Articles: opioid-analgesics.
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BMJ Support Palliat Care · Sep 2020
Case ReportsNaloxegol rescue with methylnaltrexone highly effective.
Opioid-induced constipation (OIC) is common and can significantly affect quality of life. Naloxegol and methylnaltrexone are peripherally acting µ-opioid receptor antagonists (PAMORAs) which are effective for the management of OIC. We report on a case in the palliative care setting where a patient with established OIC had an inadequate response to naloxegol but an effective and immediate response to methylnaltrexone at the dose recommended for her weight. This is the first reported case of two PAMORAs used concomitantly.
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Abdominal myofascial pain syndrome is an important cause of refractory chronic abdominal pain. It causes severe functional impairment resulting in significant patient distress and substantial health care costs, and it can be a challenge to treat. Opioid consumption is a recognized challenge in this cohort. ⋯ The authors present the first prospective practice-based evidence report on the long-term outcomes in patients diagnosed with abdominal myofascial pain syndrome. There was significant reduction in opioid consumption at 12 months and over two-thirds of patients reported significant durable relief on long-term follow-up. The authors present their recommendation for managing this complex group of patients.
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Pediatric emergency care · Sep 2020
Intranasal Fentanyl and Midazolam for Procedural Analgesia and Anxiolysis in Pediatric Urgent Care Centers.
Intranasal fentanyl and midazolam use is increasing in the acute care setting for analgesia and anxiolysis, but there is a lack of literature demonstrating their use, alone or in combination, at pediatric urgent care centers. ⋯ Intranasal fentanyl and midazolam when administrated alone and in combination can provide analgesia and anxiolysis for minor procedures in pediatric patients treated in the urgent care setting.
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Respir Physiol Neurobiol · Sep 2020
Activation of μ-opioid receptors differentially affects the preBötzinger Complex and neighbouring regions of the respiratory network in the adult rabbit.
The role of the different components of the respiratory network in the mediation of opioid-induced respiratory depression is still unclear. We investigated the contribution of the preBötzinger Complex (preBötC) and the neighbouring Bötzinger Complex (BötC) and inspiratory portion of the ventral respiratory group (iVRG) in anesthetized, vagotomized, paralyzed and artificially ventilated adult rabbits making use of bilateral microinjections (30-50 nl) of the μ-opioid receptor agonist [D-Ala2, N-Me-Phe4, Gly5-ol]-enkephalin (DAMGO). Dose-dependent effects were observed. ⋯ In the iVRG DAMGO provoked decreases in amplitude and frequency of phrenic bursts at 0.1 mM and apnea at 0.5 mM. Local 5 mM naloxone reversed the apneic effects. The results imply that different components of the respiratory network may contribute to opioid-induced respiratory disorders.