Nasopharyngeal Necrosis After Chronic Opioid (Oxycodone/Acetaminophen) Insufflation.
Summary of "Nasopharyngeal Necrosis After Chronic Opioid (Oxycodone/Acetaminophen) Insufflation."
Nasopharyngeal necrosis resulting from narcotic insufflation is a recognized phenomenon, but cocaine use is more commonly associated with this pathology than opioid abuse. Physical exam findings associated with severe tissue destruction are not routinely seen on physical examination or available in the medical literature. We present a case of chronic oxycodone/acetaminophen insufflation and images of a defect in the soft palate.
Department of Emergency Medicine, Division of Medical Toxicology, University of Massachusetts Medical Center, 55 Lake Avenue North, LA-216, Worcester, MA, 01655, USA, email@example.com.
This article was published in the following journal.
Name: Journal of medical toxicology : official journal of the American College of Medical Toxicology
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22415885
- DOI: http://dx.doi.org/10.1007/s13181-012-0217-3
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Medical and Biotech [MESH] Definitions
A derivative of the opioid alkaloid THEBAINE that is a more potent and longer lasting analgesic than MORPHINE. It appears to act as a partial agonist at mu and kappa opioid receptors and as an antagonist at delta receptors. The lack of delta-agonist activity has been suggested to account for the observation that buprenorphine tolerance may not develop with chronic use.
A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a mu-opioid agonist. It has actions and uses similar to those of MORPHINE. It also has a depressant action on the cough center and may be given to control intractable cough associated with terminal lung cancer. Methadone is also used as part of the treatment of dependence on opioid drugs, although prolonged use of methadone itself may result in dependence. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1082-3)
A class of opioid receptors recognized by its pharmacological profile. Kappa opioid receptors bind dynorphins with a higher affinity than endorphins which are themselves preferred to enkephalins.
A class of opioid receptors recognized by its pharmacological profile. Mu opioid receptors bind, in decreasing order of affinity, endorphins, dynorphins, met-enkephalin, and leu-enkephalin. They have also been shown to be molecular receptors for morphine.
INFLAMMATION of the LIVER with ongoing hepatocellular injury for 6 months or more, characterized by NECROSIS of HEPATOCYTES and inflammatory cell (LEUKOCYTES) infiltration. Chronic hepatitis can be caused by viruses, medications, autoimmune diseases, and other unknown factors.