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Racial and Ethnic Differences in Older Adults With Knee Osteoarthritis
Objective Knee osteoarthritis (OA) contributes significantly to disability in older individuals, and racial/ethnic minorities are disproportionately affected. The present study aimed to characterize differences in clinical and experimental pain, including pain inhibition, among older African America...
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| Published in: | Arthritis & rheumatology (Hoboken, N.J.) N.J.), 2014-07, Vol.66 (7), p.1800-1810 |
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| container_title | Arthritis & rheumatology (Hoboken, N.J.) |
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| creator | Cruz‐Almeida, Yenisel Sibille, Kimberly T. Goodin, Burel R. Petrov, Megan E. Bartley, Emily J. Riley, Joseph L. King, Christopher D. Glover, Toni L. Sotolongo, Adriana Herbert, Matthew S. Schmidt, Jessica K. Fessler, Barri J. Staud, Roland Redden, David Bradley, Laurence A. Fillingim, Roger B. |
| description | Objective
Knee osteoarthritis (OA) contributes significantly to disability in older individuals, and racial/ethnic minorities are disproportionately affected. The present study aimed to characterize differences in clinical and experimental pain, including pain inhibition, among older African American (AA) and non‐Hispanic white (NHW) subjects with knee OA.
Methods
AA and NHW subjects with knee OA (n = 267) completed clinical and functional pain assessments, including quantitative sensory testing (QST). We hypothesized that, when compared to NHW subjects, AA subjects would display 1) lower pain tolerance and higher ratings of heat‐, mechanical‐, and cold‐induced pain, 2) greater temporal summation of pain, 3) reduced pain inhibition, and 4) greater clinical pain and poorer function. In addition, we hypothesized that the findings from QST would significantly predict the severity of clinical pain within each race/ethnicity.
Results
AA subjects with knee OA displayed increased pain sensitivity, greater temporal summation, and reduced pain inhibition when compared to NHW subjects with knee OA. Moreover, AA subjects reported greater clinical pain and poorer function. Racial/ethnic differences in clinical pain became nonsignificant when the analyses were controlled for education and annual income, whereas differences in QST findings remained highly significant. Although the extent of pain inhibition predicted the severity of clinical pain in both groups, different QST measures were additionally predictive of clinical pain within each group.
Conclusion
The results of this study establish that there are racial/ethnic differences in experimental and clinical pain and function in older individuals with knee OA. Our findings indicating that different QST measures were associated with clinical pain within the 2 racial/ethnic groups, whereas reduced pain inhibition was important in all participants, warrant further study in order to elucidate the common and group‐specific pathophysiologic mechanisms contributing to clinical pain in OA. |
| doi_str_mv | 10.1002/art.38620 |
| format | article |
| fullrecord | <record><control><sourceid>proquest_pubme</sourceid><recordid>TN_cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_4077911</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>3911926831</sourcerecordid><originalsourceid>FETCH-LOGICAL-c4430-e864664b5b9e24f0da150dd9fa085f55628134e2f22c75a635f077ee5ee776143</originalsourceid><addsrcrecordid>eNp1kE1PAjEQhhujEYIc_AOmiScPQNvtB3sxIQhqJCEhGI9N2Z1KybKL7aLh31sFjB7sZZrMk2dmXoQuKelSQljP-Lqb9CUjJ6jJEiY7ghFxevzTlDZQO4QViS9VRBJxjhqMK5YmQjXReGYyZwpsyhyP6mXpMnznrAUPZQYBuxJPixw8HuTbog74xdVL_FQC4GmooYqzl97VLlygM2uKAO1DbaHn8Wg-fOhMpvePw8Gkk3GekA70JZeSL8QiBcYtyQ0VJM9Ta0hfWCEk69OEA7OMZUoYmQhLlAIQAEpJypMWut17N9vFGvIMytqbQm-8Wxu_05Vx-m-ndEv9Wr1rHj0ppVFwfRD46m0LodarauvLuLOmSiQsjRyL1M2eynwVggf7M4ES_ZW6jpfr79Qje_V7pR_ymHEEenvgwxWw-9-kB7P5XvkJisWK6Q</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1753290772</pqid></control><display><type>article</type><title>Racial and Ethnic Differences in Older Adults With Knee Osteoarthritis</title><source>Wiley-Blackwell Journals</source><creator>Cruz‐Almeida, Yenisel ; Sibille, Kimberly T. ; Goodin, Burel R. ; Petrov, Megan E. ; Bartley, Emily J. ; Riley, Joseph L. ; King, Christopher D. ; Glover, Toni L. ; Sotolongo, Adriana ; Herbert, Matthew S. ; Schmidt, Jessica K. ; Fessler, Barri J. ; Staud, Roland ; Redden, David ; Bradley, Laurence A. ; Fillingim, Roger B.