Analysis of the Inner Diameter of the Distal Radial Artery and the Influencing Factors in Chinese Patients

Cardiovascular intervention via distal radial artery (DRA) approach has become more and more extensive. However, the DRA is smaller than conventional radial artery (CRA). Assessing the size of the DRA before vascular intervention is extremely important to select suitable patients. There are still few large-sample studies to evaluate the size of DRA and its influencing factors in the Chinese population.

Inclusion Criteria:Patients who is prepare for coronary angiographyExclusion Criteria:Lack of upper limbs