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Colombian Journal of Anestesiology
Print version ISSN 0120-3347
Abstract
CHINCHILLA-HERMIDA, Paola Andrea; BAQUERO-ZAMARRA, David Ricardo; GUERRERO-NOPE, Carlos and BAYTER-MENDOZA, Eduardo Francisco. Incidence of chronic post-surgical pain and its associated factors in patients taken to inguinal hernia repair. Rev. colomb. anestesiol. [online]. 2017, vol.45, n.4, pp.291-299. ISSN 0120-3347.
Introduction:
In up to 50% of cases, inguinal hernia repair is associated with chronic post-surgical pain, which can be a cause of disability in a proportion of patients. Objective: To estimate the incidence of chronic post-surgical pain and its associated factors in patients taken to inguinal hernia repair.
Materials and methods:
Observational follow-up study in a cohort of patients. Social, demographic and personal background information was obtained; the incidence and intensity of acute and chronic post-operative pain was determined; and the factors associated with the development of chronic pain were evaluated. Associations were determined in accordance with the nature of the variables. A linear regression was used to assess the role of confounding factors.
Results:
Overall, 108 patients were analysed, and of them, 27.8% (n = 30) had chronic post-surgical pain. The multivariate analysis showed that the use of general anaesthesia and uncontrolled pain 15 days after surgery were associated with a higher risk of developing this condition. In contrast, diclofenac administration was protective.
Discussion:
Chronic post-surgical pain is frequent in this type of surgery. According to this study, the use of peri-operative analgesia together with pain prevention and management within the first post-operative weeks help prevent the development of chronic post-surgical pain. General anaesthesia may increase the risk. Similar studies conducted at a larger scale could help identify other associated factors.
Keywords : Chronic pain; Herniorrhaphy; Hernia inguinal; Risk factors; Protective factors.