</creator><creatorcontrib>Cruz‐Almeida, Yenisel ; Sibille, Kimberly T. ; Goodin, Burel R. ; Petrov, Megan E. ; Bartley, Emily J. ; Riley, Joseph L. ; King, Christopher D. ; Glover, Toni L. ; Sotolongo, Adriana ; Herbert, Matthew S. ; Schmidt, Jessica K. ; Fessler, Barri J. ; Staud, Roland ; Redden, David ; Bradley, Laurence A. ; Fillingim, Roger B.</creatorcontrib><description>Objective
Knee osteoarthritis (OA) contributes significantly to disability in older individuals, and racial/ethnic minorities are disproportionately affected. The present study aimed to characterize differences in clinical and experimental pain, including pain inhibition, among older African American (AA) and non‐Hispanic white (NHW) subjects with knee OA.
Methods
AA and NHW subjects with knee OA (n = 267) completed clinical and functional pain assessments, including quantitative sensory testing (QST). We hypothesized that, when compared to NHW subjects, AA subjects would display 1) lower pain tolerance and higher ratings of heat‐, mechanical‐, and cold‐induced pain, 2) greater temporal summation of pain, 3) reduced pain inhibition, and 4) greater clinical pain and poorer function. In addition, we hypothesized that the findings from QST would significantly predict the severity of clinical pain within each race/ethnicity.
Results
AA subjects with knee OA displayed increased pain sensitivity, greater temporal summation, and reduced pain inhibition when compared to NHW subjects with knee OA. Moreover, AA subjects reported greater clinical pain and poorer function. Racial/ethnic differences in clinical pain became nonsignificant when the analyses were controlled for education and annual income, whereas differences in QST findings remained highly significant. Although the extent of pain inhibition predicted the severity of clinical pain in both groups, different QST measures were additionally predictive of clinical pain within each group.
Conclusion
The results of this study establish that there are racial/ethnic differences in experimental and clinical pain and function in older individuals with knee OA. Our findings indicating that different QST measures were associated with clinical pain within the 2 racial/ethnic groups, whereas reduced pain inhibition was important in all participants, warrant further study in order to elucidate the common and group‐specific pathophysiologic mechanisms contributing to clinical pain in OA.</description><identifier>ISSN: 2326-5191</identifier><identifier>EISSN: 2326-5205</identifier><identifier>DOI: 10.1002/art.38620</identifier><identifier>PMID: 24729357</identifier><language>eng</language><publisher>United States: Wiley Subscription Services, Inc</publisher><subject>Adult ; African Americans - statistics & numerical data ; Aged ; Aging - ethnology ; Aging - physiology ; Arthralgia - ethnology ; Arthralgia - physiopathology ; Cold Temperature - adverse effects ; Cultural differences ; Disability Evaluation ; European Continental Ancestry Group - statistics & numerical data ; Female ; Hot Temperature - adverse effects ; Humans ; Hypnosis ; Male ; Middle Aged ; Older people ; Osteoarthritis, Knee - ethnology ; Osteoarthritis, Knee - physiopathology ; Pain management ; Pain Measurement ; Pain Threshold - ethnology ; Pain Threshold - physiology ; Physical Stimulation - adverse effects ; Regression Analysis ; Severity of Illness Index</subject><ispartof>Arthritis & rheumatology (Hoboken, N.J.), 2014-07, Vol.66 (7), p.1800-1810</ispartof><rights>Copyright © 2014 by the American College of Rheumatology</rights><rights>Copyright © 2014 by the American College of Rheumatology.