Plasma beta-endorphin-like immunoreactivity, pain and anxiety following administration of placebo in oral surgery patients.
Plasma beta-endorphin was measured in patients undergoing a stressful procedure, the removal of impacted third molars. In patients reporting little pain, endorphin levels increased significantly during surgery, whereas patients reporting pain and anxiety showed little increase in endorphin levels.
D000328:Adult; D001007:Anxiety / Q000097:blood / Q000503:physiopathology*; D004723:Endorphins / Q000097:blood*; D005260:Female; D006801:Humans; D008964:Molar, Third / Q000601:surgery; D010149:Postoperative Pain / Q000097:blood / Q000503:physiopathology*; D010919:Placebos; D013315:Stress, Psychological / Q000097:blood / Q000503:physiopathology; D014081:Tooth Extraction / Q000009:adverse effects / Q000523:psychology*; D014095:Tooth, Impacted / Q000601:surgery
D004723:Endorphins; D010919:Placebos