Revista española de anestesiología y reanimación
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Rev Esp Anestesiol Reanim · Mar 2011
Review[Sub-tenon block for ocular globe anesthesia: a review].
Sub-Tenon anesthesia is an effective, well-tolerated technique for surgery in the anterior or posterior compartments of the eye. The advantages of this block are comparable to those of peribulbar and retrobulbar anesthesia and complications are minimal. Sub-Tenon anesthesia provides better analgesia than akinesia. Most studies suggest that sub-Tenon anesthesia is a good technique to choose, given that potential adverse effects are fewer than for other regional blocks and analgesia and akinesia are superior.
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Rev Esp Anestesiol Reanim · Dec 2010
Review[Hypotensive resuscitation of the polytrauma patient with hemorrhagic shock].
Hemorrhagic shock is a significant cause of death in hospital practice, yet the management of this event in the period prior to definitive surgical hemostasis has changed little in 40 years. Currently, the standard treatment of resuscitation by means of fluid therapy to re-establish normal pressure and volume is based on animal models from the 1950s and 1960s; these studies will be reviewed in this article. ⋯ Finally, we review clinical trials of hypotensive resuscitation in hemorrhagic shock as well as studies indirectly related to this management approach. We conclude that hypotensive resuscitation is a promising treatment for use in cases of hemorrhagic shock that occur either in or out of hospital; however, we believe that more trials should be done before it can be considered a standard treatment.
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Physiologic balance between fluids and electrolytes should remain stable during the perioperative period. Gaps in our understanding of how this balance is maintained has given rise to inappropriate management practices. ⋯ There is currently renewed interest in studying the best use of fluids and/or blood products during and after surgery. This update of perioperative fluid therapy is based on a review of indexed literature retrieved by means of a PubMed search for the period of January 1999 through December 2009.
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Rev Esp Anestesiol Reanim · Oct 2010
Review Practice Guideline[Postoperative nausea and vomiting and opioid-induced nausea and vomiting: guidelines for prevention and treatment].
Postoperative nausea and vomiting (PONV) causes patient discomfort, lowers patient satisfaction, and increases care requirements. Opioid-induced nausea and vomiting (OINV) may also occur if opioids are used to treat postoperative pain. ⋯ The group undertook the critical appraisal of articles relevant to the management of PONV and OINV in adults and children early and late in the perioperative period. Discussions led to recommendations, summarized as follows: 1) Risk for PONV should be assessed in all patients undergoing surgery; 2 easy-to-use scales are useful for risk assessment: the Apfel scale for adults and the Eberhart scale for children. 2) Measures to reduce baseline risk should be used for adults at moderate or high risk and all children. 3) Pharmacologic prophylaxis with 1 drug is useful for patients at low risk (Apfel or Eberhart 1) who are to receive general anesthesia; patients with higher levels of risk should receive prophylaxis with 2 or more drugs and baseline risk should be reduced (multimodal approach). 4) Dexamethasone, droperidol, and ondansetron (or other setrons) have similar levels of efficacy; drug choice should be made based on individual patient factors. 5) The drug prescribed for treating PONV should preferably be different from the one used for prophylaxis; ondansetron is the most effective drug for treating PONV. 6) Risk for PONV should be assessed before discharge after outpatient surgery or on the ward for hospitalized patients; there is no evidence that late preventive strategies are effective. 7) The drug of choice for preventing OINV is droperidol.