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Query: UMLS:C0344307 (analgesia)
 28,200 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This randomised, double-blind study compared single dose lumiracoxib (a cyclooxygenase-2 selective inhibitor) 100 and 400 mg, ibuprofen 400 mg and placebo in patients with postoperative dental pain over 12 h. The primary efficacy variable was pain intensity difference. Lumiracoxib 400 mg and ibuprofen were superior to placebo from 1 to 12 h post dose while lumiracoxib 100 mg was superior from 1.5 to 9 h. Lumiracoxib 400 mg demonstrated the fastest median time to onset of analgesia (37.4 min) followed by ibuprofen (41.5), and lumiracoxib 100 mg (52.4; all p < or = 0.001 vs. placebo). Median time to rescue medication (h) was longer for lumiracoxib 400 mg (> or = 12), lumiracoxib 100 mg (approximately 7) and ibuprofen (approximately 8) than placebo (approximately 2; all p < or = 0.001 vs. placebo). Patients rated lumiracoxib 400 mg superior to the other active treatments (p < 0.05); lumiracoxib 100 mg was comparable with ibuprofen and superior to placebo (p < 0.001). Lumiracoxib provided rapid, effective and well-tolerated analgesia.
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PMID:Analgesic efficacy of single oral doses of lumiracoxib and ibuprofen in patients with postoperative dental pain. 1511 91

Valdecoxib is an orally administered, highly selective cyclo-oxygenase (COX)-2 inhibitor with anti-inflammatory and analgesic properties. In well designed trials, valdecoxib demonstrated efficacy versus placebo in patients with osteoarthritis (OA), rheumatoid arthritis (RA), primary dysmenorrhoea and postoperative pain. Initial results in patients with migraine headache were promising. The efficacy of valdecoxib appears dose dependent up to 40 mg/day. Valdecoxib 10 mg/day was as effective as naproxen and rofecoxib in improving signs and symptoms of OA. The American College of Rheumatology 20% response rate was similar in recipients of valdecoxib, naproxen and diclofenac in patients with RA. In patients with dysmenorrhoea, valdecoxib 20 or 40 mg up to twice daily provided as effective pain relief as naproxen sodium 550 mg twice daily. In acute post-surgical pain, single-dose valdecoxib 40 mg had a rapid onset of action, provided similar analgesia to oxycodone 10 mg plus paracetamol (acetaminophen) 1000 mg and provided a longer time to rescue medication than rofecoxib or oxycodone/paracetamol after oral surgery. Pre-emptive administration of valdecoxib 10-80 mg was particularly effective in dental pain. Valdecoxib had opioid-sparing effects after hip or knee arthroplasty and reduced pain after laparoscopic cholecystectomy. Valdecoxib is generally well tolerated. The incidence of gastroduodenal ulcers was generally lower than with nonselective NSAIDs (i.e. NSAIDs not specifically developed as selective COX-2 inhibitors). With concomitant aspirin, the ulcer rate in valdecoxib recipients increased significantly, but was still lower than that in recipients of aspirin plus nonselective NSAIDs. In conclusion, valdecoxib, a COX-2-selective inhibitor, is as efficacious in pain relief as nonselective NSAIDs, with better gastrointestinal tolerability. It was as effective in RA, OA and primary dysmenorrhoea (the approved indications) as nonselective NSAIDs and as effective as rofecoxib in RA flare. In acute post-surgical pain, valdecoxib provided similar pain relief to oxycodone/paracetamol, had a long duration of action, a rapid onset of analgesia and was opioid-sparing. Valdecoxib provides a valuable alternative in the treatment of chronic arthritis pain and acute pain.
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PMID:Valdecoxib: a review of its use in the management of osteoarthritis, rheumatoid arthritis, dysmenorrhoea and acute pain. 1516 29

Clinical studies that have used the third molar extraction model for acute post-operative dental pain have demonstrated the usefulness of nonsteroidal anti-inflammatory drugs (NSAIDs) as a preoperative analgesic. Despite this evidence, the use of preoperative analgesia is still not widespread. This article reviews the preoperative use of NSAIDs for reducing postoperative dental pain and includes recommendations to implement the use of NSAIDs in patients undergoing elective surgical interventions.
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PMID:Preoperative nonsteroidal anti-inflammatory agents: review of the literature. 1531 40

