Minerva anestesiologica
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The techniques of continuous peripheral blockades have shown to be efficient in postoperative pain control, in the various orthopaedic procedures of the limbs. The aim of this study is to evaluate the existing data about the use of a continuous blockade of the lumbar plexus or femoral nerve, together with the indications for technique and therapy. ⋯ The use of continuous blockades of the lumbar plexus or femoral nerve shows to be an important and effective instrument not only in terms of positive effects on postoperative pain control, but also in terms of relevant advantages concerning final outcome after surgery. Nevertheless these techniques should not be considered as the only approach to postoperative pain in the orthopaedic patient, but have to be included in a global, multidisciplinary and multimodal approach.
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Over the past few years, increasing emphasis has been placed on the need to improve the management of acute pain. Despite a growing trend in acute pain management, many difficulties are still present for the treatment of postoperative pain. Loco-regional techniques together with an effective pain management should accelerate rehabilitation, decrease risk of postoperative complications and speed return to normal activities. ⋯ Rofecoxib showed a reduction of morphine consuming after spinal fusion and has been admitted by FDA for the treatment of post operative pain. Newer methods of pain relief, as patient controlled analgesia (PCA), can provide excellent and safe pain relief. When high-tech options such as PCA are used, patients need a management by an anesthesiologist-based acute pain service (APS), allowing a better pain relief with less side effects compared to patients supervised by less experienced medical staff.
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Bupivacaine has been the most widely used local anaesthetic for years. Recent studies point out levobupivacaine, an S(-) isomer of the racemic bupivacaine. This review shows the properties of levobupivacaine describing the animal and human volunteers studies on toxicity and the first clinical studies in obstetrics, general surgery and paediatrics. ⋯ Potency is equal for levo- and bupivacaine according to MLAC in labour analgesia. Studies in paediatrics confirm effective analgesia but show less intensity of motor block. The reduced toxicity of levobupivacaine gives wider safety margin in the daily clinical practice both for single shot and for continuous infusion, intraoperatively during various surgical procedures and for the postoperative pain control and analgesia in labour.
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Minerva anestesiologica · Sep 2001
Review[Complications related to epidural catheter in caesarean delivery].
A review of complications related to epidural catheters in caesarean delivery is presented. Catheters for prolongation of nerve blocks were first used in 1940s. Thereafter, there has been steady development in the design and plastic material technology of the different catheters. ⋯ Broken parts of the catheters should be left as a rule within the spinal space. Test dose should be always done for continuous epidural anaesthesia. Early diagnosis and prompt appropriate treatment will usually lead to complete resolution of the neurological deficit even in cases of epidural haematoma or abscess.
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Caudal block is the single most popular regional anesthetic technique used in infants and children. A review of the literature concerning complications related to this technique reveals that it is safe and it has a low failure rate. Probably the incidence of complications of caudal block is 7/10.000, the lowest of all the central blocks. ⋯ Caudal morphine has been used successfully for postoperative analgesia in children of all ages, including neonates after open-heart surgery. Possible complications of this technique are: local anesthetics overdose, vascular penetration and intravascular injection of local anesthetics, dural puncture and total spinal anaesthesia, intraosseous injection, infections, meningitis, respiratory depression (when morphine is used). Authors analyze all these complications and the safety rules for their prevention.