Articles: analgesics.
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Postoperative analgesic requirements of a series of 45 patients who underwent orthognathic surgery are presented. Of the first 25 patients treated before a minimal analgesic protocol was begun, 21 received narcotic medication for relief of discomfort. In the second group of 20 patients, five received mild analgesics and one received a narcotic. A combination of factors such as paresthesia, immobilization, premedication, steroids, and residual effects of general anesthetic agents probably contributed to the relative lack of severe pain after orthognathic surgery.
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Comparative Study
Quantitative comparison of the analgesic and anti-inflammatory activities of aspirin, phenacetin and acetaminophen in rodents.
The mild analgesic activities of aspirin, phenacetin and acetaminophen have been compared in the trypsin, kaolin and carrageenan hyperalgesic assays as well as in the acetic acid writhing test. The trypsin and kaolin hyperalgesic assays were designed to be unaffected by drugs with anti-inflammatory activity. Aspirin and acetaminophen were inactive in these two tests at dose levels devoid of side effects. ⋯ Both of these latter drugs were active in the carrageenan pleurisy and adjuvant arthritis models of inflammation. In all studies phenacetin was equipotent to or more potent than acetaminophen. The data suggest that the analgesia produced by aspirin and acetaminophen results from their anti-inflammatory activity whereas the analgesia produced by phenacetin has two components, one dependent on and one independent of anti-inflammatory activity.
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In 150 patients buprenorphine was given as postoperative analgesic in a dose of 4 microgram/kg. Pain suppression was judged very good (71%), fairly good (24%) and insufficient (5%). Analgesic activity lasted at least 325 +/- 15 min. Side effects were few.