Comparison of re-test reliability and correlation of non-invasive stroke volume measurement by transthoracic echocardiography and impedance cardiography at rest in a healthy cohort

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00038449

Enrollment

Registered

2025-11-17

Start date

2026-02-23

Completion date

Unknown

Last updated

2026-02-02

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

Conditions

Methodological comparison study of non-invasive stroke volume measurement

Interventions

Group 1: Stroke volume measurement using power Doppler in the left ventricular outflow tract by transthoracic echocardiography Group 2: Stroke volume measurement using impedance cardiography

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: - No known cardiovascular diseases. - Informed consent for study participation.

Exclusion criteria

Exclusion criteria: - Presence of structural heart diseases or arrhythmias. - Known limitations that could affect the measurements (e.g., obesity with BMI > 30 kg/m², implants, pregnancy)

Design outcomes

Primary

Measure	Time frame
Re-test-reliability of both methods	—

Secondary

Measure	Time frame
Correlation between the stroke volume measurements of both methods	—

Countries

Germany

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 7, 2026