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Objectives: Fibromyalgia (FM) characteristics can be evaluated using a simple, self-reported measure that correlates with postoperative opioid consumption after lower-extremity joint arthroplasty. The purpose of this study was to determine whether preoperative pain history and the FM survey score can predict postoperative outcomes after shoulder arthroscopy, which may cause moderate to severe pain.

Materials and Methods: In this prospective study, 100 shoulder arthroscopy patients completed preoperative validated self-report measures to assess baseline quality of recovery score, physical functioning, depression, anxiety, and neuropathic pain. FM characteristics were evaluated using a validated measure of widespread pain and comorbid symptoms on a 0 to 31 scale. Outcomes were assessed on postoperative day 2 (opioid consumption [primary], pain, physical functioning, quality of recovery score), and day 14 (opioid consumption, pain).

Results: FM survey scores ranged from 0 to 13. The cohort was divided into tertiles for univariate analyses. Preoperative depression and anxiety (P<0.001) and neuropathic pain (P=0.008) were higher, and physical functioning was lower (P<0.001), in higher FM survey score groups. The fibromyalgia survey score was not associated with postoperative pain or opioid consumption; however, it was independently associated with poorer quality of recovery scores (P=0.001). The only independent predictor of postoperative opioid use was preoperative opioid use (P=0.038).

Discussion: FM survey scores were lower than those in a previous study of joint arthroplasty. Although they distinguished a negative preoperative pain phenotype, FM scores were not independently associated with postoperative opioid consumption. Further research is needed to elucidate the impact of a FM-like phenotype on postoperative analgesic outcomes.

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