Articles: treatment.
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The present overview will try to summarize the most important recent studies performed on spinal analgesia for labor pain treatment and spinal anesthesia for Cesarean section. ⋯ The new local anesthetics have established their position in obstetric regional anesthesia, but it remains difficult to demonstrate a superior outcome as compared with bupivacaine. The same is true for combined spinal-epidural and ambulation. Phenylephrine seems to have become the vasopressor of choice in the treatment of hypotension following spinal anesthesia. A more appropriate treatment of hypotension combined with a low-dose technique may enhance the safety of spinal anesthesia in preeclamptic patients or cases of severe cardiac disease.
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Curr Opin Anaesthesiol · Oct 2003
Peripheral nerve blocks for anaesthesia and postoperative analgesia.
Perioperative analgesia is a major concern for the patient and for the anesthesiologist, whose task is to avoid pain and all related complications on immediate outcome and healing. Regional anesthesia, alone or combined with general anesthesia, is becoming a preferred technique in a variety of surgical procedures. There is increasing interest in peripheral nerve blocks, single or continuous, mainly for perioperative treatment of unilateral surgery. Specificity of analgesic area combined with decreased complications, including spinal or epidural hematoma, urinary retention, or hemodynamic alterations, are advantages of the peripheral nerve block over more central neural blocks. ⋯ Possibilities afforded by the use of peripheral nerve blocks mainly consist of prolonged analgesia, selective area of action, and fewer collateral effects when compared with general anesthesia or more central neural blockade. Introduction of new devices and new techniques are increasing, as evidenced by the large number of studies which have appeared in the literature during the past year.
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There has been a growing interest in elucidating the immune consequences of opioid administration for the management of pain. Several studies in vitro and in vivo have demonstrated an immunomodulating effect of opioids. The neuro-endocrine interactions observed after opioid application contribute to this effect as well as direct alterations of immune effector cells. Opioid-induced immunomodulation is mediated by opioid receptors found on immunocytes and in the central nervous system. This review will elucidate the molecular mechanisms of central and peripheral immunomodulation by opioids with special emphasis on the clinical significance of these findings. ⋯ Although immunomodulating effects of opioids are well established, a final statement regarding the clinical relevance cannot be made, since the existing clinical and experimental data are preliminary and inconclusive. Therefore, further clinical studies are mandatory to elucidate the influence of opioid treatment on immune regulation in different clinical settings. Further investigations may help to provide sufficient analgesia by application of opioids, as well as assessing the advantages and disadvantages on immune function.
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The lifetime prevalence of spinal pain has been reported as 65% to 80% in the neck and low back. In the US each year, 500,000 - 1,000,000 spine surgeries and 2 to 5 million interventional procedures are estimated to be performed. The burden created by chronic pain is enormous on the patient and society. ⋯ The optimal course of care requires an integrated delivery system involving a variety of specialists. Due to the complexities of diagnosis and management, patients are best managed utilizing a multidisciplinary approach under an umbrella of services offered by a spinal diagnostic and interdisciplinary pain center. This review identifies various pain syndromes and conditions and provides a model for the establishment of an interdisciplinary pain center as well as the resources, guidelines, and infrastructure required for operating a successful pain center in any setting; free-standing, hospital-based, or academic.
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To determine the long-term efficacy of IDET in the treatment of chronic lumbar discogenic pain. ⋯ IDET appears to be an effective treatment for chronic lumbar discogenic pain in a well-selected group of patients with favorable long-term outcome.