Bradycardia
Conditions
Interventions
Group 1:Phase I: optimal rate-response feature
Phase II: default rate-response feature
Group 2:Phase I:default rate-response feature
Phase II: optimal rate-response feature
Sponsors
Shanghai Chest Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1 Sign the informed consent and indicate the date of signing; 2 Patients who aged 18 to 80 years; 3 Patients with sick sinus node syndrome who have received pacemaker implantation and survived the acute postoperative period (3 months); 4 Patients who have been identified for exercise testing.
Exclusion criteria
Exclusion criteria: 1 Basic heart rate is above 95 BPM; 2 Persistent or permanent atrial fibrillation patients; 3 NYHA Level IV; 4 Heart sports rehabilitation contraindications, including but not limited to, unstable angina, decompensated heart failure, the activity of pericarditis or myocarditis, hypertrophic cardiomyopathy, valvular disease, resting ECG ST segment displacement is greater than 2 mm, etc.; 5 Acute heart failure within three months; Angina pectoris occurred within half a year, ST dynamic change occurred within three months or heart attack after 45 days; 6 QRSd > 130 ms; 7 Severe liver and kidney dysfunction; 8 Hypertension while blood pressure is uncontrolled; 9 Pregnant or women who decide to pregnant during research stage; 10 Patients who have already enrolled in other clinical studies which may affect the purpose of this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Aquarel + SF-36; | — |
Secondary
| Measure | Time frame |
|---|---|
| NYHA;six-minutes walking test;Treadmill exercise testing; | — |
Countries
China
Contacts
Public ContactLi Ruogu
Outcome results
None listed