Articles: opioid.
-
Opioid analgesics are widely used as effective analgesics for the treatment of moderate-to-severe pain. However, the analgesic efficacy of opioids is well known to vary widely among individuals, and effective pain treatment is hampered by vast individual differences. Although these differences in opioid requirements have been attributed to various factors, genetic factors are becoming increasingly relevant to the development of genome science. ⋯ Personalized pain treatment has begun using prediction formulas based on associated gene polymorphisms. Improvements in personalized pain treatment are expected as scientific knowledge further expands in the future.
-
The aim of this study was to determine the steroidogenic endocrine disrupting effect of three widely used serotonin-noradrenaline reuptake inhibitors duloxetine, venlafaxine and tramadol, using two in vitro models, the H295R assay and a recombinant CYP17 enzyme assay. Steroid hormones were quantified using LC-MS/MS. Duloxetine showed endocrine disrupting effects at 5-20μM with CYP17 being the main target. ⋯ Overall, results from the recombinant CYP17 assay confirmed the results from the H295R cell assay. Using testosterone as end point, the margin of safety (defined as NOAEL/Cmax) for duloxetine was 1.6 indicating that duloxetine may have endocrine disrupting effects. In contrast, venlafaxine and tramadol showed higher margins of safety (venlafaxine: 24; tramadol: 157) indicating a lower potential to disrupt the human steroidogenesis.
-
The purpose of our study is to examine post-operative opioid use in total hip arthroplasty (THA) and total knee arthroplasty (TKA) patients and describe factors associated with the need for refill prescriptions. ⋯ Compared to THA patients, TKA patients were twice as likely to require refill opioid prescriptions and were prescribed a greater total MED for a longer period of time post-operatively. Patients undergoing TKA who present with a comorbidity or are currently being treated for anxiety or depression are more likely to require a refill.
-
Observational Study
Association of opioid prescription and perioperative complications in obstructive sleep apnea patients undergoing total joint arthroplasties.
Obstructive sleep apnea (OSA) has been linked to higher rates of perioperative complications. Practice guidelines recommend minimizing opioids in this cohort to reduce complications. However, a paucity of evidence exists relating different levels of opioid prescription to perioperative complications. Our aim was to investigate if different levels of opioid prescription are related to perioperative complication risk in patients with OSA. ⋯ Higher levels of opioid prescription were associated with higher odds for gastrointestinal complications and adverse effects on cost and length of stay but lower odds for pulmonary complications in OSA patients undergoing joint arthroplasties. The latter finding is unlikely causal but may represent more preventive measures and early interventions among those patients. Attempts to reduce opioid prescription should be undertaken to improve quality and safety of care in this challenging cohort in the perioperative setting.
-
The U.S. opioid epidemic has been driven by the high volume of opioids prescribed by healthcare providers. U.S. states have recently enacted four types of laws designed to curb high-risk prescribing practices, such as high-dose and long-term opioid prescribing, associated with opioid-related mortality: (1) mandatory Prescription Drug Monitoring Program (PDMP) enrollment laws, which require prescribers to enroll in their state's PDMP, an electronic database of patients' controlled substance prescriptions, (2) mandatory PDMP query laws, which require prescribers to query the PDMP prior to prescribing an opioid, (3) opioid prescribing cap laws, which limit the dose and/or duration of opioid prescriptions, and (4) pill mill laws, which strictly regulate pain clinics to prevent nonmedical opioid prescribing. Some pain experts have expressed concern that these laws could negatively affect pain management among patients with chronic non-cancer pain. This paper describes the protocol for a mixed-methods study analyzing the independent effects of these four types of laws on opioid prescribing patterns and chronic non-cancer pain treatment, accounting for variation in implementation and enforcement of laws across states. ⋯ Study of mandatory PDMP enrollment, mandatory PDMP query, opioid prescribing cap, and pill mill laws is timely given a dynamic policy environment in which numerous states pass, revise, implement, and enforce varied laws to address opioid prescribing each year. Findings will inform enactment, implementation, and enforcement of these laws in additional states.