This is a multi-center, retrospective observation study collecting data on 184855 coronary angiography patients from January 2000 to Decemeber 2020. Data regarding demographic information, admission diagnoses and history of present illness, biomarkers and details on preventive hydration and medications will be collected. The primary endpoint of this study is Adverse Cardiovascular and Kidney Events.
As a multi-center, retrospective observation study in southern China, this study included the main study population of patients who underwent coronary angiography at 5 hospitals from Guangzhou, Shenzhen, Yangjiang, Maoming and Longyan from January 2000 to Decemeber 2020. The hospitalization information was collected in the form of direct derivation of the case, and cardiac and renal adverse events were collected through outpatient system. Data on all-cause death were obtained from the Guangdong Provincial Public Security and matched to the electronic Clinical Management System of the Guangdong Provincial People's Hospital records.