Der Schmerz
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In the last few years great interest has developed in new modes of opioid administration; oral transmucosal, transdermal, peripheral, and nasal administration. Oral transmucosal administration of fentanyl citrate (OTFC) has most often been used for premedication in children. Meanwhile, studies on the use of OTFC in cancer patients for postoperative pain management have also been published. ⋯ Nonetheless, intranasal opioids guarantee a rapid rise in opioid plasma concentrations as well as a rapid onset of pain relief. This mode of administration seems to be especially suitable for the treatment of acute pain syndromes, such as breakthrough cancer pain or incident pain. Patient acceptance is high, and no local problems were reported.
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In a double-blind, randomized, placebo-controlled study, 86 patients (44 verum, 42 placebo), scheduled for knee-joint arthrotomies or minor orthopaedic operations received either naproxen, a nonsteroidal antiinflammatory analgesic, or placebo orally in three doses: the first immediately before the operation and the others 6 h and 12 h after the first. The verum group received 1250 mg naproxen in total. Postoperative pain intensity was measured by the category splitting procedure. ⋯ The intensity of typical side effects of opioids and antipyretic anti-inflammatory analgesics (nausea, vomiting, stomachache, headache, vertigo) was low and they were easily controlled in all cases. Lowering of respiratory frequency was not observed. Perioperative administration of the nonsteroidal anti-inflammatory analgesic naproxen results in better pain relief and significantly lower opioid requirements (by about 46%) after minor orthopaedic surgery.
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Despite regular administration of analgesics, a high percentage of patients with chronic malignant pain experience break-through cancer pain or incident pain. Such pain peaks in patients with chronic malignant pain require "rescue" medication in addition to basic analgesia with for example slow-release morphine or buprenorphine. For rescue medication a fast acting and powerful analgesic should be available to the patient. Recent studies have shown that intranasal fentanyl provides rapid onset of pain relief. ⋯ The patients received 2, 4, 6, 7 or 8 fentanyl boluses (totalling 0.054 mg, 0.108 mg, 0.162 mg, 0.189 mg or 0.216 mg, respectively). Rapid onset and marked reduction of pain intensity was achieved in all five patients. There were no clinically relevant changes in arterial haemoglobin oxygen saturation, heart rate, arterial blood pressure or respiratory rate. All five patients scored the pain relief obtained as good or very good. There were no reports of pain or burning sensations in the nose or other side-effects.
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The reflex sympathetic dystrophy (RSD) syndrome usually shows a distally generalized distribution pattern of symptoms. Here we report a case with a distally localized form of RSD. ⋯ In contrast to the common clinical picture of RSD, with a distally generalized distribution of symptoms, the present case showed a so-called localized form of RSD, its triad affecting only the thumb with the lesion. Typically, the pain showed an orthostatic component and was suppressed by the ischemia test. The sympathetic block was immediately successful, proving the occurrence of this form of RSD for the first time. In similar clinical cases, this form of RSD should be considered as a differential diagnosis.
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The severe pain of a renal colic is an emergency and requires a fast and sufficient analgesic therapy with few side-effects. The release of the ureteral obstruction is secondary to this initial treatment. Inhibition of prostaglandin synthesis directly interferes with the mechanism of renal colic pain. ⋯ They should be administered intravenously if possible. Narcotic agents and their derivatives are the second choice. Spasmolytic agents are unnecessary in the treatment of renal colic.