Novel Device-based Algorithm Could Obtain Optimal Hemodynamics During Exercise in Patients with Cardiac Resynchronization Therapy: Results of Exercise Stress Echocardiographic Optimization

Novel Device-based Algorithm Could Obtain Optimal Hemodynamics During Exercise in Patients with Cardiac Resynchronization Therapy: Results of Exercise Stress Echocardiographic Optimization - ExerciseACRT

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000034718

Enrollment

Registered

2018-11-01

Start date

2017-04-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

heart failure

Interventions

Eligible patients were programmed optimal AV/VV delays manually (aCRT off) and aCRT algorithm on both at rest and exercise phase using the echocardiogram. We compared the maximum cardiac output using

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients With Heart Failure Previously Implanted with Device Based Algorithm AdaptivCRT In Cardiac Resynchronization Therapy

Exclusion criteria

Exclusion criteria: The Patients May Do Not Underwent The Exercise Stress Echocardiography

Design outcomes

Primary

Measure	Time frame
Echocardiography at Rest and Exercise Phase manually(aCRT off)and aCRT algorithm on 1.Trans Mitral Flow(in flow):E wave, A wave,DFT 2.LVOT-VTI 3.MR LV dP/dt	—

Countries

Japan

Contacts

Public Contactakira kasagawa

St. Marianna University School of Medicine Division of Cardiology

a2kasagawa@marianna-u.ac.jp0449778111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026