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4430-e864664b5b9e24f0da150dd9fa085f55628134e2f22c75a635f077ee5ee776143</citedby><cites>FETCH-LOGICAL-c4430-e864664b5b9e24f0da150dd9fa085f55628134e2f22c75a635f077ee5ee776143</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fart.38620$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fart.38620$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,315,786,790,891,27957,27958,50923,51032</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24729357$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cruz‐Almeida, Yenisel</creatorcontrib><creatorcontrib>Sibille, Kimberly T.</creatorcontrib><creatorcontrib>Goodin, Burel R.</creatorcontrib><creatorcontrib>Petrov, Megan E.</creatorcontrib><creatorcontrib>Bartley, Emily J.</creatorcontrib><creatorcontrib>Riley, Joseph L.</creatorcontrib><creatorcontrib>King, Christopher D.</creatorcontrib><creatorcontrib>Glover, Toni L.</creatorcontrib><creatorcontrib>Sotolongo, Adriana</creatorcontrib><creatorcontrib>Herbert, Matthew S.</creatorcontrib><creatorcontrib>Schmidt, Jessica K.</creatorcontrib><creatorcontrib>Fessler, Barri J.</creatorcontrib><creatorcontrib>Staud, Roland</creatorcontrib><creatorcontrib>Redden, David</creatorcontrib><creatorcontrib>Bradley, Laurence A.</creatorcontrib><creatorcontrib>Fillingim, Roger B.</creatorcontrib><title>Racial and Ethnic Differences in Older Adults With Knee Osteoarthritis</title><title>Arthritis & rheumatology (Hoboken, N.J.)</title><addtitle>Arthritis Rheumatol</addtitle><description>Objective
Knee osteoarthritis (OA) contributes significantly to disability in older individuals, and racial/ethnic minorities are disproportionately affected. The present study aimed to characterize differences in clinical and experimental pain, including pain inhibition, among older African American (AA) and non‐Hispanic white (NHW) subjects with knee OA.
Methods
AA and NHW subjects with knee OA (n = 267) completed clinical and functional pain assessments, including quantitative sensory testing (QST). We hypothesized that, when compared to NHW subjects, AA subjects would display 1) lower pain tolerance and higher ratings of heat‐, mechanical‐, and cold‐induced pain, 2) greater temporal summation of pain, 3) reduced pain inhibition, and 4) greater clinical pain and poorer function. In addition, we hypothesized that the findings from QST would significantly predict the severity of clinical pain within each race/ethnicity.
Results
AA subjects with knee OA displayed increased pain sensitivity, greater temporal summation, and reduced pain inhibition when compared to NHW subjects with knee OA. Moreover, AA subjects reported greater clinical pain and poorer function. Racial/ethnic differences in clinical pain became nonsignificant when the analyses were controlled for education and annual income, whereas differences in QST findings remained highly significant. Although the extent of pain inhibition predicted the severity of clinical pain in both groups, different QST measures were additionally predictive of clinical pain within each group.
Conclusion
The results of this study establish that there are racial/ethnic differences in experimental and clinical pain and function in older individuals with knee OA. Our findings indicating that different QST measures were associated with clinical pain within the 2 racial/ethnic groups, whereas reduced pain inhibition was important in all participants, warrant further study in order to elucidate the common and group‐specific pathophysiologic mechanisms contributing to clinical pain in OA.</description><subject>Adult</subject><subject>African Americans - statistics & numerical data</subject><subject>Aged</subject><subject>Aging - ethnology</subject><subject>Aging - physiology</subject><subject>Arthralgia - ethnology</subject><subject>Arthralgia - physiopathology</subject><subject>Cold Temperature - adverse effects</subject><subject>Cultural differences</subject><subject>Disability Evaluation</subject><subject>European Continental Ancestry Group - statistics & numerical data</subject><subject>Female</subject><subject>Hot Temperature - adverse effects</subject><subject>Humans</subject><subject>Hypnosis</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Older people</subject><subject>Osteoarthritis, Knee - ethnology</subject><subject>Osteoarthritis, Knee - physiopathology</subject><subject>Pain management</subject><subject>Pain Measurement</subject><subject>Pain Threshold - ethnology</subject><subject>Pain