Nicholas J Cutrufello1, Vlad D Ianus2, James A Rowley3. 1. Raymond G Murphy New Mexico Veterans Affairs. 2. University of New Mexico, Albuquerque, New Mexico. 3. Wayne State University School of Medicine, Detroit, Michigan, USA.
Abstract
PURPOSE OF REVIEW: Summarize the effects of opioids on sleep including sleep architecture, sleep disordered breathing (SDB) and restless legs syndrome. RECENT FINDINGS: Opioids are associated with the development of central sleep apnea (CSA) and ataxic breathing. Recent reports suggest that adaptive servo-ventilation may be an effective treatment for CSA associated with opioids. SUMMARY: Opioids have multiple effects on sleep, sleep architecture and SDB. Although originally described with methadone use, most commonly used opioids have also been shown to affect sleep. In patients on chronic methadone, sleep architecture changes include decreases in N3 and REM sleep. However, in patients with chronic nonmalignant pain, opioids improve sleep quality and sleep time. Opioids, generally at a morphine equivalent dose more than 100 mg/day, are associated with an increased incidence of CSA and ataxic breathing as well as obstructive sleep apnea. Other risk factors may include concomitant use of other medications such as antidepressants, gabapentinoids and benzodiazepines. Opioid-induced CSA can be potentially treated with adaptive servo-ventilation. Finally, opioids are a potential therapeutic option for restless legs syndrome unresponsive to dopamine agonists and other medications. However, use in patients with restless legs syndrome should proceed with caution, taking into account the risk for dependence and development of SDB.
PURPOSE OF REVIEW: Summarize the effects of opioids on sleep including sleep architecture, sleep disordered breathing (SDB) and restless legs syndrome. RECENT FINDINGS: Opioids are associated with the development of central sleep apnea (CSA) and ataxic breathing. Recent reports suggest that adaptive servo-ventilation may be an effective treatment for CSA associated with opioids. SUMMARY: Opioids have multiple effects on sleep, sleep architecture and SDB. Although originally described with methadone use, most commonly used opioids have also been shown to affect sleep. In patients on chronic methadone, sleep architecture changes include decreases in N3 and REM sleep. However, in patients with chronic nonmalignant pain, opioids improve sleep quality and sleep time. Opioids, generally at a morphine equivalent dose more than 100 mg/day, are associated with an increased incidence of CSA and ataxic breathing as well as obstructive sleep apnea. Other risk factors may include concomitant use of other medications such as antidepressants, gabapentinoids and benzodiazepines. Opioid-induced CSA can be potentially treated with adaptive servo-ventilation. Finally, opioids are a potential therapeutic option for restless legs syndrome unresponsive to dopamine agonists and other medications. However, use in patients with restless legs syndrome should proceed with caution, taking into account the risk for dependence and development of SDB.
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