Effectiveness and safety of Wendan decoction for post-stroke depression: A protocol for systematic review and meta-analysis.

Background: Post-stroke depression (PSD) refers to a series of affective disorder syndromes that occur after stroke and are often accompanied by physical symptoms. PSD presents with low mood and lack of interest as the main characteristics along with the symptoms of stroke. The physical symptoms of PSD include sleep disorder, loss of appetite, and reluctance to communicate.