Articles: postoperative-pain.
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Randomized Controlled Trial Clinical Trial
The role of epidural morphine in the postcesarean patient: efficacy and effects on bonding.
This study was designed to determine in postcesarean patients whether in addition to superior analgesic effects, epidural morphine administration results in secondary benefits in maternal well-being and maternal-infant interaction. Following elective cesarean section with bupivacaine epidural anesthesia, 40 healthy mothers received 5 mg preservative-free morphine sulfate in 10 ml of saline, either by the epidural (Group 1, n = 20) or the intravenous (Group 2, n = 20) route, in a randomized, double-blind fashion. Each received a simultaneous injection of saline by the alternate route. ⋯ Itching occurred in 58% of Group 1 patients and only 16% of Group 2 patients (P less than 0.01); the incidences of nausea, vomiting, and urinary retention were not statistically different between the groups. No respiratory depression was observed. Benefits of epidural morphine in this patient population appear limited to the provision of improved analgesia and earlier mobility.
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This paper discusses the aetiology, incidence and severity of post-operative pain including factors that influence post-operative pain. Current concepts and the need for effective control of post-operative pain are discussed. A review of the various methods available for post-operative pain management is presented with special reference to practice in a developing country.
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Continuous intercostal nerve blockade was used to provide analgesia after cholecystectomy. The blockade was maintained by the insertion of a single extradural catheter into an appropriate intercostal space and by "topping-up" with local anaesthetic on demand. ⋯ A mean improvement of 37% on pre- "top-up" peak flows, was found. It is suggested that continuous intercostal analgesia is a a safe, reliable and powerful form of analgesia which may improve respiratory function after cholecystectomy.
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Postgraduate medicine · Jun 1983
Comparative StudyNarcotics for acute postoperative pain. Is intramuscular administration passé?
Intramuscular (IM) injection of narcotic has been the mainstay of postoperative analgesia. However, problems inherent in IM administration--pulmonary dysfunction and inadequate pain control due to variable peak levels of drug concentration and variable absorption rate--have resulted in continuing efforts to find a more desirable method of administration. Intravenous (IV) infusion on a continuous or self-administered intermittent basis controls pain more effectively than IM injection. ⋯ Some investigators are studying injection of narcotic into the epidural or subarachnoid space of the spine as a means of providing postoperative analgesia. This method provides an unusually intense, prolonged, and segmental analgesic action, as well as greater improvement in respiratory dynamics than with IV infusion. Although the advantages of the IV and spinal methods seem to outweigh the disadvantages, further research is needed before they can be recommended as alternatives to the standard IM method used to control postoperative pain.
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Randomized Controlled Trial Comparative Study Clinical Trial
Single injection spinal anaesthesia with amethocaine and morphine for transurethral prostatectomy.
The intrathecal administration of amethocaine plus morphine as an anaesthetic technique for providing surgical anaesthesia and postoperative analgesia was evaluated in 24 patients undergoing transurethral resection of the prostate. The efficacy of the technique was compared with that observed following spinal anaesthesia with amethocaine alone. ⋯ In group II the addition of morphine 1 mg to the amethocaine produced excellent surgical anaesthesia and postoperative analgesia and these patients had significantly less postoperative pain than the patients who received amethocaine alone. There was a high frequency of side-effects associated with intrathecal morphine in group II, for example, subtle respiratory depression, nausea, vomiting and pruritus.