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A single-center retrospective study for the short-term efficacy of echocardiography in left bundle branch arael pacing

A single-center retrospective study for the short-term efficacy of echocardiography in left bundle branch arael pacing

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900020804
Enrollment
Unknown
Registered
2019-01-19
Start date
2018-02-01
Completion date
Unknown
Last updated
2019-01-28

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

Conditions

After the pacemaker

Interventions

Group 1:left bundle branch pacing
Group 2:Right ventricular septal pacing

Sponsors

Xiamen Cardiovascular Hospital; Xiamen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: (1) one week after left fascicle-branch regional pacing or right ventricular septal pacing; (2) patients with basic LVEF>40% and preoperative QRS time limit <120ms; (3) sign the informed consent.

Exclusion criteria

Exclusion criteria: (1) Cardiac muscle disease, congenital heart disease, valvular disease, heart failure or Cardiac Resynchronization Therapy (CRT) indications; (2) influence analysis of poor ultrasonic image quality; (3) Patients cannot cooperate with ultrasonic examination.

Design outcomes

Primary

MeasureTime frame
RR-Tmsv 16-SD;RR-Tmsv 12-SD;RR-Tmsv 6-SD;Tmsv16-SD (ms);Tmsv12-SD (ms);Tmsv6-SD (ms);AV-PV;Ts-2-RV;Ts-12-LV;LVDD;LVSD;LVDV;LVSV;LVEF;SV;MR;TR;—

Countries

China

Contacts

Public ContactSu Maolong

Xiamen Cardiovascular Hospital; Xiamen University

sumaolong@xmu.edu.cn+86 13860192011

Outcome results

None listed

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