Atrioventricular block/Atrial fibrillation with slow ventricular rate
Conditions
Interventions
Group with normal cardiac function:None
Group with impaired cardiac function:None
Sponsors
The First Affiliated Hospital of Dalian Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Inclusion criteria: Participants in this clinical study must meet all of the following criteria: 1) 18 years old=40%; 4) NYHA cardiac function classification: Grade I-III; 5) Expected ventricular pacing ratio >20%; 6) The subject or his/her guardian can understand the purpose of the study, voluntarily participate in the study, comply with the visit plan and provide written information Consent form.
Exclusion criteria
Exclusion criteria: 2. Exclusion criteria: Subjects will be excluded from the study if they meet any of the following exclusion criteria: 1) Patients with contraindications to any implantable pacemaker; 2) Patients with implantable cardiac defibrillator; 3) Patients with unstable angina pectoris, acute myocardial infarction, CABG and PCI within 3 months before surgery; 4) The patient underwent any heart valve surgery or any other heart surgery after mechanical tricuspid valve replacement, or within three months; 5) Patients with valvular heart disease who have indications of surgery or intervention plan to undergo interventional or surgical treatment; 6) ventricular septal hypertrophy (end-diastolic thickness exceeding 15mm), ventricular septal defect after treatment and complex congenital heart disease; 7) Pacemaker replacement, pacemaker upgrade, pacemaker bag infection re-implantation; 8) Within 3 months, they have been enrolled in other clinical studies that may affect the purpose of this study; 9) Mentally incapacitated or unable to understand the investigator's requirements, such as unable to express, read and understand the questions in the subject's subjective questionnaire specified in the research protocol; 10) The investigator determined that the patient had other conditions that were not suitable for this test
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy of VCM functional measurement values; | — |
Secondary
| Measure | Time frame |
|---|---|
| Admission rate/death rate of postoperative heart failure;Incidence of postoperative atrial high frequency events;Changes of electrical parameters of postoperative pacemaker;life quality score;NYHA classification;Changes of related parameters of color Doppler ultrasound; | — |
Countries
China
Contacts
Public ContactXia Yunlong
The First Affiliated Hospital of Dalian Medical University
Outcome results
None listed