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Psychological risk factors for chronic post-surgical pain after inguinal hernia repair surgery : a prospective cohort study
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Powell, R., Johnston, M., Smith, W.C., King, P.M., Chambers, W.A., Krukowski, Z., McKee, L. and Bruce, J. (Julie) (2012) Psychological risk factors for chronic post-surgical pain after inguinal hernia repair surgery : a prospective cohort study. European Journal of Pain, Vol.16 (No.4). pp. 600-610. doi:10.1016/j.ejpain.2011.08.010
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Official URL: http://dx.doi.org/10.1016/j.ejpain.2011.08.010
Abstract
A significant proportion of patients experience chronic post-surgical pain (CPSP) following inguinal hernia surgery. Psychological models are useful in predicting acute pain after surgery, and in predicting the transition from acute to chronic pain in non-surgical contexts. This is a prospective cohort study to investigate psychological (cognitive and emotional) risk factors for CPSP after inguinal hernia surgery. Participants were asked to complete questionnaires before surgery and 1 week and 4 months after surgery. Data collected before surgery and 1 week after surgery were used to predict pain at 4 months. Psychological risk factors assessed included anxiety, depression, fear-avoidance, activity avoidance, catastrophizing, worry about the operation, activity expectations, perceived pain control and optimism. The study included 135 participants; follow-up questionnaires were returned by 119 (88.1%) and 115 (85.2%) participants at 1 week and 4 months after surgery respectively. The incidence of CPSP (pain at 4 months) was 39.5%. After controlling for age, body mass index and surgical variables (e.g. anaesthetic, type of surgery and mesh type used), lower pre-operative optimism was an independent risk factor for CPSP at 4 months; lower pre-operative optimism and lower perceived control over pain at 1 week after surgery predicted higher pain intensity at 4 months. No emotional variables were independently predictive of CPSP. Further research should target these cognitive variables in pre-operative psychological preparation for surgery.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | R Medicine > R Medicine (General) | ||||
| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School |
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| Journal or Publication Title: | European Journal of Pain | ||||
| Publisher: | Elsevier Ltd. | ||||
| ISSN: | 1090-3801 | ||||
| Official Date: | April 2012 | ||||
| Dates: |
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| Volume: | Vol.16 | ||||
| Number: | No.4 | ||||
| Page Range: | pp. 600-610 | ||||
| DOI: | 10.1016/j.ejpain.2011.08.010 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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