Pulse Wave Transit Time (PWTT) for non-invasive preload assessment in healthy adults: a prospective randomized observational trial (PWTT volunteer-study)
- Conditions
- Hemodynamic monitoring, preload, non-invasive monitoring, pulse wave transit time, stroke volume.
- Registration Number
- DRKS00031978
- Lead Sponsor
- Klinik für Anästhesiologie, Universitätsmedizin Mainz
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 24
Inclusion Criteria
voluntary participation, written informed consent.
Exclusion Criteria
Cardiovascular diseases (in particular cardiac valve disease, hypotension or taking of any cardiovascular drugs), acute illness within 7 days prior to measurements, expected difficulties in TTE-measurements (e.g. adipositas per magna), peripheral vasoconstriction due to hypothermia, drugs or Raynaud syndrome, pregnancy.
Study & Design
- Study Type
- observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Changes in PWTT measurements 1 minute and 5 minutes after completion of each physical task as well as after return to baseline.
- Secondary Outcome Measures
Name Time Method Changes in hemodynamic parameters stroke volume (SV), heart frequency (HF) and mean arterial pressure (MAP) 1 minute and 5 minutes after completion of each physical task as well as after return to baseline.