Threshold - physiology</subject><subject>Physical Stimulation - adverse effects</subject><subject>Regression Analysis</subject><subject>Severity of Illness Index</subject><issn>2326-5191</issn><issn>2326-5205</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp1kE1PAjEQhhujEYIc_AOmiScPQNvtB3sxIQhqJCEhGI9N2Z1KybKL7aLh31sFjB7sZZrMk2dmXoQuKelSQljP-Lqb9CUjJ6jJEiY7ghFxevzTlDZQO4QViS9VRBJxjhqMK5YmQjXReGYyZwpsyhyP6mXpMnznrAUPZQYBuxJPixw8HuTbog74xdVL_FQC4GmooYqzl97VLlygM2uKAO1DbaHn8Wg-fOhMpvePw8Gkk3GekA70JZeSL8QiBcYtyQ0VJM9Ta0hfWCEk69OEA7OMZUoYmQhLlAIQAEpJypMWut17N9vFGvIMytqbQm-8Wxu_05Vx-m-ndEv9Wr1rHj0ppVFwfRD46m0LodarauvLuLOmSiQsjRyL1M2eynwVggf7M4ES_ZW6jpfr79Qje_V7pR_ymHEEenvgwxWw-9-kB7P5XvkJisWK6Q</recordid><startdate>201407</startdate><enddate>201407</enddate><creator>Cruz‐Almeida, Yenisel</creator><creator>Sibille, Kimberly T.</creator><creator>Goodin, Burel R.</creator><creator>Petrov, Megan E.</creator><creator>Bartley, Emily J.</creator><creator>Riley, Joseph L.</creator><creator>King, Christopher D.</creator><creator>Glover, Toni L.</creator><creator>Sotolongo, Adriana</creator><creator>Herbert, Matthew S.</creator><creator>Schmidt, Jessica K.</creator><creator>Fessler, Barri J.</creator><creator>Staud, Roland</creator><creator>Redden, David</creator><creator>Bradley, Laurence A.</creator><creator>Fillingim, Roger B.</creator><general>Wiley Subscription Services, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QP</scope><scope>7T5</scope><scope>7TM</scope><scope>7U7</scope><scope>C1K</scope><scope>H94</scope><scope>K9.</scope><scope>5PM</scope></search><sort><creationdate>201407</creationdate><title>Racial and Ethnic Differences in Older Adults With Knee Osteoarthritis</title><author>Cruz‐Almeida, Yenisel ; Sibille, Kimberly T. ; Goodin, Burel R. ; Petrov, Megan E. ; Bartley, Emily J. ; Riley, Joseph L. ; King, Christopher D. ; Glover, Toni L. ; Sotolongo, Adriana ; Herbert, Matthew S. ; Schmidt, Jessica K. ; Fessler, Barri J. ; Staud, Roland ; Redden, David ; Bradley, Laurence A. ; Fillingim, Roger B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4430-e864664b5b9e24f0da150dd9fa085f55628134e2f22c75a635f077ee5ee776143</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adult</topic><topic>African Americans - statistics & numerical data</topic><topic>Aged</topic><topic>Aging - ethnology</topic><topic>Aging - physiology</topic><topic>Arthralgia - ethnology</topic><topic>Arthralgia - physiopathology</topic><topic>Cold Temperature - adverse effects</topic><topic>Cultural differences</topic><topic>Disability Evaluation</topic><topic>European Continental Ancestry Group - statistics & numerical data</topic><topic>Female</topic><topic>Hot Temperature - adverse effects</topic><topic>Humans</topic><topic>Hypnosis</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Older people</topic><topic>Osteoarthritis, Knee - ethnology</topic><topic>Osteoarthritis, Knee - physiopathology</topic><topic>Pain management</topic><topic>Pain Measurement</topic><topic>Pain Threshold - ethnology</topic><topic>Pain Threshold - physiology</topic><topic>Physical Stimulation - adverse effects</topic><topic>Regression Analysis</topic><topic>Severity of Illness Index</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cruz‐Almeida, Yenisel</creatorcontrib><creatorcontrib>Sibille, Kimberly T.</creatorcontrib><creatorcontrib>Goodin, Burel R.</creatorcontrib><creatorcontrib>Petrov, Megan E.</creatorcontrib><creatorcontrib>Bartley, Emily J.</creatorcontrib><creatorcontrib>Riley, Joseph L.</creatorcontrib><creatorcontrib>King, Christopher D.</creatorcontrib><creatorcontrib>Glover, Toni L.</creatorcontrib><creatorcontrib>Sotolongo, Adriana</creatorcontrib><creatorcontrib>Herbert, Matthew S.</creatorcontrib><creatorcontrib>Schmidt, Jessica K.</creatorcontrib><creatorcontrib>Fessler, Barri J.</creatorcontrib><creatorcontrib>Staud, Roland</creatorcontrib><creatorcontrib>Redden, David</creatorcontrib><creatorcontrib>Bradley, Laurence A.</creatorcontrib><creatorcontrib>Fillingim, Roger B.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Immunology Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Arthritis & rheumatology (Hoboken, N.J.