• M C Basch, E T Chow, D E Logan, D Borsook, N L Schechter, and L E Simons.
• Division of Pain Medicine, Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, USA.
• Eur J Pain. 2018 Jul 1; 22 (6): 1134-1141.

BackgroundThe experience of persistent pain in multiple locations is common in youth. Based on current literature, youth with multiple pain sites (MPS) are at risk of experiencing poorer emotional outcomes and a spread of symptoms into late adolescence and adulthood. Little is known regarding the association between MPS with physical and school functioning domains, particularly after initiation of multidisciplinary pain treatment. Therefore, the objective of this study was to examine the association of MPS with disability and school functioning among youth with chronic pain.MethodsA total of 195 patients with chronic pain, aged 8-17, and their parents completed measures assessing patient distress and functioning at a multidisciplinary pain clinic evaluation and at 4-month follow-up.ResultsAt evaluation, 63% of patients presented with MPS; 25% reporting MPS endorsed pain in five or more locations. When controlling for relevant demographic and emotional distress factors, MPS were associated with lower school functioning at evaluation with a persistent trend at follow-up. Although MPS were not a significant predictor of pain-related disability at evaluation, it emerged as significant at follow-up.ConclusionsPotentially due to the MPS load and the inverse effects that such a pain state has on function, such patients may be at risk for poorer health and school-related outcomes. The mechanisms influencing these relationships appear to extend beyond psychological/emotional factors and warrant further investigation in order to aid in our understanding of youth with MPS.SignificanceYouth with MPS may be at risk for experiencing poorer physical and school functioning in comparison with single-site peers, despite treatment initiation. Further research is warranted to inform assessment and treatment approaches for this subgroup of patients.© 2018 European Pain Federation - EFIC®.

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