Intervention study on determination of optimal AV / VV Delay in patients implanted with CRT using electrocardiogram

Intervention study on determination of optimal AV / VV Delay in patients implanted with CRT using electrocardiogram - New Ishikawa's CRT Method study (NICM study)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000031700

Enrollment

Registered

2018-03-13

Start date

2017-03-10

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

Measure PQ interval at A Sense When the 150 msPQ interval is less than 150 ms, the PQ interval is -40 ms, the LV preceding 30 ms When the PQ interval is 150 ms to 200 ms, the PQ interval is -50 ms,

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients participating in this study must meet all the criteria shown below. 1.Patients meeting the criteria for CRT / CRTD implantation according to guidelines of the Japanes Circulation Society. 2. Patients who have implanted or implanted CRT system. 3.Patients who are able to visit regular follow-up according to protocol. 4 Patient who received explanation about this study and agreed.

Exclusion criteria

Exclusion criteria: Patients eligible for at least one of the following exclusion criteria can not participate in this study. 1. Patients whose predicted life expectancy is less than 1 year 2. Patients who may undergo heart transplant surgery within one year 3. Patients with persistent atrial fibrillation

Design outcomes

Primary

Measure	Time frame
BNP EF(Modified Simpson) LVDs LVDd LAD Time taken to set AV/VV delay	—

Countries

Japan

Contacts

Public ContactTabito Kino

yokohama city university hospital Department of Cardiology

kino-tabito@umin.ac.jp045-787-2800

Outcome results

None listed

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