Speckle Tracking imaging for the Assessment of cardiac Resynchronization Therapy

Speckle Tracking imaging for the Assessment of cardiac Resynchronization Therapy - START study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000003018

Enrollment

200

Registered

2010-02-01

Start date

2009-09-01

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

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Heart failure patients who is treated with CRT/CRT-D according to the Japanease Circulation Society guideline.

Exclusion criteria

Exclusion criteria: 1) less than 20 year old age 2)no informed consent 3)chronic atrial fibrillation (other than full VVI pacing because of bradycardia) 4)severe systemic diasease ohter than heart diasease with life expectancy of less than one year. 5)schedule for or within 3 monthes after cardiac surgery, including open chast operation, coronary artery bypass graft, percuataneous coronary artery intervention 6)unable to folow up 1 year 7)inadequate to perticipate to the study from the medical point of view

Design outcomes

Primary

Measure	Time frame
Left ventricular endsystolic volume reduction (>15%)after 6 month and Improvement of NYHA class after 6 month	—

Countries

Japan

Contacts

Public ContactYoshihiro Seo

University of Tsukuba, Graduate School of Comprehensive Human Sciences Cardiovascular Division

Outcome results