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Pain Hypervigilance is Associated with Greater Clinical Pain Severity and Enhanced Experimental Pain Sensitivity Among Adults with Symptomatic Knee Osteoarthritis
Authors:Matthew S. Herbert M.A.  Burel R. Goodin Ph.D.  Samuel T. Pero IV B.S.  Jessica K. Schmidt B.A.  Adriana Sotolongo M.P.H.  Hailey W. Bulls B.S.  Toni L. Glover Ph.D.   GNP-BC  Christopher D. King Ph.D.  Kimberly T. Sibille Ph.D.  Yenisel Cruz-Almeida M.S.P.H.   Ph.D.  Roland Staud M.D.  Barri J. Fessler M.D.   M.S.P.H.  Laurence A. Bradley Ph.D.  Roger B. Fillingim Ph.D.
Affiliation:1. College of Arts and Sciences, Department of Psychology, University of Alabama at Birmingham, 1825 University Blvd., Shelby 177E, Birmingham, AL, 35294, USA
2. College of Dentistry, Department of Community Dentistry and Behavioral Science, University of Florida, Gainesville, FL, 32610, USA
3. School of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
4. College of Dentistry, Comprehensive Center for Pain Research, University of Florida, Gainesville, FL, 32610, USA
5. College of Nursing, University of Florida, Gainesville, FL, 32610, USA
6. Pain Research and Intervention Center of Excellence (PRICE), Gainesville, University of Florida, Gainesville, FL, 32610, USA
7. College of Medicine, University of Florida, Gainesville, FL, 32610, USA
Abstract:

Background

Pain hypervigilance is an important aspect of the fear-avoidance model of pain that may help explain individual differences in pain sensitivity among persons with knee osteoarthritis (OA).

Purpose

The purpose of this study was to examine the contribution of pain hypervigilance to clinical pain severity and experimental pain sensitivity in persons with symptomatic knee OA.

Methods

We analyzed cross-sectional data from 168 adults with symptomatic knee OA. Quantitative sensory testing was used to measure sensitivity to heat pain, pressure pain, and cold pain, as well as temporal summation of heat pain, a marker of central sensitization.

Results

Pain hypervigilance was associated with greater clinical pain severity, as well as greater pressure pain. Pain hypervigilance was also a significant predictor of temporal summation of heat pain.

Conclusions

Pain hypervigilance may be an important contributor to pain reports and experimental pain sensitivity among persons with knee OA.
Keywords:
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