Our objective in this study was to compare the analgesic effects of etoricoxib and oxycodone/acetaminophen in a postoperative dental pain model. Patients experiencing moderate to severe pain after extraction of two or more third molars were randomized to single doses of etoricoxib 120 mg (n = 100), oxycodone/acetaminophen 10/650 mg (n = 100), or placebo (n = 25). The primary end-point was total pain relief over 6 h. Other end-points included patient global assessment of response to therapy; onset, peak, and duration of effect; and rescue opioid analgesic use. Active treatments were statistically significantly superior to placebo for all efficacy measures. Total pain relief over 6 h for etoricoxib was significantly more than for oxycodone/acetaminophen (P < 0.001). Patient global assessment of response to therapy at 6 and 24 h was superior for etoricoxib. Both drugs achieved rapid onset, although the time was faster for oxycodone/acetaminophen by 5 min. The peak effect was similar for both drugs. Compared with oxycodone/acetaminophen patients, etoricoxib patients experienced a longer analgesic duration, had a smaller percentage requiring rescue opioids during 6 and 24 h, and required less rescue analgesia during 6 and 24 h. Oxycodone/acetaminophen treatment resulted in more frequent adverse events (AEs), drug-related AEs, nausea, and vomiting compared with etoricoxib treatment. In conclusion, etoricoxib 120 mg provided superior overall efficacy compared with oxycodone/acetaminophen 10/650 mg and was associated with significantly fewer AEs.
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PMID:The analgesic efficacy of etoricoxib compared with oxycodone/acetaminophen in an acute postoperative pain model: a randomized, double-blind clinical trial. 1533 15

There is convincing evidence that acupuncture (AP) is effective for the treatment of postoperative and chemotherapy-induced nausea/vomiting, as well as postoperative dental pain. Less convincing data support AP's efficacy for chronic pain conditions, including headache, fibromyalgia and low back pain. There is no evidence that AP is effective in treating addiction, insomnia, obesity, asthma or stroke deficits. AP seems to be efficacious for alleviating experimental pain by increasing pain thresholds in human subjects and it appears to activate analgesic brain mechanisms through the release of neurohumoral factors, some of which can be inhibited by the opioid antagonist naloxone. In contrast to placebo analgesia, AP-related pain relief takes some time to develop and to resolve. Furthermore, repetitive use of AP analgesia can result in tolerance that demonstrates cross-tolerance with morphine. However, it appears that not all forms of AP are equally effective for providing analgesia. In particular, electro-AP seems to best deliver stimuli that activate powerful opioid and nonopioid analgesic mechanisms. Thus, future carefully controlled clinical trials using adequate electro-AP may be able to provide the necessary evidence for relevant analgesia in chronic pain conditions, such as headache, fibromyalgia, irritable bowel syndrome and low back pain.
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PMID:Mechanisms of acupuncture analgesia for clinical and experimental pain. 1673 14

Two cases of unintentional paracetamol overdose are presented. Over a one month period these patients presented to an Accident and Emergency (A&E) department with symptoms of paracetamol toxicity, following the ingestion of large quantities of analgesia for the self treatment of dental pain. In one case the patient had no access to a dentist. Both patients required admission under the care of the medical on-call team and required anti-toxicity treatment to prevent permanent liver injury. Subsequent referrals were made to the oral and maxillofacial surgery team who provided emergency dental treatment and advice on further dental care. This paper highlights the significant signs and symptoms of paracetamol overdose about which dental practitioners should be aware. It also describes the management principles required to prevent potentially life threatening liver damage. Discussion is also made of the potential impact on patients struggling to cope with pulpal pain without access to a general dental practitioner.
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PMID:Paracetamol overdose as a result of dental pain requiring medical treatment - two case reports. 1763 82

