Pain thresholds and intensities of CRPS type I and neuropathic pain in respect to sex

Background and Aims Healthy women have generally been found to have increased experimental pain perception and chronic pain has a higher prevalence in female as compared to male patients. However, no study has investigated whether pain intensity and pain perception thresholds are distinct or similar...

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Veröffentlicht in:European journal of pain 2020-07, Vol.24 (6), p.1058-1071
Hauptverfasser: Meyer‐Frießem, Christine H., Attal, Nadine, Baron, Ralf, Bouhassira, Didier, Finnerup, Nanna B., Freynhagen, Rainer, Gierthmühlen, Janne, Haanpää, Maija, Hansson, Per, Jensen, Troels S., Kemp, Harriet, Kennedy, Donna, Leffler, Anne‐Sofie, Rice, Andrew S. C., Segerdahl, Märta, Serra, Jordi, Sindrup, Soeren, Solà, Roma, Tölle, Thomas, Schuh‐Hofer, Sigrid, Treede, Rolf‐Detlef, Pogatzki‐Zahn, Esther, Maier, Christoph, Vollert, Jan
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container_issue 6
container_start_page 1058
container_title European journal of pain
container_volume 24
creator Meyer‐Frießem, Christine H.
Attal, Nadine
Baron, Ralf
Bouhassira, Didier
Finnerup, Nanna B.
Freynhagen, Rainer
Gierthmühlen, Janne
Haanpää, Maija
Hansson, Per
Jensen, Troels S.
Kemp, Harriet
Kennedy, Donna
Leffler, Anne‐Sofie
Rice, Andrew S. C.
Segerdahl, Märta
Serra, Jordi
Sindrup, Soeren
Solà, Roma
Tölle, Thomas
Schuh‐Hofer, Sigrid
Treede, Rolf‐Detlef
Pogatzki‐Zahn, Esther
Maier, Christoph
Vollert, Jan
description Background and Aims Healthy women have generally been found to have increased experimental pain perception and chronic pain has a higher prevalence in female as compared to male patients. However, no study has investigated whether pain intensity and pain perception thresholds are distinct or similar between sexes within various chronic pain entities. We investigated whether average pain intensities and pain thresholds assessed using quantitative sensory testing (QST) differed between women and men suffering from three distinct chronic pain conditions: Complex Regional Pain Syndrome (CRPS type I), peripheral nerve injury (PNI) or polyneuropathy (PNP), as compared to paired healthy volunteers. Methods QST data of 1,252 patients (669 female, 583 male) with PNI (n = 342), PNP (n = 571) or CRPS (n = 339), and average pain intensity reports from previously published studies were included. Absolute and z‐values (adjusted for age and body region) of cold, heat, pressure (PPT) and pinprick pain thresholds were compared in generalized linear models with aetiology, duration of underlying pain disease and average pain intensity as fixed effects. Results Average pain intensity during the past four weeks did not differ between women and men, in both mean and range. In women absolute pain thresholds for cold, heat and pinprick were lower than in males across all diagnoses (p 
doi_str_mv 10.1002/ejp.1550
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C. ; Segerdahl, Märta ; Serra, Jordi ; Sindrup, Soeren ; Solà, Roma ; Tölle, Thomas ; Schuh‐Hofer, Sigrid ; Treede, Rolf‐Detlef ; Pogatzki‐Zahn, Esther ; Maier, Christoph ; Vollert, Jan</creator><creatorcontrib>Meyer‐Frießem, Christine H. ; Attal, Nadine ; Baron, Ralf ; Bouhassira, Didier ; Finnerup, Nanna B. ; Freynhagen, Rainer ; Gierthmühlen, Janne ; Haanpää, Maija ; Hansson, Per ; Jensen, Troels S. ; Kemp, Harriet ; Kennedy, Donna ; Leffler, Anne‐Sofie ; Rice, Andrew S. C. ; Segerdahl, Märta ; Serra, Jordi ; Sindrup, Soeren ; Solà, Roma ; Tölle, Thomas ; Schuh‐Hofer, Sigrid ; Treede, Rolf‐Detlef ; Pogatzki‐Zahn, Esther ; Maier, Christoph ; Vollert, Jan</creatorcontrib><description>Background and Aims Healthy women have generally been found to have increased experimental pain perception and chronic pain has a higher prevalence in female as compared to male patients. However, no study has investigated whether pain intensity and pain perception thresholds are distinct or similar between sexes within various chronic pain entities. We investigated whether average pain intensities and pain thresholds assessed using quantitative sensory testing (QST) differed between women and men suffering from three distinct chronic pain conditions: Complex Regional Pain Syndrome (CRPS type I), peripheral nerve injury (PNI) or