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- W2800127957 abstract "Psychosocial factors such as anxiety, depression and catastrophizing, commonly associated with established chronic pain, also may be associated with an increased risk of chronic postsurgical pain (CPSP) when present preoperatively. We used a repeat social defeat (RSD) paradigm to induce psychosocial stress in rodents prior to incisional surgery of the paw. Mixed effects growth curve models were utilized to examine resolution of mechanical hypersensitivity in rats for four weeks following surgery. Eight days following surgery, immunohistochemistry was conducted to examine glial activation as well as evoked neuronal activation in the spinal cord. Here we document that RSD resulted in reduced weight gain and increased depressive symptoms prior to surgery. Rats exposed to RSD displayed delayed resolution of mechanical hypersensitivity in the ipsilateral paw following surgery compared to non-defeated rats. Prior exposure to RSD significantly increased microglial activation and neuronal sensitization (pERK-IR) within the ipsilateral spinal cord. In conclusion, we found that chronic social stress alters the neurobiological response to surgical injury, resulting in slowed recovery. This model maybe useful for future interventional studies examining the mechanistic interactions between depression and risk of CPSP." @default.
- W2800127957 created "2018-05-17" @default.
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- W2800127957 date "2018-07-01" @default.
- W2800127957 modified "2023-10-14" @default.
- W2800127957 title "Psychosocial Stress Delays Recovery of Postoperative Pain Following Incisional Surgery in the Rat" @default.
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- W2800127957 doi "https://doi.org/10.1016/j.neuroscience.2018.04.014" @default.
- W2800127957 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6005796" @default.
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