{"id":1513,"date":"2014-02-11T00:00:00","date_gmt":"2014-02-11T05:00:00","guid":{"rendered":"https:\/\/icesontario.wpengine.com\/journal-articles\/rates-and-risk-factors-for-prolonged-opioid-use-after-major-surgery-population-based-cohort-study\/"},"modified":"2023-06-14T20:03:30","modified_gmt":"2023-06-15T00:03:30","slug":"rates-and-risk-factors-for-prolonged-opioid-use-after-major-surgery-population-based-cohort-study","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/rates-and-risk-factors-for-prolonged-opioid-use-after-major-surgery-population-based-cohort-study\/","title":{"rendered":"Rates and risk factors for prolonged opioid use after major surgery: population based cohort study"},"content":{"rendered":"<p><strong>Objective<\/strong> &#x2014; To describe rates and risk factors for prolonged postoperative use of opioids in patients who had not previously used opioids and undergoing major elective surgery.<\/p>\n<p><strong>Design<\/strong> &#x2014; Population based retrospective cohort study.<\/p>\n<p><strong>Setting<\/strong> &#x2014;  Acute care hospitals in Ontario, Canada, between 1 April 2003 and 31 March 2010.<\/p>\n<p><strong>Participants<\/strong> &#x2014; 39&#x2009;140 opioid na&#xef;ve patients aged 66 years or older who had major elective surgery, including cardiac, intrathoracic, intra-abdominal, and pelvic procedures.<\/p>\n<p><strong>Main Outcome Measure<\/strong> &#x2014; Prolonged opioid use after discharge, as defined by ongoing outpatient prescriptions for opioids for more than 90 days after surgery.<\/p>\n<p><strong>Results<\/strong> &#x2014; Of the 39&#x2009;140 patients in the entire cohort, 49.2% (n=19&#x2009;256) were discharged from hospital with an opioid prescription, and 3.1% (n=1229) continued to receive opioids for more than 90 days after surgery. Following risk adjustment with multivariable logistic regression modelling, patient related factors associated with significantly higher risks of prolonged opioid use included younger age, lower household income, specific comorbidities (diabetes, heart failure, pulmonary disease), and use of specific drugs preoperatively (benzodiazepines, selective serotonin reuptake inhibitors, angiotensin converting enzyme inhibitors). The type of surgical procedure was also highly associated with prolonged opioid use. Compared with open radical prostatectomies, both open and minimally invasive thoracic procedures were associated with significantly higher risks (odds ratio 2.58, 95% confidence interval 2.03 to 3.28 and 1.95 1.36 to 2.78, respectively). Conversely, open and minimally invasive major gynaecological procedures were associated with significantly lower risks (0.73, 0.55 to 0.98 and 0.45, 0.33 to 0.62, respectively).<\/p>\n<p><strong>Conclusions<\/strong> &#x2014; Approximately 3% of previously opioid na&#xef;ve patients continued to use opioids for more than 90 days after major elective surgery. Specific patient and surgical characteristics were associated with the development of prolonged postoperative use of opioids. These findings can help better inform understanding about the long term risks of opioid treatment for acute postoperative pain and define patient subgroups that warrant interventions to prevent progression to prolonged postoperative opioid use.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objective &#x2014; To describe rates and risk factors for prolonged postoperative use of opioids in patients who had not previously used opioids and undergoing major elective surgery. Design &#x2014; Population based retrospective cohort study. Setting &#x2014; Acute care hospitals in Ontario, Canada, between 1 April 2003 and 31 March 2010. Participants &#x2014; 39&#x2009;140 opioid na&#xef;ve [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[56,25],"migration-helper-qa-sample-set":[],"class_list":["post-1513","journal_article","type-journal_article","status-publish","hentry","topic-pharmacoepidemiology-and-drug-safety","topic-surgery"],"acf":{"citation":"Clarke H, Soneji N, Ko DT, Yun L, Wijeysundera DN. <em>BMJ<\/em>. 