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cruz‐Almeida, Yenisel</au><au>Sibille, Kimberly T.</au><au>Goodin, Burel R.</au><au>Petrov, Megan E.</au><au>Bartley, Emily J.</au><au>Riley, Joseph L.</au><au>King, Christopher D.</au><au>Glover, Toni L.</au><au>Sotolongo, Adriana</au><au>Herbert, Matthew S.</au><au>Schmidt, Jessica K.</au><au>Fessler, Barri J.</au><au>Staud, Roland</au><au>Redden, David</au><au>Bradley, Laurence A.</au><au>Fillingim, Roger B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Racial and Ethnic Differences in Older Adults With Knee Osteoarthritis</atitle><jtitle>Arthritis & rheumatology (Hoboken, N.J.)</jtitle><addtitle>Arthritis Rheumatol</addtitle><date>2014-07</date><risdate>2014</risdate><volume>66</volume><issue>7</issue><spage>1800</spage><epage>1810</epage><pages>1800-1810</pages><issn>2326-5191</issn><eissn>2326-5205</eissn><notes>Dr. Bradley receives royalties from Up To Date for online reviews of rheumatology literature.</notes><notes>Dr. Fillingim owns stock or stock options in Algynomics.</notes><abstract>Objective
Knee osteoarthritis (OA) contributes significantly to disability in older individuals, and racial/ethnic minorities are disproportionately affected. The present study aimed to characterize differences in clinical and experimental pain, including pain inhibition, among older African American (AA) and non‐Hispanic white (NHW) subjects with knee OA.
Methods
AA and NHW subjects with knee OA (n = 267) completed clinical and functional pain assessments, including quantitative sensory testing (QST). We hypothesized that, when compared to NHW subjects, AA subjects would display 1) lower pain tolerance and higher ratings of heat‐, mechanical‐, and cold‐induced pain, 2) greater temporal summation of pain, 3) reduced pain inhibition, and 4) greater clinical pain and poorer function. In addition, we hypothesized that the findings from QST would significantly predict the severity of clinical pain within each race/ethnicity.
Results
AA subjects with knee OA displayed increased pain sensitivity, greater temporal summation, and reduced pain inhibition when compared to NHW subjects with knee OA. Moreover, AA subjects reported greater clinical pain and poorer function. Racial/ethnic differences in clinical pain became nonsignificant when the analyses were controlled for education and annual income, whereas differences in QST findings remained highly significant. Although the extent of pain inhibition predicted the severity of clinical pain in both groups, different QST measures were additionally predictive of clinical pain within each group.
Conclusion
The results of this study establish that there are racial/ethnic differences in experimental and clinical pain and function in older individuals with knee OA. Our findings indicating that different QST measures were associated with clinical pain within the 2 racial/ethnic groups, whereas reduced pain inhibition was important in all participants, warrant further study in order to elucidate the common and group‐specific pathophysiologic mechanisms contributing to clinical pain in OA.</abstract><cop>United States</cop><pub>Wiley Subscription Services, Inc</pub><pmid>24729357</pmid><doi>10.1002/art.38620</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Arthritis & rheumatology (Hoboken, N.J.), 2014-07, Vol.66 (7), p.1800-1810 |
| issn | 2326-5191 2326-5205 |
| language | eng |
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| source | Wiley-Blackwell Journals |
| subjects | Adult African Americans - statistics & numerical data Aged Aging - ethnology Aging - physiology Arthralgia - ethnology Arthralgia - physiopathology Cold Temperature - adverse effects Cultural differences Disability Evaluation European Continental Ancestry Group - statistics & numerical data Female Hot Temperature - adverse effects Humans Hypnosis Male Middle Aged Older people Osteoarthritis, Knee - ethnology Osteoarthritis, Knee - physiopathology Pain management Pain Measurement Pain Threshold - ethnology Pain Threshold - physiology Physical Stimulation - adverse effects Regression Analysis Severity of Illness Index |
| title | Racial and Ethnic Differences in Older Adults With Knee Osteoarthritis |
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