*A new formulation of the nonselective NSAID diclofenac sodium suitable for intravenous bolus injection has been developed using hydroxypropyl beta-cyclodextrin as a solubility enhancer (HPbetaCD diclofenac). * HPbetaCD diclofenac intravenous bolus injection was shown to be bioequivalent to the existing parenteral formulation of diclofenac containing propylene glycol and benzyl alcohol as solubilizers (PG-BA diclofenac), which is relatively insoluble and requires slow intravenous infusion over 30 minutes. * Single-dose HPbetaCD diclofenac 3.75, 9.4, 18.75, 25, 37.5, 50 and 75 mg administered by intravenous bolus injection produced significantly greater responses than placebo for total pain relief (TOTPAR) over 6 hours or pain intensity at 4 hours in the treatment of moderate or severe postoperative dental pain in randomized, double-blind trials. HPbetaCD diclofenac 37.5 and 75 mg were similar in efficacy to intravenous bolus ketorolac 30 mg. * In a well controlled trial, single-dose HPbetaCD diclofenac 75 mg intravenous bolus injection was shown to be superior to PG-BA diclofenac 75 mg intravenous infusion with respect to TOTPAR over 4 hours, indicating faster onset of analgesia in the treatment of moderate or severe postoperative dental pain. Both HPbetaCD diclofenac and PG-BA diclofenac were superior to placebo. * HPbetaCD diclofenac was generally well tolerated during single-dose treatment of postoperative pain. The tolerability profile was similar to that of PG-BA diclofenac, but with a lower incidence of thrombophlebitis.
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PMID:Diclofenac sodium injection (Dyloject): in postoperative pain. 1808 76

Acupuncture (AP) is effective for the treatment of postoperative and chemotherapy-induced nausea/vomiting and for postoperative dental pain. Several recent randomized trials have provided strong evidence for beneficial AP effects on chronic low-back pain and pain from knee osteoarthritis. For many other chronic pain conditions, including headaches, neck pain, and fibromyalgia, the evidence supporting AP's efficacy is less convincing. AP's effects on experimental pain appear to be mediated by analgesic brain mechanisms through the release of neurohumoral factors, some of which can be inhibited by the opioid antagonist naloxone. In contrast to placebo analgesia, AP-related pain relief takes considerable time to develop and to resolve. Thus, some of the long-term effects of AP analgesia cannot be explained by placebo mechanisms. Furthermore, it appears that some forms of AP are more effective for providing analgesia than others. Particularly, electro-AP seems best to activate powerful opioid and non-opioid analgesic mechanisms.
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PMID:Mechanisms of acupuncture analgesia: effective therapy for musculoskeletal pain? 1817 1

LI.4 is a major acupoint but the method of locating it has not been standardized. In fact, description of method for locating this acupoint often varies in the classic and traditional texts. It might signify this point may be varied from one to another person. Our comparative study of locating and subsequent acupuncturing these locations revealed some interesting features of LI.4 from our collected clinical data in that location 1 had a better therapeutic effect for toothache relief and analgesia-anesthesia effect than for headache relief, location 2 was better for headache than toothache relief; locations 3 and 4 had a mixed effect whereas, location 5 seems to have a better chance to get bioenergy (De Qi) as manifested by tingling and numbing sensation at the acupunctured site. Our study also suggested that LI.4 location was about the size of 4 millimeters in diameter instead of a pin-point location, though needle inserted at correct point produced a better result.
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PMID:Comparing the clinical effect of five varying locations of LI.4 acupoint. 1930 24

This article reviews dental and medical literature pertaining to the safety, efficacy, and mechanisms of action of common analgesic treatments for acute postoperative pain. MEDLINE searches were conducted for 2005 through 2009 using the terms "dental analgesia," "postoperative pain," "pain medication," "pathophysiology," "treatment," and "dentistry." Reports selected for further review included those published in peer-reviewed journals. The authors gave preference to articles reporting randomized controlled trials. Acetaminophen and NSAIDs continue to be the most appropriate choices for the treatment of mild to moderate acute dental pain. The use of selective cyclo-oxygenase (COX)-2 inhibitor NSAIDs may be considered for patients at risk of gastrointestinal sequelae or those taking blood thinners such as warfarin. Whether analgesic medications are used alone or in combination, prescribers must be aware of the potential safety concerns associated with them, especially in light of new information promoting lower doses, shorter treatment durations, and decreased maximum recommended doses.
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PMID:Appropriate analgesic prescribing for the general dentist. 2059 73


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