Coronary heart disease
Conditions
Interventions
Gold Standard:Detected by coronary angiography or coronary CT, the main blood vessels include the left main (LM), left anterior esendingarrery (LAD), left circumflex artery (LCX), and right coronary a
Index test:Diagnostic 
for 
diagnosis: 
(1) 
In 
the 
of 
Sponsors
Institute of Chinese Medical History Documents, China Academy of Chinese Medical Sciences
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) Over 40 years old. (2) Voluntary request for coronary angiography or coronary CT examination, or preparation for coronary angiography or coronary CT examination according to the needs of the condition and the doctor's recommendation. (3) Volunteer to participate in this research, the research process cooperates with the doctor's research work. (4) Sign informed consent.
Exclusion criteria
Exclusion criteria: (1) Patients with contraindications to coronary angiography or coronary CT. (2) A history of coronary heart disease or coronary revascularization. (3) Drinking, allergies, and dyeing cause the color of the hands to change. (4) Acute and critical illness, such as acute myocardial infarction, acute cerebrovascular disease, severe pain, severe hemorrhage and infectious diseases, end-stage severe illness, etc., the appearance of pale hands, affecting the hand color observer. (5) The skin of the hands is rough and difficult to recognize due to external force. (6) Diseases such as rheumatoid arthritis, eczema, vitiligo, and median nerve damage caused by hand deformity, skin lesions, and abnormal color. (7) Patients with mental illness. (8) Patients who are participating in other clinical studies.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Coronary stenosis;Color and shape of hands;SEN, SPE, ACC, AUC of ROC, PPV, NPV; | — |
Secondary
| Measure | Time frame |
|---|---|
| Ear fold heart sign;Diamond and Forrester; | — |
Countries
China
Contacts
Public ContactLiu Jianfeng
Institute of Basic Research In Clinical Medicine, China Academy of Chinese Medical Sciences
Outcome results
None listed