arhythmia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: This study was performed in Xiangtan Central Hospital with consecutive pacemaker-indicated patients who received LBBaP or RVSP from February 2019 to May 2020, according to 2013 ESC/EHRA Guidelines on cardiac pacing.
Exclusion criteria
Exclusion criteria: 1. previously implanted with cardiac devices; 2. underwent cardiac resynchronization therapy (CRT); 3. moderate to severe valvular diseases; 4. acute or old myocardial infarction; 5. severe liver, kidney or lung dysfunction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| QRS duration;left ventricular ejection fraction (LVEF);left ventricular end-diastolic diameter (LVEDD);interventricular mechanical delay (IVMD);septal-posterior wall motion delay (SPWMD);pacing parameters;complications; | — |
Secondary
| Measure | Time frame |
|---|---|
| operation time;Radiation dose;stimulus to peak left ventricular activation time (S-PLVAT); | — |
Countries
China
Contacts
Department of Cardiology, Xiangtan Central Hospital