2008
DOI: 10.1302/0301-620x.90b2.19640
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Prediction of persistent pain after total knee replacement for osteoarthritis

Abstract: We suggest that different mechanisms underlie joint pain at rest and on movement in osteoarthritis and that separate assessment of these two features with a visual analogue scale (VAS) offers better information about the likely effect of a total knee replacement (TKR) on pain. The risk of persistent pain after TKR may relate to the degree of central sensitisation before surgery, which might be assessed by determining the pain threshold to an electrical stimulus created by a special tool, the Pain Matcher. Asse… Show more

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Cited by 244 publications
(308 citation statements)
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“…Recently, high pre-operative pain at rest and a low pain threshold, assessed by the use of an electrical stimulus (Painmatcher) has been shown to correlate with pain 18 months following total knee arthroplasty [20]. Our study did not show any clinically relevant correlations between the use of pre-operative opioids or pain intensity and the development of subacute postoperative pain.…”
Section: Discussioncontrasting
confidence: 56%
“…Recently, high pre-operative pain at rest and a low pain threshold, assessed by the use of an electrical stimulus (Painmatcher) has been shown to correlate with pain 18 months following total knee arthroplasty [20]. Our study did not show any clinically relevant correlations between the use of pre-operative opioids or pain intensity and the development of subacute postoperative pain.…”
Section: Discussioncontrasting
confidence: 56%
“…In large studies, women have more pain both before and after arthroplasty ( Table 2). Women had both lower sensation and pain thresholds than men after TKA [21]. Moreover, in a small study of only six men and six women with knee osteoarthritis, positron emission tomography imaging of the brain showed arthritic pain is processed in areas of the brain concerned with emotion and fear [15].…”
Section: Discussionmentioning
confidence: 99%
“…Sex-related differences in the pain mechanisms may influence outcomes. In a small study of patients with knee osteoarthritis undergoing TKA, Lundblad et al [21] showed women had lower sensation thresholds and pain thresholds than men. Pain at rest and lower preoperative pain threshold were associated with postoperative pain at rest.…”
Section: Preoperative and Postoperative Painmentioning
confidence: 99%
“…2 Identification of distal hyperalgesia is clinically important and has been associated with poorer recovery in patients with acute whiplash injury, 15,28 as well as increased pain after total knee replacement. 19 …”
mentioning
confidence: 99%