Study population
dementia
HEART
The proRadial study was a prospective observational study enrolled patients undergoing coronary angiography with or without percutaneous coronary intervention (PCI) between March 2019 and August 2020 at the University Heart Center Freiburg · Bad Krozingen (Campus Bad Krozingen, Germany). All patients underwent coronary angiography were screened for this study. Key inclusion criteria were age ≥ 18 years and a successful transradial angiography. Patients not able to provide a valid written informed consent (e.g., due to dementia) or in a state of dependence to our hospital were not included. The main reasons for unsuccessful enrollment were early discharge of patients or transfer to another department for subsequent treatment (mainly cardiac surgery Fig. Flow diagram for study participants