Articles: analgesia.
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Anaesthesiol Reanim · Jan 1995
Review Comparative Study[Treatment of postoperative pain with peridural administration of opioids].
The advantages and disadvantages associated with epidural opioids require careful selection of the opioid and its dose regimen. There is no ideal opioid available for epidural use. Comparative pharmacokinetic data help selection of the appropriate epidural opioid. ⋯ Nalbuphine and butorphanol should not be selected for epidural use until the benefit/risk ratio is defined. The safety of patients is paramount. If patients are harmed by inappropriate opioids or dose regimens, this will unjustly discredit a valuable treatment of postoperative pain.
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Cahiers d'anesthésiologie · Jan 1995
Comparative Study[Postoperative analgesia after ligamentoplasty of the knee. Comparison of epidural morphine and intravenous nalbuphine].
Surgery of the anterior cruciate ligament causes severe postoperative pain. This study aimed to compare efficacy and side effects of two postoperative analgesia methods, during 24 hours. Twenty healthy patients were assigned to two groups (n = 10): the patients of the first group were given by an epidural catheter 3 mg of morphine hydrochloride, every twelve hours. ⋯ The incidence of respiratory depression, nausea, pruritus was not statistically different between the groups, but 7/10 patients in the first group suffered of urinary retention (the first micturition was obtained 10.5 hours after the end of surgery in the first group and 5.3 h in the second one). Two patients needed an uretral catheter. These results might tend to show a greater efficactly of epidural morphine, with a higher incidence of urinary side effects.
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According to the World Health Organisation, a country's morphine consumption is an important indicator of progress in cancer pain relief. Due to its very high opioid consumption, Denmark is often pointed out as a country worthy of imitation. The aim of the present study was to analyse Danish opioid consumption in order to elucidate the usage pattern and to identify the consumers. ⋯ The consumption of long acting opioids (sustained release morphine, methadone, buprenorphine) and short acting opioids (others) increased by 1427% and 105%, respectively. Analysis of a sample of 1854 prescriptions for opioids revealed that less than 10% of the prescriptions were issued for cancer pain conditions. It is concluded: that if other countries consider Denmark as worthy of imitation in opioid treatment for cancer pain, attention should be paid to the pattern of the Danish opioid consumption, which is outstanding with respect to quantity but the quality may be questionable.
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Patient-controlled analgesia (PCA) is a newer technique for pain management. Patients are allowed to self-administer small analgesic bolus doses, which have been preprogrammed by the physician, into a running intravenous infusion, intramuscularly, subcutaneously or even into the epidural space. Patients' demands are mostly controlled by computer-driven infusion pumps, but can also be delivered by simple disposable devices. ⋯ It is suggested that PCA results should be used for the improvement of conventional techniques. PCA has also been found valuable for scientific pain studies, e.g. to determine predictors of postoperative pain, drug interactions and pharmacokinetic experiments. This review concentrates on intravenous PCA during the early postoperative period.