unstable angina
Conditions
Interventions
patients diagnosed with unstable angina: percutaneous coronary intervention
Sponsors
Beijing Anzhen Hosptial, Capital Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients must meet all of the following criteria to be included in the study: (1) Age 18-80 years old; (2) Diagnosed with unstable angina pectoris and planning to be admitted to hospital for coronary angiography; (3) Participate in this study with informed consent and provide personal information.
Exclusion criteria
Exclusion criteria: Patients will not be included in the study if they meet any of the exclusion criteria: (1) Acute myocardial infarction; (2) Old myocardial infarction; (3) Heart failure (NYHA grade III/IV or EF<45%); (4) Complex arrhythmias, such as frequent atrial premature beats, premature ventricular beats, atrial fibrillation, atrial flutter, etc.; (5) After PCI/CABG; (6) History of congenital heart disease; (7) Definitely diagnosed cardiomyopathy; (8) Combined valvular disease (moderate/severe regurgitation/stenosis of aortic valve/mitral valve) (9) The origin or development of the coronary artery is abnormal; (10) Patients with pacemaker surgery or drug pump implantation; (11) There are metal implants such as steel plates and nails in the trunk; (11) Patients who suffer from claustrophobia and cannot lie still for 2 minutes in a closed environment; (12) Subjects who are not suitable for inclusion by the investigators for other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Field map angle at peak of T wave;Maximum current angle at peak of T wave;Change of the map angle within RT interval;T peak maximum and minimum ratio;The change of the distance between the two poles of the TT magnetic field;T peak magnetic field amplitude; | — |
Countries
China
Contacts
Public ContactXiantao Song
Department of Cardiology, Anzhen Hospital, Capital Medical University
Outcome results
None listed