polyneuropathy (PNP), as compared to paired healthy volunteers. Methods QST data of 1,252 patients (669 female, 583 male) with PNI (n = 342), PNP (n = 571) or CRPS (n = 339), and average pain intensity reports from previously published studies were included. Absolute and z‐values (adjusted for age and body region) of cold, heat, pressure (PPT) and pinprick pain thresholds were compared in generalized linear models with aetiology, duration of underlying pain disease and average pain intensity as fixed effects. Results Average pain intensity during the past four weeks did not differ between women and men, in both mean and range. In women absolute pain thresholds for cold, heat and pinprick were lower than in males across all diagnoses (p &lt; .05). However, after z‐transformation these differences disappeared except for PPT in CRPS (p = .001). Discussion Pain thresholds in patients show only minor sex differences. However, these differences mimic those observed in healthy subjects and do not seem to be linked to specific pathophysiological processes. Significance Female healthy participants and female patients with neuropathic pain conditions or CRPS I report lower pain thresholds compared to males, but pain intensity is similar and there is no sex difference in the extent to which the thresholds are altered in neuropathic pain or CRPS. Thus, the sex differences observed in various chronic pain conditions mimic those obtained in healthy participants, indicating that these differences are not linked to specific pathophysiological processes and are of minor clinical relevance.</description><identifier>ISSN: 1090-3801</identifier><identifier>EISSN: 1532-2149</identifier><identifier>DOI: 10.1002/ejp.1550</identifier><identifier>PMID: 32096888</identifier><language>eng</language><publisher>England: Wiley</publisher><subject>Complex Regional Pain Syndromes - epidemiology ; Female ; Humans ; Life Sciences ; Male ; Neuralgia - epidemiology ; Neurons and Cognition ; Pain Measurement ; Pain Threshold ; Reflex Sympathetic Dystrophy - epidemiology</subject><ispartof>European journal of pain, 2020-07, Vol.24 (6), p.1058-1071</ispartof><rights>2020 European Pain Federation ‐ EFIC</rights><rights>2020 European Pain Federation - EFIC®.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4930-5492b46e389af1462dc1ff6393a0c4e62f5e1f06e3c892b13fc4eb09307b64bd3</citedby><cites>FETCH-LOGICAL-c4930-5492b46e389af1462dc1ff6393a0c4e62f5e1f06e3c892b13fc4eb09307b64bd3</cites><orcidid>0000-0003-0733-5201 ; 0000-0002-3487-6380 ; 0000-0001-5541-0240 ; 0000-0001-9534-5826 ; 0000-0002-3759-1508</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fejp.1550$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fejp.1550$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,550,776,780,881,1411,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32096888$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-02927422$$DView record in HAL$$Hfree_for_read</backlink><backlink>$$Uhttp://kipublications.ki.se/Default.aspx?queryparsed=id:143960362$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Meyer‐Frießem, Christine H.</creatorcontrib><creatorcontrib>Attal, Nadine</creatorcontrib><creatorcontrib>Baron, Ralf</creatorcontrib><creatorcontrib>Bouhassira, Didier</creatorcontrib><creatorcontrib>Finnerup, Nanna B.</creatorcontrib><creatorcontrib>Freynhagen, Rainer</creatorcontrib><creatorcontrib>Gierthmühlen, Janne</creatorcontrib><creatorcontrib>Haanpää, Maija</creatorcontrib><creatorcontrib>Hansson, Per</creatorcontrib><creatorcontrib>Jensen, Troels S.</creatorcontrib><creatorcontrib>Kemp, Harriet</creatorcontrib><creatorcontrib>Kennedy, Donna</creatorcontrib><creatorcontrib>Leffler, Anne‐Sofie</creatorcontrib><creatorcontrib>Rice, Andrew S. C.