[Involvement characteristics and influencing factors of anxiety and depression in patients after percutaneous coronary intervention].

Objective: To explore the involvement characteristics and influencing factors of anxiety and depression in patients after percutaneous coronary intervention (PCI).

Methods: A total of 396 patients undergoing PCI were investigated between January 2009 and December 2010. All of them completed the Hospital Anxiety and Depression Scale (HADS) before discharge and at 12 months post-PCI.