Patients scheduled for primary knee arthroplasty at USBALO “Prof. Boycho Boychev” complete the nine-item Patient Health Questionnaire (PHQ-9) pre-operatively and at defined post-operative intervals. The study quantifies how depressive symptom severity evolves around the procedure and whether baseline mental health predicts functional recovery.
Project
Ongoing 2026-present · prospective observational study
PHQ-9 Depression Scores in Knee Arthroplasty Patients: A Prospective Observational Study
Prospective observational study of depressive symptom trajectories, measured with the PHQ-9, in patients undergoing primary knee arthroplasty. Pre- and post-operative time points capture the mental-health course alongside the standard surgical outcome set.