thoracic wall surgery - pace maker, port or other devices in central veins - Heart valve disease or right heart insufficiency - Unability to lie in Anti-Trendelenburg, horizontal or Trendelenburg position - Restricted rotation of the head - Restricted shoulder-arm movement - Wound/ skin irritation in the measurement area

Design outcomes

Primary

Measure	Time frame
Force up to full compression of the subclavian vein with a microconvex ultrasound probe during different positioning maneuvers	—

Secondary

Measure	Time frame
Cross sectional area of the subclavian vein under the same positioning maneuvers	—

Countries

Germany

Contacts

Public ContactAndreas Meiser

Universitätsklinikum des SaarlandesKlinik für Anästhesiologie, Intensivmedizin und Schmerztherapie

andreas.meiser@uks.eu068411630613

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026