Anesthesiology clinics of North America
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Anesthesiol Clin North America · Jun 2000
ReviewThe role of epidural anesthesia and analgesia in postoperative outcome.
There is increasing evidence to support the hypothesis that epidural anesthesia and analgesia (EAA) can improve surgical outcome by reducing postoperative morbidity and hastening recovery. Likely benefits include decreased incidence of cardiac complications in high-risk patients; lower incidence of pulmonary complications, specifically pneumonia, atelectasis, and hypoxemia in patients at risk for pulmonary complications; lower incidence of vascular graft occlusion after lower extremity revascularization; lower incidence of DVT and pulmonary embolus; suppression of the neuroendocrine stress response; and earlier return of gastrointestinal function. Nonetheless, large multicenter prospective randomized studies are required to more definitively assess the impact of EAA on morbidity and mortality, ICU time, length of hospitalization, and cost of healthcare.
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The use of regional anesthetic techniques in infants and children has become increasingly accepted as standard care. The most commonly performed regional anesthetic techniques used in pediatric patients are the caudal and lumbar approaches to the epidural space, ilioinguinal/iliohypogastric, and penile nerve blockade. These and other techniques are reviewed, along with specific issues such as risks, benefits, drug dosage, and local anesthetic toxicity. The safety of regional anesthetic techniques in pediatric patients is addressed, with recommendations for prevention and treatment of complications.
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Lower extremity nerve blocks have not become as popular as upper extremity blocks for anesthesia; however, the use of lower extremity nerve blocks will become more widespread, as teaching programs are now providing more regional anesthesia experiences for their trainees so that the anesthesia provider will have the familiarity to use these blocks. To increase the enthusiasm among our surgical colleagues, we must begin to use these blocks for surgery, and if the block must be supplemented with local anesthetic or a light general anesthetic, we must educate them that the block is not a failure but a success, as it will provide analgesia after surgery in a method of multimodal pain control. ⋯ Because the block may be placed in an induction room, there is no induction or emergence in the operating room. Patients may be discharged without the need for pain medications, thus lowering the incidence of nausea postoperatively and decreasing PACU and discharge times.
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Anesthesiol Clin North America · Jun 2000
ReviewNew developments in epidural anesthesia and analgesia.
Several recent advances in epidural anesthesia and analgesia have been reviewed. Perhaps the most exciting area of anticipated future developments relates to the continued development of novel analgesic agents and new epidural delivery systems. There appears to be some movement toward an increased use of intrathecal or peripheral neural blockade techniques for some clinical situations where epidural anesthesia and analgesia have been previously used; however, the ability to provide anesthesia and analgesia to relatively large areas of the body with a single injection or continuous catheter technique without the associated risks of dural puncture and intrathecal catheter placement will continue to assure epidural anesthesia and analgesia techniques a prominent role in anesthesia and pain management.
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The practice of administration of labor analgesia has undergone dramatic changes this decade. This is largely attributable to unparalleled interest in the field by many dedicated and capable investigators around the world. Through their efforts, this decade has witnessed the introduction of new techniques (pencil point needles, CSE, PCEA, ultradilute epidural regimens) that have permitted us to come closer than ever to realizing the goal of complete relief from the pain and suffering of labor while safeguarding the well-being of mother and child and minimizing effects on the labor process. Neuraxial anesthetic techniques and modern multimodal analgesic approaches to postoperative pain relief now minimize the effects of cesarean delivery on maternal satisfaction and participation in the birth process.