2019
DOI: 10.1007/s11916-019-0783-z
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Comprehensive Perioperative Management Considerations in Patients Taking Methadone

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Cited by 11 publications
(7 citation statements)
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“…Fractionating the methadone dose (TID or QID) may improve analgesia; however, the outpatient methadone daily dose should again ideally not be increased. 82,83…”
Section: Perioperative Considerations For Patients Prescribed Moudmentioning
confidence: 99%
“…Fractionating the methadone dose (TID or QID) may improve analgesia; however, the outpatient methadone daily dose should again ideally not be increased. 82,83…”
Section: Perioperative Considerations For Patients Prescribed Moudmentioning
confidence: 99%
“…Researchers have proposed algorithms for managing patients on methadone presenting for elective surgery. If the patient can tolerate oral medication, then it is advised to continue oral methadone on the morning of surgery and throughout the perioperative period ( 16 , 21 , 27 ). If the patient is unable to do so, then methadone can be dosed parenterally at a dose half to two-thirds of the maintenance dose divided into two to four equal doses a day ( 21 ).…”
Section: Summary Of Evidencementioning
confidence: 99%
“…In situations when methadone is not available, the conversion of methadone to any opioid can be performed; however, the conversion calculations may not be bidirectional due to the long half-life of methadone ( 21 ). A multimodal approach ( 16 , 27 ) including the perioperative infusion of ketamine ( 28 , 29 , 30 ), clonidine ( 31 ), and the use of regional anesthesia ( 32 ) should be considered. In a retrospective cohort study performed by Macintyre et al ( 26 ), methadone opioid substitution therapy was continued and it showed the efficacy and safety of PCA opioids for the management of postoperative pain ( 26 ).…”
Section: Summary Of Evidencementioning
confidence: 99%
“…Another challenge involves more vigilant postoperative monitoring. Escalating doses increase the risk of cardiac and neurologic depression and opioid-induced hypoventilation (Cornett et al 2019). These adverse events are nine times more likely to occur when patients take more than 100mg oral morphine equivalents (OMEs) daily compared with less than 20mg OMEs daily (Cornett et al 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Escalating doses increase the risk of cardiac and neurologic depression and opioid-induced hypoventilation (Cornett et al 2019). These adverse events are nine times more likely to occur when patients take more than 100mg oral morphine equivalents (OMEs) daily compared with less than 20mg OMEs daily (Cornett et al 2019). Owing to the various opioid formulations, doses, and delivery methods of opioids, the term OMEs is used to describe opioid use and also to compare or convert one opioid to another.…”
Section: Introductionmentioning
confidence: 99%