Impact of dual-chamber pacing on life qualities in sick sinus syndrome patients: comparison of optimized atrioventricular-delay and minimized right ventricular pacing

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-09000388

Enrollment

Unknown

Registered

2009-04-11

Start date

2009-04-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

sick sinus syndrome

Interventions

Group A:OAVP: optimized AV delay pacing with right ventricular pacing burden >90%

Group B:MRVP: with refined ventricular pacing function, keep right ventricular pacing burden<10%

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: sick sinus syndrome, indication type I or IIa, according to ACC/ACC guidelines

Exclusion criteria

Exclusion criteria: 1. Sick sinus syndrome, indication type IIb or III, according to ACC/ACC guidelines; 2. patients' expecting life span less than one year; 3. Unable to complete the measurement, for example, 6-minute walking distance, due to physical problems; 4. Patients who have attend another clinical trial which may influence the result of the study.

Design outcomes

Primary

Measure	Time frame
6-minute hall walking distance;The Minnesota Living with Heart Failure Questionnaire;echocardiography cardiac function index;	—

Secondary

Measure	Time frame
new onset of atrial fibrillation;	—

Countries

China

Contacts

Public ContactQiu Zhaohui

zhaohui_qiu@hotmail.com+86 021 62483180

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026