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A national center for persistent severe pain after groin hernia repair : Five-year prospective data

Jensen, Elisabeth Kjær ; Ringsted, Thomas K. ; Bischoff, Joakim M. ; Petersen, Morten A. ; Rosenberg, Jacob ; Kehlet, Henrik and Werner, Mads U. LU (2019) In Medicine 98(33).
Abstract

Severe persistent pain after groin hernia repair impairs quality-of-life. Prospective, consecutive cohort study including patients with pain-related impairment of physical and social life. Relevant surgical records were obtained, and examinations were by standardized clinical and neurophysiological tests. Patients demonstrating pain sensitivity to pressure algometry in the operated groin underwent re-surgery, while patients with neuropathic pain received pharmacotherapy. Questionnaires at baseline (Q0) and at the 5-year time point (Q5Y) were used in outcome analyses of pain intensity (numeric rating scale [NRS] 0-10) and pain-related effect on the activity-of-daily-living (Activities Assessment Scale [AAS]). Data are mean (95%... (More)

Severe persistent pain after groin hernia repair impairs quality-of-life. Prospective, consecutive cohort study including patients with pain-related impairment of physical and social life. Relevant surgical records were obtained, and examinations were by standardized clinical and neurophysiological tests. Patients demonstrating pain sensitivity to pressure algometry in the operated groin underwent re-surgery, while patients with neuropathic pain received pharmacotherapy. Questionnaires at baseline (Q0) and at the 5-year time point (Q5Y) were used in outcome analyses of pain intensity (numeric rating scale [NRS] 0-10) and pain-related effect on the activity-of-daily-living (Activities Assessment Scale [AAS]). Data are mean (95% CI).Analyses were made in 172/204 (84%) eligible patients. In 54/172 (31%) patients re-surgery (meshectomy/selective neurectomy) was performed, while the remaining 118/172 (69%) patients received pharmacotherapy. In the re-surgery group, activity-related, and average NRS-scores at Q0 were 6.6 (5.6-7.9) and 5.9 (5.6-5.9), respectively. Correspondingly, NRS-scores at Q5Y was 4.1 (3.3-5.1) and 3.1 (2.3-4.0; Q0 vs. Q5Y: P < .0005), respectively. Although both groups experienced a significant improvement in AAS-scores comparing Q0 vs. Q5Y (re-surgery group: 28% (4-43%; P < .0001); pharmacotherapy group: 5% (0-11%; P = .005)) the improvement was significantly larger in the re-surgery group (P = .02).This 5-year cohort study in patients with severe persistent pain after groin hernia repair signals that selection to re-surgery or pharmacotherapy, based on examination of pain sensitivity, is associated with significant improvement in outcome. Analyzing composite endpoints, combining pain and physical function, are novel in exploring interventional effects.ClinicalTrials.gov Identifier NCT03713047.

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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
chronic post-surgical pain, groin, hernia repair, longitudinal study, neuropathic pain, nociceptive pain, pathophysiology, patient-reported outcomes
in
Medicine
volume
98
issue
33
article number
e16600
publisher
Wolters Kluwer
external identifiers
  • scopus:85070748076
  • pmid:31415351
ISSN
0025-7974
DOI
10.1097/MD.0000000000016600
language
English
LU publication?
yes
id
0938431a-48a4-47dc-8856-62f01e834e8d
date added to LUP
2019-09-06 11:51:13
date last changed
2024-05-28 23:20:33
@article{0938431a-48a4-47dc-8856-62f01e834e8d,
  abstract     = {{<p>Severe persistent pain after groin hernia repair impairs quality-of-life. Prospective, consecutive cohort study including patients with pain-related impairment of physical and social life. Relevant surgical records were obtained, and examinations were by standardized clinical and neurophysiological tests. Patients demonstrating pain sensitivity to pressure algometry in the operated groin underwent re-surgery, while patients with neuropathic pain received pharmacotherapy. Questionnaires at baseline (Q0) and at the 5-year time point (Q5Y) were used in outcome analyses of pain intensity (numeric rating scale [NRS] 0-10) and pain-related effect on the activity-of-daily-living (Activities Assessment Scale [AAS]). Data are mean (95% CI).Analyses were made in 172/204 (84%) eligible patients. In 54/172 (31%) patients re-surgery (meshectomy/selective neurectomy) was performed, while the remaining 118/172 (69%) patients received pharmacotherapy. In the re-surgery group, activity-related, and average NRS-scores at Q0 were 6.6 (5.6-7.9) and 5.9 (5.6-5.9), respectively. Correspondingly, NRS-scores at Q5Y was 4.1 (3.3-5.1) and 3.1 (2.3-4.0; Q0 vs. Q5Y: P &lt; .0005), respectively. Although both groups experienced a significant improvement in AAS-scores comparing Q0 vs. Q5Y (re-surgery group: 28% (4-43%; P &lt; .0001); pharmacotherapy group: 5% (0-11%; P = .005)) the improvement was significantly larger in the re-surgery group (P = .02).This 5-year cohort study in patients with severe persistent pain after groin hernia repair signals that selection to re-surgery or pharmacotherapy, based on examination of pain sensitivity, is associated with significant improvement in outcome. Analyzing composite endpoints, combining pain and physical function, are novel in exploring interventional effects.ClinicalTrials.gov Identifier NCT03713047.</p>}},
  author       = {{Jensen, Elisabeth Kjær and Ringsted, Thomas K. and Bischoff, Joakim M. and Petersen, Morten A. and Rosenberg, Jacob and Kehlet, Henrik and Werner, Mads U.}},
  issn         = {{0025-7974}},
  keywords     = {{chronic post-surgical pain; groin; hernia repair; longitudinal study; neuropathic pain; nociceptive pain; pathophysiology; patient-reported outcomes}},
  language     = {{eng}},
  month        = {{08}},
  number       = {{33}},
  publisher    = {{Wolters Kluwer}},
  series       = {{Medicine}},
  title        = {{A national center for persistent severe pain after groin hernia repair : Five-year prospective data}},
  url          = {{http://dx.doi.org/10.1097/MD.0000000000016600}},
  doi          = {{10.1097/MD.0000000000016600}},
  volume       = {{98}},
  year         = {{2019}},
}