Changes in Anxiety and Depression After THA in Patients with Ankylosing Spondylitis and the Affecting Factors.

Some degree of anxiety and depression was present in both groups of AS patients. Levels of depression and anxiety were higher in patients with combined hip ankylosis. And their improvement was associated with improved hip function and quality of life after THA. Hip pain relief played a significant role in patients without hip joint ankylosis. The impact of the degree of lesion on spinal imaging on psychological status needs to be considered in both groups.