</creatorcontrib><creatorcontrib>Segerdahl, Märta</creatorcontrib><creatorcontrib>Serra, Jordi</creatorcontrib><creatorcontrib>Sindrup, Soeren</creatorcontrib><creatorcontrib>Solà, Roma</creatorcontrib><creatorcontrib>Tölle, Thomas</creatorcontrib><creatorcontrib>Schuh‐Hofer, Sigrid</creatorcontrib><creatorcontrib>Treede, Rolf‐Detlef</creatorcontrib><creatorcontrib>Pogatzki‐Zahn, Esther</creatorcontrib><creatorcontrib>Maier, Christoph</creatorcontrib><creatorcontrib>Vollert, Jan</creatorcontrib><title>Pain thresholds and intensities of CRPS type I and neuropathic pain in respect to sex</title><title>European journal of pain</title><addtitle>Eur J Pain</addtitle><description>Background and Aims Healthy women have generally been found to have increased experimental pain perception and chronic pain has a higher prevalence in female as compared to male patients. However, no study has investigated whether pain intensity and pain perception thresholds are distinct or similar between sexes within various chronic pain entities. We investigated whether average pain intensities and pain thresholds assessed using quantitative sensory testing (QST) differed between women and men suffering from three distinct chronic pain conditions: Complex Regional Pain Syndrome (CRPS type I), peripheral nerve injury (PNI) or polyneuropathy (PNP), as compared to paired healthy volunteers. Methods QST data of 1,252 patients (669 female, 583 male) with PNI (n = 342), PNP (n = 571) or CRPS (n = 339), and average pain intensity reports from previously published studies were included. Absolute and z‐values (adjusted for age and body region) of cold, heat, pressure (PPT) and pinprick pain thresholds were compared in generalized linear models with aetiology, duration of underlying pain disease and average pain intensity as fixed effects. Results Average pain intensity during the past four weeks did not differ between women and men, in both mean and range. In women absolute pain thresholds for cold, heat and pinprick were lower than in males across all diagnoses (p &lt; .05). However, after z‐transformation these differences disappeared except for PPT in CRPS (p = .001). Discussion Pain thresholds in patients show only minor sex differences. However, these differences mimic those observed in healthy subjects and do not seem to be linked to specific pathophysiological processes. Significance Female healthy participants and female patients with neuropathic pain conditions or CRPS I report lower pain thresholds compared to males, but pain intensity is similar and there is no sex difference in the extent to which the thresholds are altered in neuropathic pain or CRPS. 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However, no study has investigated whether pain intensity and pain perception thresholds are distinct or similar between sexes within various chronic pain entities. We investigated whether average pain intensities and pain thresholds assessed using quantitative sensory testing (QST) differed between women and men suffering from three distinct chronic pain conditions: Complex Regional Pain Syndrome (CRPS type I), peripheral nerve injury (PNI) or polyneuropathy (PNP), as compared to paired healthy volunteers. Methods QST data of 1,252 patients (669 female, 583 male) with PNI (n = 342), PNP (n = 571) or CRPS (n = 339), and average pain intensity reports from previously published studies were included. Absolute and z‐values (adjusted for age and body region) of cold, heat, pressure (PPT) and pinprick pain thresholds were compared in generalized linear models with aetiology, duration of underlying pain disease and average pain intensity as fixed effects. Results Average pain intensity during the past four weeks did not differ between women and men, in both mean and range. In women absolute pain thresholds for cold, heat and pinprick were lower than in males across all diagnoses (p &lt; .05). However, after z‐transformation these differences disappeared except for PPT in CRPS (p = .001). Discussion Pain thresholds in patients show only minor sex differences. However, these differences mimic those observed in healthy subjects and do not seem to be linked to specific pathophysiological processes. Significance Female healthy participants and female patients with neuropathic pain conditions or CRPS I report lower pain thresholds compared to males, but pain intensity is similar and there is no sex difference in the extent to which the thresholds are altered in neuropathic pain or CRPS. 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subjects Complex Regional Pain Syndromes - epidemiology
Female
Humans
Life Sciences
Male
Neuralgia - epidemiology
Neurons and Cognition
Pain Measurement
Pain Threshold
Reflex Sympathetic Dystrophy - epidemiology
title Pain thresholds and intensities of CRPS type I and neuropathic pain in respect to sex
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