Ketamine Enhances Analgesia and Mood in Chronic Pain Patients

Prospective observational cohort of adult chronic pain clinic patients receiving routine ketamine injections; pre- and post-injection data are collected to evaluate changes in pain and mood.

Outcomes include numeric pain rating scale (≥2-point change considered significant), Likert sleep scale (≥2-point change), GAD-7 for anxiety (≥4-point change) and PHQ-9 for depression (≥5-point change); analyses performed with SPSS using t-tests, ANOVA, chi-square and regression.