2014; 348:g1251. Epub 2014 Feb 11.","source_url":"https:\/\/www.bmj.com\/content\/348\/bmj.g1251.long","ices_scientist":[1146,1132],"site":[6733],"research_program":[6742],"news_release":[7292],"journal_article":[],"atlas":[],"research_report":[],"infographic":[],"video":[],"downloads":null,"links":null,"sitecore_item_id":"EBE5F4BB-3DB8-41DF-83D1-CE00CDF98B1E","sitecore_item_name":"Rates-and-risk-factors-for-prolonged-opioid-use-after-major-surgery","sitecore_field_values":"{\n  \"Title\": \"Rates and risk factors for prolonged opioid use after major surgery: population based cohort study\",\n  \"Short title\": \"Rates and risk factors for prolonged\",\n  \"Citation\": \"<p>Clarke H, Soneji N, Ko DT, Yun L, Wijeysundera DN. <em>BMJ<\/em>. 2014; 348:g1251. Epub 2014 Feb 11.<\/p>\",\n  \"Abstract\": \"<p><strong>Objective<\/strong> &mdash; To describe rates and risk factors for prolonged postoperative use of opioids in patients who had not previously used opioids and undergoing major elective surgery.<\/p>n<p><strong>Design<\/strong> &mdash; Population based retrospective cohort study.<\/p>n<p><strong>Setting<\/strong> &mdash;  Acute care hospitals in Ontario, Canada, between 1 April 2003 and 31 March 2010.<\/p>n<p><strong>Participants<\/strong> &mdash; 39&thinsp;140 opioid na&iuml;ve patients aged 66 years or older who had major elective surgery, including cardiac, intrathoracic, intra-abdominal, and pelvic procedures.<\/p>n<p><strong>Main Outcome Measure<\/strong> &mdash; Prolonged opioid use after discharge, as defined by ongoing outpatient prescriptions for opioids for more than 90 days after surgery.<\/p>n<p><strong>Results<\/strong> &mdash; Of the 39&thinsp;140 patients in the entire cohort, 49.2% (n=19&thinsp;256) were discharged from hospital with an opioid prescription, and 3.1% (n=1229) continued to receive opioids for more than 90 days after surgery. Following risk adjustment with multivariable logistic regression modelling, patient related factors associated with significantly higher risks of prolonged opioid use included younger age, lower household income, specific comorbidities (diabetes, heart failure, pulmonary disease), and use of specific drugs preoperatively (benzodiazepines, selective serotonin reuptake inhibitors, angiotensin converting enzyme inhibitors). The type of surgical procedure was also highly associated with prolonged opioid use. Compared with open radical prostatectomies, both open and minimally invasive thoracic procedures were associated with significantly higher risks (odds ratio 2.58, 95% confidence interval 2.03 to 3.28 and 1.95 1.36 to 2.78, respectively). Conversely, open and minimally invasive major gynaecological procedures were associated with significantly lower risks (0.73, 0.55 to 0.98 and 0.45, 0.33 to 0.62, respectively).<\/p>n<p><strong>Conclusions<\/strong> &mdash; Approximately 3% of previously opioid na&iuml;ve patients continued to use opioids for more than 90 days after major elective surgery. Specific patient and surgical characteristics were associated with the development of prolonged postoperative use of opioids. These findings can help better inform understanding about the long term risks of opioid treatment for acute postoperative pain and define patient subgroups that warrant interventions to prevent progression to prolonged postoperative opioid use.<\/p>n<p><a href=\"https:\/\/www.bmj.com\/content\/348\/bmj.g1251.long\" title=\"opens external link\">View full text<\/a><\/p>\",\n  \"Keywords\": \"{9BFE8304-A69B-4322-82EF-4930556FD32C}|{9F514AF9-2526-48FE-8414-54C443CF99AD}\",\n  \"Related Products\": \"<h2>News Release<\/h2>rn<h3><a href=\"~\/link.aspx?_id=59B08AEF43104EFAB85D79AACB96BCF6&amp;_z=z\">About 3% of patients who were not taking opioid painkillers before major surgery continue to use them for more than 90 days after their operation<\/a><\/h3>\",\n  \"Research Programs\": \"{BEC72DE0-BA8C-42B8-ACE5-EE29FFB2CB3B}\",\n  \"ICES Locations\": \"{4FCAABBA-14A5-42E6-8F33-BC6C2F1D9908}\",\n  \"ICES Scientists\": \"{B3827152-93D1-4FB2-B106-590CB331A264}|{22E01D03-965E-4F09-9CC2-6BC40EC9403D}\",\n  \"Posted Date\": \"20140211T000000\",\n  \"Show on Publications Landing Page\": \"1\"\n}","previous_url":"https:\/\/www.ices.on.ca\/Publications\/Journal-Articles\/2014\/January\/Rates-and-risk-factors-for-prolonged-opioid-use-after-major-surgery"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Rates and risk factors for prolonged opioid use after major surgery: population based cohort study<\/title>\n<meta name=\"description\" content=\"Objective &#x2014; 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