Feasibility and variability of 2D Speckle Tracking Imaging for measuring left ventricular twist and untwisting on healthy subjects and congenital aortic valve stenosis patients

Feasibility and variability of 2D Speckle Tracking Imaging for measuring left ventricular twist and untwisting on healthy subjects and congenital aortic valve stenosis patients - 2DSTILV

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON32426

Enrollment

Registered

2009-02-09

Start date

2009-10-01

Completion date

Unknown

Last updated

2024-05-06

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

Conditions

Congenital valvular aortic stenosis

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Age >18 and /= 55%

Exclusion criteria

Exclusion criteria: LVEF

Design outcomes

Primary

Measure	Time frame
Peak systolic twist (degree per cm) Time to peak systolic twist (msec) Peak negative twist velocity (degree per second) Time to peak negative twist velocity (msec) % Untwisting at 20% of diastole (%)	—

Secondary

Measure	Time frame
Interobserver variability Intraobserver variability	—

Countries

Netherlands

Outcome results