Der Schmerz
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In this randomized study, the efficacy of i.v. patient-controlled analgesia (PCA) was determined for the opioid piritramide (a pure mu-receptor agonist) and the antipyretic analgesic metamizole (Dipyrone) in three groups of patients following abdominal surgery. The doses of piritramide were 1.5 mg (40 patients) and 3 mg (40 patients) on demand. In addition, we studied the effect of 71 mg metamizole in combination with on-demand boluses of 1.5 mg piritramide in 40 patients. ⋯ The intensity of typical side effects of opioids and antipyretic analgesics (nausea, vomiting, lowering of respiratory frequency, sweating) was low and always easily controlled. The acceptance by patients, nurses, and physicians of PCA was high. PCA with on-demand intravenous injection of the combination of piritramide and metamizole improved the degree of analgesia and concomitantly reduced the opioid dose.
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Opioids are given for acute intra- and postope-rative pain relief or for chronic cancer pain. In the literature there are only rare and contradictory reports on the oral administration of opioids for chronic non-malignant pain. However, there is no reason to withhold strong analgesics for patients with severe pain. ⋯ Side effects are controlled by additional medication. The principle of opioid administration is prophylaxis of pain -therefore, they should be given "by the clock". Opioids are not only indicated in malignant illness, but also according to severity of pain and by the failure of other measures to control pain.
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The relationship of patients' pain with emotions and irrational attitudes were reported. The subjects were 128 patients with rheumatoid arthritis (RA). The assessment instruments were the Situation-Reaction Questionnaire (SRQ) and the Irrational Attitudes Questionnaire (IAQ). ⋯ On the other hand, when medical variables and irrational attitudes were controlled, emotions showed no common variation to pain. According to our results, cognitive concepts seem to be more powerful for explaining pain experience and pain behavior than affective constructions. Implications for the study and the practice of psychological pain treatment are discussed.