Browse Items (10 total)

Opioids are the most effective and widely used drugs in the treatment of severe pain. They act through G protein-coupled receptors. Four families of endogenous ligands (opioid peptides) are known. The standard exogenous opioid analgesic is morphine.…

Development of analgesic tolerance and withdrawal-induced pain enhancement present serious difficulties for the use of opioids for pain control. Although neuronal mechanisms to account for these phenomena have been sought for many decades, their…

The treatment of severe pain with opioids has thus far been limited by their unwanted central side effects. Recent research promises new approaches, including opioid analgesics acting outside the central nervous system, targeting of opioid…

BACKGROUND. Development of tolerance to opioid analgesics occurs often in patients with cancer-related pain. Cross-tolerance among opioid analgesics provides the physician with a major management problem. Incomplete cross-tolerance among opioid…

We describe the successful use of methadone in the restoration of sedation and provision of analgesia in two morphine-tolerant, paediatric patients who had suffered significant thermal injuries and were undergoing mechanical ventilation. Both…

AIM: To assess the use of methadone in patients with cancer pain who fail to respond to increasing doses of other opioids or experience intolerable side-effects from them. METHOD: Inpatients of a specialist palliative care unit were titrated onto…

OBJECTIVE: To describe the consequences of the prolonged administration of sedative and analgesic agents to the pediatric intensive care unit (PICU) patient. The problems to be investigated include tolerance, physical dependency, and withdrawal. DATA…
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