{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T16:58:20Z","timestamp":1771952300543,"version":"3.50.1"},"reference-count":57,"publisher":"Wiley","license":[{"start":{"date-parts":[[2017,10,15]],"date-time":"2017-10-15T00:00:00Z","timestamp":1508025600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100006752","name":"University of Porto","doi-asserted-by":"crossref","award":["NORTE-01-0145-FEDER-000016"],"award-info":[{"award-number":["NORTE-01-0145-FEDER-000016"]}],"id":[{"id":"10.13039\/501100006752","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100008530","name":"European Regional Development Fund","doi-asserted-by":"publisher","award":["NORTE-01-0145-FEDER-000016"],"award-info":[{"award-number":["NORTE-01-0145-FEDER-000016"]}],"id":[{"id":"10.13039\/501100008530","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pain Research and Treatment"],"published-print":{"date-parts":[[2017,10,15]]},"abstract":"<jats:p><jats:italic>Background<\/jats:italic>. Interventional Pain Management (IPM) is performed in multidisciplinary chronic pain clinics (MCPC), including a range of invasive techniques to diagnose and treat chronic pain (CP) conditions. Current patterns of use of those techniques in MCPC have not yet been reported.<jats:italic> Objective<\/jats:italic>. We aimed to describe quantitatively and qualitatively the use of IPM and other therapeutic procedures performed on-site at four Portuguese MCPC.<jats:italic> Methods<\/jats:italic>. A prospective cohort study with one-year follow-up was performed in adult patients. A structured case report form was systematically completed at baseline and six and 12 months.<jats:italic> Results<\/jats:italic>. Among 808 patients referred to the MCPC, 17.2% had been prescribed IPM. Patients with IPM were on average younger and had longer CP duration and lower levels of maximum pain and pain interference\/disability. The three main diagnoses were low back pain (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mi>n<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">28<\/mml:mn><\/mml:math>), postoperative CP, and knee pain (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mi>n<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">16<\/mml:mn><\/mml:math> each). From 195 IPM prescribed, nerve blocks (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mi>n<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">108<\/mml:mn><\/mml:math>), radiofrequency (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M4\"><mml:mi>n<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">31<\/mml:mn><\/mml:math>), and viscosupplementation (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M5\"><mml:mi>n<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">22<\/mml:mn><\/mml:math>) were the most prevalent. Some IPM techniques were only available in few MCPC. One MCPC did not provide IPM.<jats:italic> Conclusions<\/jats:italic>. IPM are seldom prescribed in Portuguese MCPC. Further studies on IPM safety and effectiveness are necessary for clear understanding the role of these techniques in CP management.<\/jats:p>","DOI":"10.1155\/2017\/8402413","type":"journal-article","created":{"date-parts":[[2017,10,15]],"date-time":"2017-10-15T23:32:31Z","timestamp":1508110351000},"page":"1-11","source":"Crossref","is-referenced-by-count":3,"title":["Interventional Pain Management in Multidisciplinary Chronic Pain Clinics: A Prospective Multicenter Cohort Study with One-Year Follow-Up"],"prefix":"10.1155","volume":"2017","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0357-8361","authenticated-orcid":true,"given":"Cl\u00e1udia","family":"Gouvinhas","sequence":"first","affiliation":[{"name":"Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal"}]},{"given":"Dalila","family":"Veiga","sequence":"additional","affiliation":[{"name":"Chronic Pain Center-Anesthesiology Department, Centro Hospitalar do Porto, Porto, Portugal"}]},{"given":"Liliane","family":"Mendon\u00e7a","sequence":"additional","affiliation":[{"name":"National Observatory for Pain (NOPain), Porto, Portugal"}]},{"given":"Rute","family":"Sampaio","sequence":"additional","affiliation":[{"name":"Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal"},{"name":"Institute for Molecular and Cell Biology (IBMC), University of Porto, Porto, Portugal"}]},{"given":"Lu\u00eds Filipe","family":"Azevedo","sequence":"additional","affiliation":[{"name":"National Observatory for Pain (NOPain), Porto, Portugal"},{"name":"Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Porto, Portugal"},{"name":"Centre for Health Technology and Services Research (CINTESIS), University of Porto, Porto, Portugal"}]},{"given":"Jos\u00e9 Manuel","family":"Castro-Lopes","sequence":"additional","affiliation":[{"name":"Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal"},{"name":"National Observatory for Pain (NOPain), Porto, Portugal"},{"name":"Institute for Molecular and Cell Biology (IBMC), University of Porto, Porto, 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