Articles: postoperative-pain.
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Transcutaneous electrical nerve stimulation (TENS) was evaluated as a postoperative analgesic. Patients undergoing lumbar spine operations, hip surgery, and gynecological laparotomies were studied. ⋯ Results from 46 experimental patients demonstrated that TENS could reduce the demand for postoperative narcotics in a group of patients who had not used narcotic analgesics before operation. No significant benefit was observed for patients who had used narcotics prior to operation.
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Comparative Study Clinical Trial
A double-blind comparison of parenteral dipyrone and pethidine in the treatment of post-operative pain.
A double-blind trial was carried out in 100 patients with moderate to severe post-operative pain to compare the analgesic effectiveness over a 6-hour period of single intramuscular injections of 2.5 g dipyrone and 100 mg pethidine. Maximum pain relief was seen 2 hours after drug administration in both groups and there was no statistically significant difference in responses. No side-effects were reported.
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Comparative Study
[Lysine acetylsalicylate in the treatment of postoperative pain].
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Randomized Controlled Trial Comparative Study Clinical Trial
Comparison of lysine acetylsalicylate and oxycodone in postoperative pain following upper abdominal surgery.
Intravenous lysine acetylsalicylate (LAS) and oxycodone were compared under double-blind conditions for analgesia after upper abdominal surgery in sixty patients anaesthetized by N2O--O2--halothane--relaxant technique. Either 125 mg/10 kg or 250 mg/10 kg LAS or 0.4 mg/10 kg or 0.8 mg/10 kg oxycodone was randomly administered when the patients complained of moderate or severe postoperative pain. When 30 min had elapsed following the injection of the test drug, oxycodone was given in 4 mg increments on demand until adequate pain relief was achieved. ⋯ However, LAS had a slower onset of action. Sweating seemed to occur more frequently after LAS than oxycodone, but significant changes in respiratory rate or sedation following LAS-oxycodone combinations when compared to oxycodone alone were not noted. The results show that for analgesia after upper abdominal surgery, 1.8 g of LAS may be substituted for about 6 mg of oxycodone.
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Randomized Controlled Trial Clinical Trial
Postoperative thoracotomy. Effect of transcutaneous electrical nerve stimulation on forced vital capacity.
The purpose of this study was to measure the effects of transcutaneous electrical nerve stimulation on patients who had undergone thoracotomies, using the objective physiological measurement of forced vital capacity. Twenty-one patients were randomly assigned to an experimental group (n = 11) or a control group (n = 10). ⋯ In addition, the experimental group was given a 10-minute treatment of transcutaneous electrical nerve stimulation at the sites of greatest pain. The data indicated a statistically significant increase in forced vital capacity during the stimulation (p less than .01), suggesting that transcutaneous electrical nerve stimulation during application improves chest expansion and mobility in patients who have had thoracotomies.