{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,2]],"date-time":"2026-01-02T07:46:34Z","timestamp":1767339994218,"version":"3.41.2"},"reference-count":29,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,9,16]],"date-time":"2021-09-16T00:00:00Z","timestamp":1631750400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100009680","name":"Yale Liver Center","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100009680","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Neurogastroenterology Motil"],"published-print":{"date-parts":[[2022,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background and Aims<\/jats:title><jats:p>Chronic opioid effects on the esophagus are poorly understood. We investigated whether opioids were associated with increased prevalence of esophageal motility disorders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective study of all patients undergoing high\u2010resolution manometry (HREM) at the Yale Gastrointestinal Motility Lab between January 2014 and August 2019. Data were extracted from the electronic medical record after studies were reviewed by two motility specialists using the Chicago Classification v.3.0. We compared the manometric results of patients who use opioids to those who do not and adjusted for type and dose of opioids using a 24\u00a0h Morphine Milligram Equivalents (MME) scale to compare patients taking low or high amounts of opioids.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Four manometric abnormalities were significantly different between the opioid and non\u2010opioid users. Achalasia type III, esophagogastric junction outflow obstruction (EGJOO), and distal esophageal spasm (DES) (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.005, <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.01, and <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.005, respectively) were common among opioid users, whereas ineffective esophageal motility (IEM) was more common among non\u2010opioid users (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.01). The incidence of EGJOO was significantly higher in opioid users compared to non\u2010opioid users (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001). Lastly, IRP, DCI, and distal latency were significantly different between the two groups.<\/jats:p><jats:p>Patients in the high MME group had significantly greater IRP, DCI, and lower distal latency than non\u2010opioids (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001). Also, achalasia type III and DES were more common in the high but not the low MME group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Opioid use is associated with multiple abnormalities on esophageal motility and these effects may be dose\u2010dependent.<\/jats:p><\/jats:sec>","DOI":"10.1111\/nmo.14233","type":"journal-article","created":{"date-parts":[[2021,9,17]],"date-time":"2021-09-17T04:36:17Z","timestamp":1631853377000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Chronic opioid use is associated with obstructive and spastic disorders in the esophagus"],"prefix":"10.1111","volume":"34","author":[{"given":"Mayra J.","family":"Sanchez","sequence":"first","affiliation":[{"name":"Department of Medicine Section of Digestive Diseases Yale University School of Medicine  New Haven CT 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